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order
Coleoptera
“Adult Beetles”
Coleoptera
“Larval Beetles”
Diptera
“True Flies”
Ephemeroptera
“Mayflies”
Hemiptera
“True Bugs”
Lepidoptera
“Aquatic Caterpillars, Snout Moths”
Megaloptera
“Alderflies, Dobsonflies, and Fishflies”
Odonata
“Dragonflies and Damselflies”
Plecoptera
“Stoneflies”
Trichoptera
“Caddisflies”
Coleoptera
family
Dryopidae
“Long-toed Water Beetles”
Dytiscidae
“Predacious Diving Beetles”
Elmidae
“Riffle Beetles”
Gyrinidae
“Whirligig Beetles”
Haliplidae
“Crawling Water Beetles”
Hydrophilidae
“Water Scavenger Beetles”
Dryopidae
“Long-toed Water Beetles”
genus
Helichus
genus
Helichus