Freshwater Life: BRYOZOA and INSECTA

BRYOZOA
Bryozoan anatomy
Bryozoan photo
statoblast

INSECTA
Ephemeroptera (mayflies):
Behningiidae (burrower) nymph
Baetidae (swimmer) nymph
Ephemeridae (burrower) nymph
Heptageniidae (clinger) nymph
Mayfly adult
Mayfly subimago
Post-emergent swarm of mayflies
Size of mayfly nymphs
Odonata (damselflies & dragonflies):
Damselfly life stages
Dragonfly life stages
Lower jaw (labium) of odonates
Plecoptera (stoneflies):
Perlidae life stages
Hemiptera (true bugs):
Corixidae (water boatman)
Hemiptera beak
Hemiptera life cycle
Megaloptera (dobsonflies):
Dobsonfly (adult)
Hellgrammite (larva)
Trichoptera (caddisflies):
Brachycentridae life stages
Caddisfly filter-feeding net
Helicopsychidae larva w/ case
Hydropsychidae life stages
Hydroptilidae larva w/ case
Limnephilidae larva w/ case
Macranema tube case
Phryganeidae larva w/ case
Polycentropodidae net-case
Rhyacophilidae (free-living) larva
Coleoptera (beetles):
Beetle life cycle
Diving beetle with plastron (portable air bubble)
Dytiscidae adult (predaceous diving beetle)
Dytiscidae larva
Elmidae adult (riffle beetle)
Gyrinidae adult (whirligig beetle) defense secretion
Miscellaneous aquatic beetles
Psephenidae larvae (water penny)
Diptera (true flies):
Culicidae (mosquito) life stages
Miscellaneous dipterans
Simuliidae (black fly) life stages
Simuliidae larvae in stream
Tipulidae (crane fly) life stages