Aquatic Insect

Caddisfly larva (case-making)

Trichoptera (larva stage)

Drain Fly Larva (Psychodidae)

Psychoda spp. (larva)

Midge

Chironomidae

Crane Fly

Tipula species (or other genera within Tipulidae)

Flat-headed Mayfly Nymph (top right), Aquatic Sowbug (middle), Caddisfly Larva (bottom)

Heptagenia (top right), Asellus aquaticus (middle), Trichoptera (bottom)

It is difficult to determine the exact common name due to the condition of the specimen, but it appears to be a heavily ...

Unidentifiable due to the condition of the specimen.

No-see-um

Family Ceratopogonidae

Non-biting Midge

Chironomidae (family)

Horsehair Worm

Gordius robustus (and other Chordodidae/Gordiidae species)

Horsehair worm

Gordius aquaticus (example species, identification to species level from image is difficult)

Caddisfly

Various species within the order Trichoptera (e.g., Limnephilus spp., Hydropsyche spp.)

Case-bearing insect larva (potentially Caddisfly larva or Case-bearing Clothes Moth larva)

Difficult to determine precisely from the image. Could be from various genera within Trichoptera (caddisflies) or Tineol...

Dragonfly

Anisoptera (Suborder)

Stonefly

Plecoptera (Order level)

Horsehair worm

Phylum Nematomorpha

Backswimmer (or possibly a Water Boatman due to blur)

Notonecta spp. (Family Notonectidae)

Water Bug (likely a species of Lesser Water Boatman)

Corixidae (Family)

Drain Fly Larva

Psychodidae family (typically Psychoda spp.)

Fungus Gnat

Various genera and species, e.g., Bradysia spp. (Sciaridae), Mycetophila spp. (Mycetophilidae)

Drain fly larva

Psychodidae (family level)

Giant Water Bug (Toe-Biter)

Lethocerus americanus

Dragonfly

Odonata (Anisoptera)

Drain Fly Larvae

Psychodidae (larvae)

Mosquito larva (Wriggler)

Family Culicidae (larval stage)

Drain Fly Larva (sometimes improperly called Moth Fly Larva)

Clogmia albipunctata (most common urban species)

Drain Fly Larva

Psychodidae (family)

Caddisfly Larva

Trichoptera (larva)

Horsehair Worm (also known as Gordian Worm)

Gordius species (Phylum Nematomorpha)

Crane Fly

Tipulidae

Crane Fly

Tipulidae (various genera and species)

Dragonfly

Infraorder Anisoptera

Gnat (likely Biting Midge or Sand Fly)

Varies significantly by species (e.g., Ceratopogonidae for biting midges, Psychodidae for sand flies)

Drain Fly Larva (also known as Moth Fly Larva or Sewer Gnat Larva)

Psychoda spp. / Clogmia albipunctata

Dragonfly (General Identification)

Anisoptera (Suborder)

Non-biting Midge (Chironomid)

Chironomidae (family)

Dragonfly

Various (an order, not a single species)

Horsehair Worm (also known as Gordian Worm)

Gordius sp. (part of the Phylum Nematomorpha)

Crayfish (possibly a Red Swamp Crayfish)

Procambarus clarkii

Drain Fly Larva

Psychoda spp. (often Clogmia albipunctata)

Freshwater Hydra

Hydra sp. (likely Hydra vulgaris or similar)

Crane Fly Larva (Leatherjacket)

Tipula species (Larva)

Flatworm

Platyhelminthes (class Turbellaria, order Tricladida for freshwater planarians)