• Animals (Kingdom Animalia)
    • Mollusks (Phylum Mollusca)
      • Gastropods (Class Gastropoda)
        • Heterobranchs (Subclass Heterobranchia)
          • Infraclass Euthyneura
            • Subterclass Tectipleura
              • Superorder Hygrophila
                • Pond Snails, Bladder Snails, and Allies (Superfamily Lymnaeoidea)
                  • Bladder Snails (Family Physidae)
                    • Subfamily Physinae
                      • Genus Physella
                        • Acute Bladder Snail (Physella acuta)
                  • Ramshorn Snails (Family Planorbidae)
                    • Subfamily Planorbinae
                      • Tribe Helisomatini
                        • Genus Planorbella
                          • Marsh Ramshorn (Planorbella trivolvis)
      • Bivalves (Class Bivalvia)
        • Subclass Autobranchia
          • Infraclass Heteroconchia
            • Freshwater Mussels and Brooch Clams (Subterclass Palaeoheterodonta)
              • Freshwater Mussels (Order Unionida)
                • Superfamily Unionoidea
                  • River Mussels (Family Unionidae)
                    • Subfamily Ambleminae
                      • Tribe Amblemini
                        • Genus Plectomerus
                          • Bankclimber (Plectomerus dombeyanus)
                        • Genus Amblema
                          • Three-ridge Mussel (Amblema plicata)
                      • Tribe Lampsilini
                        • Genus Obliquaria
                          • Three-horn Wartyback (Obliquaria reflexa)
                        • Genus Truncilla
                          • Deertoe Mussel (Truncilla truncata)
                        • Genus Cyrtonaias
                          • Tampico Pearly Mussel (Cyrtonaias tampicoensis)
                        • Genus Sagittunio
                          • Pondmussel (Sagittunio subrostratus)
                        • Lampmussels (Genus Lampsilis)
                          • Louisiana Fatmucket (Lampsilis hydiana)
                          • Yellow Sandshell (Lampsilis teres)
                        • Genus Potamilus
                          • Texas Heelsplitter (Potamilus amphichaenus)
                          • Fragile Papershell (Potamilus fragilis)
                          • Pink Papershell (Potamilus ohiensis)
                          • Bleufer (Potamilus purpuratus)
                        • Genus Toxolasma
                          • Lilliput (Toxolasma parvum)
                          • Texas Lilliput (Toxolasma texasiense)
                      • Tribe Pleurobemini
                        • Genus Fusconaia
                          • Wabash Pigtoe (Fusconaia flava)
                          • Trinity Pigtoe (Fusconaia chunii)
                      • Tribe Quadrulini
                        • Genus Uniomerus
                          • Pondhorn (Uniomerus tetralasmus)
                          • Tapered Pondhorn (Uniomerus declivis)
                        • Genus Megalonaias
                          • Washboard (Megalonaias nervosa)
                        • Pimplebacks (Genus Pustulosa)
                          • Pimpleback (Pustulosa pustulosa)
                        • Genus Quadrula
                          • Mapleleaf (Quadrula quadrula)
                    • Subfamily Unioninae
                      • Tribe Anodontini
                        • Genus Utterbackia
                          • Paper Pondshell (Utterbackia imbecillis)
                        • Genus Utterbackiana
                          • Flat Floater (Utterbackiana suborbiculata)
                        • Genus Arcidens
                          • Rock-Pocketbook (Arcidens confragosus)
                        • Floater Mussels (Genus Pyganodon)
                          • Giant Floater (Pyganodon grandis)
            • Subterclass Euheterodonta
              • Superorder Imparidentia
                • Order Venerida
                  • Superfamily Cyrenoidea
                    • Basket Clams (Family Cyrenidae)
                      • Genus Corbicula
                        • Asian Clam (Corbicula fluminea)
                • Order Myida
                  • Superfamily Dreissenoidea
                    • Family Dreissenidae
                      • Subfamily Dreisseninae
                        • Dreissena Mussels (Genus Dreissena)
                          • Zebra Mussel (Dreissena polymorpha)
                • Order Sphaeriida
                  • Superfamily Sphaerioidea
                    • Pea Clams (Family Sphaeriidae)
                      • Subfamily Sphaeriinae
                        • Genus Musculium
                          • Pond Fingernailclam (Musculium securis)
                          • Lake Fingernailclam (Musculium lacustre)
                          • Swamp Fingernailclam (Musculium partumeium)
    • Arthropods (Phylum Arthropoda)
    • Crustaceans (Subphylum Crustacea)
      • Typical Crustaceans (Superclass Multicrustacea)
        • Barnacles and Copepods (Class Hexanauplia)
          • Copepods (Subclass Copepoda)
            • Infraclass Neocopepoda
              • Superorder Gymnoplea
                • Calanoid Copepods (Order Calanoida)
                  • Family Diaptomidae
              • Superorder Podoplea
                • Cyclopoid Copepods (Order Cyclopoida)
                  • Suborder Cyclopida
                    • Anchorworms (Family Lernaeidae)
                      • Family Cyclopidae
                        • Genus Eucyclops
                        • Genus Microcyclops
                        • Genus Cyclops
                        • Genus Acanthocyclops
                • Harpacticoid Copepods (Order Harpacticoida)
        • Malacostracans (Class Malacostraca)
          • Decapods, Isopods, and Allies (Subclass Eumalacostraca)
            • Decapods and Krill (Superorder Eucarida)
              • Decapods (Order Decapoda)
                • Crabs, Lobsters, Shrimps, and Allies (Suborder Pleocyemata)
                  • Crayfishes and Lobsters (Infraorder Astacidea)
                    • Northern Hemisphere Crayfishes (Superfamily Astacoidea)
                      • Cambarid Crayfishes (Family Cambaridae)
                        • Genus Procambarus
                          • White River Crayfish (Procambarus acutus)
                          • Parkhill Prairie Crayfish (Procambarus steigmani)
                          • Complex Procambarus simulans
                            • Red River Burrowing Crayfish (Procambarus curdi)
                            • Southern Plains Crayfish (Procambarus simulans)
                          • Red Swamp Crayfish (Procambarus clarkii)
                        • Genus Faxonius
                          • Water Nymph Crayfish (Faxonius nais)
                          • Gray-speckled Crayfish (Faxonius palmeri)
                          • Virile Crayfish (Faxonius virilis)
                        • Genus Lacunicambarus
                          • Painted Devil Crayfish (Lacunicambarus ludovicianus)
                  • Caridean Shrimps (Infraorder Caridea)
                    • Superfamily Palaemonoidea
                      • Palaemonid Shrimps (Family Palaemonidae)
                        • Glass Shrimps (Genus Palaemon)
                          • Eastern Grass Shrimp (Palaemon paludosus)
                          • Mississippi Grass Shrimp (Palaemon kadiakensis)
                  • Spiny and Slipper Lobsters (Infraorder Achelata)
            • Amphipods, Isopods, and Allies (Superorder Peracarida)
              • Amphipods (Order Amphipoda)
                • Suborder Senticaudata
                  • Infraorder Talitrida
                    • Parvorder Talitridira
                      • Terrestrial Amphipods (Superfamily Talitroidea)
                        • Epifamily Protorchestoidae
                          • Family Arcitalitridae
                            • Lawn Shrimps (Genus Arcitalitrus)
                              • Arcitalitrus sylvaticus
                      • Superfamily Hyaloidea
                        • Family Hyalellidae
                          • Genus Hyalella
                            • Complex Hyalella azteca
                  • Infraorder Gammarida
                    • Parvorder Crangonyctidira
                      • Superfamily Crangonyctoidea
                        • Family Crangonyctidae
                          • Genus Sicifera
                            • Sicifera bifurca
                          • Genus Crangonyx
                            • Complex Crangonyx floridanus
                              • Northern River Crangonyctid (Crangonyx pseudogracilis)
              • Isopods (Order Isopoda)
                • Asellotes (Suborder Asellota)
                  • Waterslaters and Allies (Superfamily Aselloidea)
                    • Freshwater Isopods (Family Asellidae)
                      • American Waterslaters (Genus Caecidotea)
                • Predaceous and Parasitic Isopods (Suborder Cymothoida)
                  • Wormpods (Superfamily Anthuroidea)
      • Oligostracans (Superclass Oligostraca)
        • Branchiurans and Tongue Worms (Class Ichthyostraca)
          • Branchiurans (Subclass Branchiura)
            • Fish Lice (Order Arguloida)
              • Superfamily Arguloidea
                • Fish Lice (Family Argulidae)
                  • Fish Lice (Genus Argulus)
        • Ostracods (Class Ostracoda)
          • Subclass Podocopa
            • Order Podocopida
              • Suborder Cypridocopina
                • Cypridoids (Superfamily Cypridoidea)
                  • Cypridids (Family Cyprididae)
                    • Genus Chlamydotheca
                      • Genus Cypridopsis
                        • Cypridopsis vidua
      • Branchiopods (Class Branchiopoda)
        • Tadpole Shrimps, Clam Shrimps and Water Fleas (Subclass Phyllopoda)
          • Tadpole Shrimps (Superorder Calmanostraca)
            • Tadpole Shrimps (Order Notostraca)
              • Tadpole Shrimps (Family Triopsidae)
                • Triops (Genus Triops)
          • Clam Shrimps and Water Fleas (Superorder Diplostraca)
            • Order Spinicaudata
              • Family Limnadiidae
                • Genus Eulimnadia
              • Family Cyzicidae
                • Genus Cyzicus
            • Anomopods (Order Anomopoda)
              • Family Chydoridae
                • Genus Chydorus
                  • Genus Picripleuroxus
                    • Picripleuroxus denticulatus
                • Genus Alona
          • Branchiopods (Class Branchiopoda)
            • Tadpole Shrimps, Clam Shrimps and Water Fleas (Subclass Phyllopoda)
              • Clam Shrimps and Water Fleas (Superorder Diplostraca)
                • Anomopods (Order Anomopoda)
                  • Family Daphniidae
                    • Genus Ceriodaphnia
                      • Genus Simocephalus
                        • Simocephalus exspinosus
                    • Genus Scapholeberis
                      • Water-Fleas (Genus Daphnia)
                        • Daphnia lumholtzi
                        • Common Water Flea (Daphnia pulex)
                • Order Ctenopoda
                  • Family Sididae
            • Fairy Shrimps (Subclass Sarsostraca)
              • Fairy Shrimps (Order Anostraca)
                • Suborder Anostracina
                  • Family Streptocephalidae
                    • Rams-horn Fairy Shrimps (Genus Streptocephalus)
      • Segmented Worms (Phylum Annelida)
        • Clitellates (Class Clitellata)
          • Leeches (Subclass Hirudinea)
            • True Leeches (Infraclass Euhirudinea)
              • Proboscisless Leeches (Order Arhynchobdellida)
                • Family Erpobdellidae
                  • Genus Erpobdella
              • Jawless Leeches (Order Rhynchobdellida)
                • Freshwater Jawless Leeches (Family Glossiphoniidae)
                  • Genus Helobdella
                    • Genus Placobdella
                      • Smooth Turtle Leech (Placobdella parasitica)
                      • Placobdella multilineata
      • Hexapods (Subphylum Hexapoda)
        • Insects (Class Insecta)
          • Winged and Once-winged Insects (Subclass Pterygota)
            • Beetles (Order Coleoptera)
              • Ground and Water Beetles (Suborder Adephaga)
                • Whirligig Beetles (Family Gyrinidae)
                  • Subfamily Gyrininae
                    • Tribe Dineutini
                      • Genus Dineutus
                        • Dineutus carolinus
                    • Tribe Gyrinini
                      • Genus Gyrinus
                    • Tribe Orectochilini
                      • Genus Gyretes
                • Crawling Water Beetles (Family Haliplidae)
                  • Genus Haliplus
                    • Subgenus Liaphlus
                    • Subgenus Paraliaphlus
                  • Genus Peltodytes
                    • Peltodytes sexmaculatus
                    • Peltodytes litoralis
                • Superfamily Dytiscoidea
                  • Predaceous Diving Beetles (Family Dytiscidae)
                    • Subfamily Dytiscinae
                      • Tribe Hydaticini
                        • Genus Hydaticus
                          • Subgenus Prodaticus
                            • Hydaticus bimarginatus
                      • Tribe Aciliini
                        • Genus Thermonectus
                          • Mottled Diving Beetle (Thermonectus nigrofasciatus)
                          • Thermonectus basillaris
                        • Small Flat Diving Beetles (Genus Acilius)
                          • Acilius fraternus
                    • Subfamily Agabinae
                      • Tribe Agabini
                        • Genus Platambus
                          • Platambus semivittatus
                        • Genus Agabus
                          • Disintegrated Diving Beetle (Agabus disintegratus)
            • Superfamily Dytiscoidea
              • Predaceous Diving Beetles (Family Dytiscidae)
                • Subfamily Hydroporinae
                  • Tribe Methlini
                    • Genus Celina
                      • Hubbell's Predaceous Diving Beetle (Celina hubbelli)
                  • Tribe Bidessini
                    • Genus Liodessus
                      • Genus Uvarus
                        • Uvarus lacustris
                      • Genus Neobidessus
                        • Neobidessus pullus
                  • Tribe Hydroporini
                    • Genus Hydroporus
                      • Genus Neoporus
                        • Neoporus dimidiatus
                      • Genus Heterosternuta
                        • Heterosternuta diversicornis
                  • Tribe Hyphydrini
                    • Genus Desmopachria
                      • Desmopachria dispersa
                  • Tribe Hygrotini
                    • Genus Hygrotus
                      • Subgenus Leptolambus
                        • Hygrotus nubilus
                • Subfamily Colymbetinae
                  • Tribe Colymbetini
                    • Genus Meridiorhantus
                      • Meridiorhantus calidus
                    • Genus Rhantus
                      • Rhantus gutticollis
                • Subfamily Copelatinae
                  • Tribe Copelatini
                    • Genus Copelatus
                      • Chevrolat's Dytiscid (Copelatus chevrolati)
                      • Copelatus glyphicus
                      • Copelatus debilis
                • Subfamily Cybistrinae
                  • Genus Cybister
                    • Subgenus Cybister
                      • Fringed Diving Beetle (Cybister fimbriolatus)
                • Subfamily Laccophilinae
                  • Tribe Laccophilini
                    • Genus Laccophilus
                      • Laccophilus proximus
                      • Laccophilus pictus
                      • Laccophilus fasciatus
                • Subfamily Coptotominae
                  • Genus Coptotomus
                    • Coptotomus longulus
                    • Coptotomus venustus
          • Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles (Suborder Polyphaga)
            • Elateriform Beetles (Infraorder Elateriformia)
              • Superfamily Scirtoidea
                • Marsh Beetles (Family Scirtidae)
                  • Genus Scirtes
                    • Red-sutured Marsh Beetle (Scirtes orbiculatus)
                    • Red-legged Marsh Beetle (Scirtes tibialis)
                  • Genus Sacodes
                    • Sacodes pulchella
                  • Genus Contacyphon
                    • Genus Ora
                      • Texas Flea Marsh Beetle (Ora texana)
                      • Ora discoidea
            • Staphyliniform Beetles (Infraorder Staphyliniformia)
              • Water Scavenger and Clown Beetles (Superfamily Hydrophiloidea)
                • Water Scavenger Beetles (Family Hydrophilidae)
                  • Subfamily Sphaeridiinae
                    • Tribe Megasternini
                      • Genus Cercyon
                        • Spot-headed Water Scavenger Beetle (Cercyon praetextatus)
                    • Tribe Coelostomatini
                      • Genus Phaenonotum
                  • Subfamily Hydrophilinae
                    • Tribe Berosini
                      • Genus Berosus
                        • Subgenus Enoplurus
                          • Berosus miles
                          • Berosus pugnax
                        • Subgenus Berosus
                          • Berosus pantherinus
                          • Berosus peregrinus
                          • Berosus exiguus
                    • Tribe Hydrophilini
                      • Genus Hydrochara
                        • Hydrochara spangleri
                      • Genus Tropisternus
                        • Lateral-lined Water Beetle (Tropisternus lateralis)
                        • Tropisternus collaris
                        • Tropisternus affinis
                        • Tropisternus blatchleyi
                      • Giant Water Scavenger Beetles (Genus Hydrophilus)
                        • Subgenus Hydrophilus
                          • Giant Water Scavenger Beetle (Hydrophilus triangularis)
                          • Hydrophilus insularis
                        • Subgenus Dibolocelus
                          • Hydrophilus ovatus
                    • Tribe Laccobiini
                      • Genus Laccobius
                      • Genus Paracymus
                  • Subfamily Chaetarthriinae
                    • Tribe Chaetarthriini
                      • Genus Chaetarthria
                  • Subfamily Acidocerinae
                    • Genus Helochares
                      • Helochares maculicollis
              • Staphyliniform Beetles (Infraorder Staphyliniformia)
                • Water Scavenger and Clown Beetles (Superfamily Hydrophiloidea)
                  • Water Scavenger Beetles (Family Hydrophilidae)
                    • Subfamily Enochrinae
                      • Genus Enochrus
                      • Genus Cymbiodyta
        • Stoneflies (Order Plecoptera)
          • Suborder Arctoperlaria
            • Infraorder Euholognatha
              • Rolled-winged, Forest, and Winter Stoneflies (Superfamily Nemouroidea)
                • Rolled-winged Stoneflies (Family Leuctridae)
            • Infraorder Systellognatha Filter list by this taxon
              • Superfamily Perloidea
                • Stripetail and Springfly Stoneflies (Family Perlodidae)
                  • Stripetail Stoneflies (Subfamily Isoperlinae)
                    • Genus Isoperla
                  • Springflies (Subfamily Perlodinae)
                    • Tribe Perlodini
                      • Genus Hydroperla
                        • Austin Springfly (Hydroperla fugitans)
                • Common Stoneflies (Family Perlidae)
                  • Subfamily Acroneuriinae
                    • Tribe Acroneuriini
                      • Genus Acroneuria
                    • Tribe Kiotinini
                      • Genus Perlesta
                  • Subfamily Perlinae
                    • Tribe Neoperlini
                      • Tropical Stoneflies (Genus Neoperla)
        • True Bugs, Hoppers, Aphids, and Allies (Order Hemiptera)
          • True Bugs (Suborder Heteroptera)
            • Water Bugs (Infraorder Nepomorpha)
              • Backswimmers (Superfamily Notonectoidea)
                • Typical Backswimmers (Family Notonectidae)
                  • Subfamily Anisopinae
                    • Genus Buenoa
                  • Subfamily Notonectinae
                    • Tribe Notonectini
                      • Milky Backswimmers (Genus Notonecta)
                        • Subgenus Paranecta
                          • Subgenus Notonecta
                            • Notonecta irrorata
              • Superfamily Naucoroidea
                • Creeping Water Bugs (Family Naucoridae)
                  • Subfamily Ambrysinae
                    • Genus Ambrysus
                    • Alligator Fleas (Genus Pelocoris)
              • Superfamily Nepoidea
                • Waterscorpions (Family Nepidae)
                  • Subfamily Nepinae
                    • Genus Curicta
                      • Curicta scorpio
                  • Subfamily Ranatrinae
                    • Genus Ranatra
                      • Ranatra australis
                • Giant Water Bugs (Family Belostomatidae)
                  • Subfamily Lethocerinae
                    • Genus Benacus
                      • Eastern Toe-Biter (Benacus griseus)
                    • Genus Lethocerus
                      • Uhler's Giant Water Bug (Lethocerus uhleri)
                      • Lethocerus medius
                  • Subfamily Belostomatinae
                    • Tribe Belostomatini
                      • Genus Belostoma
                        • Belostoma lutarium
                        • Belostoma flumineum
              • Superfamily Corixoidea
                • Water Boatmen (Family Corixidae)
                  • Subfamily Corixinae
                    • Tribe Corixini
                      • Genus Trichocorixa
                        • Trichocorixa calva
                        • Trichocorixa verticalis
                      • Genus Corisella
                        • Corisella edulis
                      • Genus Hesperocorixa
                      • Genus Sigara
                        • Genus Ramphocorixa
                          • Acuminate Water Boatman (Ramphocorixa acuminata)
            • Semiaquatic Bugs (Infraorder Gerromorpha)
              • Water Striders and Ripple Bugs (Superfamily Gerroidea)
                • Ripple Bugs (Family Veliidae)
                  • Subfamily Microveliinae
                    • Genus Microvelia
                      • Subgenus Microvelia
                        • Microvelia pulchella
                  • Subfamily Rhagoveliinae
                    • Genus Rhagovelia
                      • Subgenus Rhagovelia
                        • Rhagovelia choreutes
                • Water Striders (Family Gerridae)
                  • Typical Water Striders (Subfamily Gerrinae)
                    • Tribe Gerrini
                      • Genus Limnoporus
                        • Limnoporus canaliculatus
                      • Genus Neogerris
                        • Neogerris hesione
                      • Genus Aquarius
                        • Complex Aquarius remigis
                          • North American Common Water Strider (Aquarius remigis)
                      • Genus Gerris
                        • Subgenus Gerris
                          • Gerris marginatus
                  • Subfamily Trepobatinae
                    • Tribe Trepobatini
                      • Genus Trepobates
                        • Trepobates subnitidus
        • Dragonflies and Damselflies (Order Odonata)
          • Dragonflies (Suborder Anisoptera)
            • Superfamily Libelluloidea
              • Skimmers (Family Libellulidae)
                • King Skimmers (Genus Libellula)
                  • Comanche Skimmer (Libellula comanche)
                  • Neon Skimmer (Libellula croceipennis)
                  • Slaty Skimmer (Libellula incesta)
                  • Painted Skimmer (Libellula semifasciata)
                  • Great Blue Skimmer (Libellula vibrans)
                  • Flame Skimmer (Libellula saturata)
                  • Widow Skimmer (Libellula luctuosa)
                  • Needham's Skimmer (Libellula needhami)
                  • Twelve-spotted Skimmer (Libellula pulchella)
                • Small Pennants (Genus Celithemis)
                  • Halloween Pennant (Celithemis eponina)
                  • Calico Pennant (Celithemis elisa)
                  • Banded Pennant (Celithemis fasciata)
                • Dragonlets (Genus Erythrodiplax)
                  • Band-winged Dragonlet (Erythrodiplax umbrata)
                • Meadowhawks (Genus Sympetrum) Filter list by this taxon
                  • Blue-faced Meadowhawk (Sympetrum ambiguum)
                  • Variegated Meadowhawk (Sympetrum corruptum)
                  • Autumn Meadowhawk (Sympetrum vicinum)
                • Rainpool Gliders (Genus Pantala)
                  • Wandering Glider (Pantala flavescens)
                  • Spot-winged Glider (Pantala hymenaea)
                • Saddlebag Gliders (Genus Tramea)
                  • Red Saddlebags (Tramea onusta)
                  • Striped Saddlebags (Tramea darwini)
                  • Black Saddlebags (Tramea lacerata)
                  • Carolina Saddlebags (Tramea carolina)
                • Pondhawks (Genus Erythemis)
                  • Great Pondhawk (Erythemis vesiculosa)
                  • Eastern Pondhawk (Erythemis simplicicollis)
                • Corporals (Genus Ladona)
                  • Blue Corporal (Ladona deplanata)
                • Genus Pachydiplax
                  • Blue Dasher (Pachydiplax longipennis)
                • Amberwings (Genus Perithemis)
                  • Eastern Amberwing (Perithemis tenera)
                • Tropical Pennants (Genus Brachymesia)
                  • Four-spotted Pennant (Brachymesia gravida)
                • Tropical King Skimmers (Genus Orthemis)
                  • Roseate Skimmer (Orthemis ferruginea)
                • Whitetails (Genus Plathemis)
                  • Common Whitetail (Plathemis lydia)
                • Clubskimmers (Genus Brechmorhoga)
                  • Pale-faced Clubskimmer (Brechmorhoga mendax)
                • Setwings (Genus Dythemis)
                  • Checkered Setwing (Dythemis fugax)
                  • Black Setwing (Dythemis nigrescens)
                  • Swift Setwing (Dythemis velox)
                • Speckled Dashers (Genus Micrathyria)
                  • Thornbush Dasher (Micrathyria hagenii)
              • Emerald Dragonflies (Family Corduliidae)
                • Baskettails (Genus Epitheca)
                  • Common Baskettail (Epitheca cynosura)
                  • Dot-winged Baskettail (Epitheca petechialis)
                  • Prince Baskettail (Epitheca princeps)
                  • Mantled Baskettail (Epitheca semiaquea)
                • Shadowdragons (Genus Neurocordulia)
                  • Smoky Shadowdragon (Neurocordulia molesta)
              • Cruisers (Family Macromiidae)
                • River Cruisers (Genus Macromia)
                  • Swift River Cruiser (Macromia illinoiensis)
                  • Royal River Cruiser (Macromia taeniolata)
                  • Stream Cruiser (Macromia transversa)
            • Superfamily Gomphoidea
              • Clubtails (Family Gomphidae)
                • Genus Gomphurus
                  • Cobra Clubtail (Gomphurus vastus)
                  • Plains Clubtail (Gomphurus externus)
                • Phanogomphus Clubtails (Genus Phanogomphus)
                  • Sulphur-tipped Clubtail (Phanogomphus militaris)
                • Pond Clubtails (Genus Arigomphus)
                  • Stillwater Clubtail (Arigomphus lentulus)
                  • Jade Clubtail (Arigomphus submedianus)
                • Spiny-legged Clubtails (Genus Dromogomphus)
                  • Black-shouldered Spinyleg (Dromogomphus spinosus)
                  • Flag-tailed Spinyleg (Dromogomphus spoliatus)
                • Ringtails (Genus Erpetogomphus)
                  • Eastern Ringtail (Erpetogomphus designatus)
                • Genus Hagenius
                  • Dragonhunter (Hagenius brevistylus)
                • Leaftails (Genus Phyllogomphoides)
                  • Four-striped Leaftail (Phyllogomphoides stigmatus)
                • Sanddragons (Genus Progomphus)
                  • Common Sanddragon (Progomphus obscurus)
                • Hanging Clubtails (Genus Stylurus)
                  • Russet-tipped Clubtail (Stylurus plagiatus)
            • Superfamily Aeshnoidea
              • Darners (Family Aeshnidae)
                • Green Darners (Genus Anax)
                  • Common Green Darner (Anax junius)
                  • Comet Darner (Anax longipes)
            • Superfamily Aeshnoidea
              • Darners (Family Aeshnidae)
                • Neotropical Darners (Genus Rhionaeschna)
                  • Blue-eyed Darner (Rhionaeschna multicolor)
                • Genus Basiaeschna
                  • Springtime Darner (Basiaeschna janata)
                • Pilot Darners (Genus Coryphaeschna)
                  • Regal Darner (Coryphaeschna ingens)
                • Genus Epiaeschna
                  • Swamp Darner (Epiaeschna heros)
                • Genus Nasiaeschna
                  • Cyrano Darner (Nasiaeschna pentacantha)
          • Damselflies (Suborder Zygoptera)
            • Superfamily Calopterygoidea
              • Broad-winged Damselflies (Family Calopterygidae)
                • Rubyspots (Genus Hetaerina)
                  • Smoky Rubyspot (Hetaerina titia)
                  • American Rubyspot (Hetaerina americana)
                • Jewelwings (Genus Calopteryx)
                  • Ebony Jewelwing (Calopteryx maculata)
            • Superfamily Lestoidea
              • Spreadwings and Allies (Family Lestidae)
                • Stream Spreadwings (Genus Archilestes)
                  • Great Spreadwing (Archilestes grandis)
                • Pond Spreadwings (Genus Lestes)
                  • Plateau Spreadwing (Lestes alacer)
                  • Southern Spreadwing (Lestes australis)
            • Coenagrionoid Damselflies (Superfamily Coenagrionoidea)
              • Narrow-winged Damselflies (Family Coenagrionidae)
                • Dancers (Genus Argia)
                  • Springwater Dancer (Argia funebris)
                  • Blue-fronted Dancer (Argia apicalis)
                  • Variable Dancer (Argia fumipennis)
                  • Kiowa Dancer (Argia immunda)
                  • Powdered Dancer (Argia moesta)
                  • Aztec Dancer (Argia nahuana)
                  • Blue-ringed Dancer (Argia sedula)
                  • Blue-tipped Dancer (Argia tibialis)
                  • Dusky Dancer (Argia translata)
                • Bluets (Genus Enallagma)
                  • Vesper Bluet (Enallagma vesperum)
                  • Azure Bluet (Enallagma aspersum)
                  • Double-striped Bluet (Enallagma basidens)
                  • Familiar Bluet (Enallagma civile)
                  • Turquoise Bluet (Enallagma divagans)
                  • Stream Bluet (Enallagma exsulans)
                  • Skimming Bluet (Enallagma geminatum)
                  • Orange Bluet (Enallagma signatum)
                  • Slender Bluet (Enallagma traviatum)
                • Forktails (Genus Ischnura)
                  • Citrine Forktail (Ischnura hastata)
                  • Fragile Forktail (Ischnura posita)
                  • Rambur's Forktail (Ischnura ramburii)
                • Firetails (Genus Telebasis)
                  • Desert Firetail (Telebasis salva)
        • Flies (Order Diptera)
          • Nematoceran Flies (Suborder Nematocera)
            • Mosquitoes and Midges (Infraorder Culicomorpha)
              • Superfamily Culicoidea
                • Mosquitoes (Family Culicidae)
                  • Culicine Mosquitoes (Subfamily Culicinae)
                    • Tribe Uranotaeniini
                      • Genus Uranotaenia
                        • Sapphire-striped Mosquito (Uranotaenia sapphirina)
                    • Tribe Culisetini
                      • Genus Culiseta
                        • Subgenus Culiseta
                          • Winter Marsh Mosquito (Culiseta inornata)
                    • Tribe Orthopodomyiini
                      • Genus Orthopodomyia
                        • Ornate Treehole Mosquito (Orthopodomyia signifera)
                    • Tribe Toxorhynchitini
                      • Elephant Mosquitoes (Genus Toxorhynchites)
                        • Subgenus Lynchiella
                          • Elephant Mosquito (Toxorhynchites rutilus)
                    • Tribe Aedini
                      • Genus Psorophora
                        • Subgenus Janthinosoma
                          • White-footed Woods Mosquito (Psorophora ferox)
                          • Psorophora cyanescens
                          • Psorophora longipalpus
                          • Psorophora horrida
                        • Subgenus Psorophora
                          • Gallinipper (Psorophora ciliata)
                          • Howard's Gallinipper (Psorophora howardii)
                        • Subgenus Grabhamia
                          • Complex Psorophora confinnis
                            • Dark Ricefield Mosquito (Psorophora columbiae)
                          • Pale Ricefield Mosquito (Psorophora discolor)
          • Nematoceran Flies (Suborder Nematocera)
            • Mosquitoes and Midges (Infraorder Culicomorpha)
              • Superfamily Culicoidea
                • Mosquitoes (Family Culicidae)
                  • Culicine Mosquitoes (Subfamily Culicinae)
                    • Tribe Aedini
                      • Genus Aedes
                        • Subgenus Ochlerotatus
                          • Silverback Mosquito (Aedes infirmatus)
                        • Subgenus Protomacleaya
                          • Aedes zoosophus
                          • Aedes hendersoni
                        • Subgenus Georgecraigius
                          • Aedes epactius
                        • Subgenus Stegomyia
                          • Yellow Fever Mosquito (Aedes aegypti)
                          • Asian Tiger Mosquito (Aedes albopictus)
                        • Subgenus Aedimorphus
                          • Inland Floodwater Mosquito (Aedes vexans)
                    • Tribe Culicini
                      • Genus Culex
                        • Subgenus Melanoconion
                          • Culex erraticus
                        • Subgenus Neoculex
                          • Northern Frog-biting Mosquito (Culex territans)
                        • Subgenus Culex
                          • House Mosquito Complex (Complex Culex pipiens)
                            • Southern House Mosquito (Culex quinquefasciatus)
                          • White-dotted Mosquito (Culex restuans)
                          • Western Encephalitis Mosquito (Culex tarsalis)
                    • Tribe Mansoniini
                      • Genus Coquillettidia
                        • Subgenus Coquillettidia
                          • Cattail Mosquito (Coquillettidia perturbans)
                  • Anopheline Mosquitoes (Subfamily Anophelinae)
                    • Genus Anopheles
                      • Subgenus Anopheles
                        • Complex Anopheles quadrimaculatus
                          • North American Malaria Mosquito (Anopheles quadrimaculatus)
                        • Woodland Malaria Mosquito (Anopheles punctipennis)
                        • Anopheles pseudopunctipennis
        • Alderflies, Dobsonflies, and Fishflies (Order Megaloptera)
          • Dobsonflies and Fishflies (Family Corydalidae)
            • Dobsonflies (Subfamily Corydalinae)
              • American Dobsonflies (Genus Corydalus)
                • Eastern Dobsonfly (Corydalus cornutus)
            • Fishflies (Subfamily Chauliodinae)
              • Spring and Summer Fishflies (Genus Chauliodes)
                • Spring Fishfly (Chauliodes rastricornis)
        • Mayflies (Order Ephemeroptera)
          • Suborder Furcatergalia
            • Infraorder Lanceolata
              • Prong-gilled Mayflies (Family Leptophlebiidae)
                • Genus Leptophlebia
            • Infraorder Pannota
              • Superfamily Caenoidea
                • Small Square-gilled Mayflies (Family Caenidae)
                  • Subfamily Caeninae
                    • Common Square-Gills (Genus Caenis)
                      • Caenis latipennis
                      • Caenis youngi
                      • Caenis horaria
            • Infraorder Scapphodonta
              • Superfamily Ephemeroidea
                • Burrowing Mayflies (Family Ephemeridae)
                  • Subfamily Hexageniinae
                    • Giant Mayflies (Genus Hexagenia)
                      • Emergent Mayfly (Hexagenia bilineata)
                      • Giant Mayfly (Hexagenia limbata)
                  • Genus Pentagenia
                    • Pentagenia vittigera
          • Suborder Pisciforma
            • Superfamily Heptagenioidea
              • Stream Mayflies (Family Heptageniidae)
                • Genus Nixe
                  • Genus Maccaffertium
                    • Maccaffertium terminatum
                  • Genus Leucrocuta
                    • Leucrocuta maculipennis
                  • Light Cahills (Genus Stenacron)
                    • Orange Cahill (Stenacron interpunctatum)
                  • Genus Stenonema
                    • Dark Cahill (Stenonema femoratum)
              • Brush-legged Mayflies (Family Isonychiidae)
                • Slate Drakes (Genus Isonychia)
                  • Mahogany Dun (Isonychia bicolor)
            • Family Ameletidae
              • Genus Ameletus
            • Small Mayflies (Family Baetidae)
              • Subfamily Cloeoninae
                • Double-gilled Pond Creepers (Genus Cloeon)
                  • Genus Procloeon
                    • Procloeon nelsoni
              • Subfamily Baetinae
                • Blue-winged Olives (Genus Baetis)
                  • Small Eastern Blue-winged Olive (Baetis intercalaris)
              • Speckled Duns (Genus Callibaetis)
                • Callibaetis californicus
                • Red Speckled Dun (Callibaetis ferrugineus)
                • Callibaetis montanus
                • Speckled Dun (Callibaetis pictus)
        • Caddisflies (Order Trichoptera)
          • Superfamily Hydroptiloidea
            • Microcaddisflies (Family Hydroptilidae)
              • Genus Orthotrichia
              • Genus Hydroptila
          • Suborder Spicipalpia
            • Superfamily Glossosomatoidea
              • Little Black Caddisflies (Family Glossosomatidae)
                • Subfamily Protoptilinae
            • Superfamily Rhyacophiloidea
              • Free-living Caddisflies (Family Rhyacophilidae)
          • Suborder Annulipalpia
            • Superfamily Hydropsychoidea
              • Tube Maker Caddisflies (Family Polycentropodidae)
                • Genus Cyrnellus
                  • Cyrnellus fraternus
              • Net-spinning Caddisflies (Family Hydropsychidae)
                • Subfamily Hydropsychinae
                  • Little Sister Sedges (Genus Cheumatopsyche)
                • Suborder Annulipalpia
                  • Superfamily Hydropsychoidea
                    • Net-spinning Caddisflies (Family Hydropsychidae)
                      • Subfamily Hydropsychinae
                        • Genus Potamyia
                          • Yellow Net-spinning Caddisfly (Potamyia flava)
                • Suborder Integripalpia
                  • Superfamily Sericostomatoidea
                    • Snail-case Caddisflies (Family Helicopsychidae)
                      • Spiral Caddisflies (Genus Helicopsyche)
                  • Superfamily Phryganeoidea
                    • Giant Casemaker Caddisflies (Family Phryganeidae)
                      • Genus Phryganea
                        • Say's Giant Caddisfly (Phryganea sayi)
                  • Superfamily Leptoceroidea
                    • Long-horned Caddisflies (Family Leptoceridae) Filter list by this taxon
                      • Tribe Triaenodini
                        • Genus Triaenodes
                          • Bordered Long-horned Caddisfly (Triaenodes marginatus)
                      • Tribe Athripsodini
                        • Genus Ceraclea
                      • Genus Oecetis
                        • Ashy Long-horned Caddisfly (Oecetis cinerascens)
                      • White Miller Caddisflies (Genus Nectopsyche)
                        • Radiant Long-horned Caddisfly (Nectopsyche candida)
                        • Nectopsyche pavida
                      • Genus Leptocerus
                        • American Long-horned Caddisfly (Leptocerus americanus)
                      • Genus Setodes