Ohio Dobsonflies | Insects | Megaloptera

Overview Of Ohio Dobsonflies
Dobsonflies are large aquatic insects known for their impressive wingspan and intimidating mandibles especially in males Their larvae called hellgrammites live under rocks in fast moving streams and are important predators in aquatic ecosystems.

Verified Species Examples
Eastern Dobsonfly Corydalus Cornutus

Finding And Observing Dobsonflies
Dobsonflies can be observed near rivers during summer nights when adults are attracted to lights Hellgrammites can be found under submerged stones in clean flowing water.

Authoritative Reference Sources
Ohio Environmental Protection Agency Biological Monitoring | Bugguide Iowa State University | Integrated Taxonomic Information System Itis | Peterson Field Guide To Aquatic Insects

Other Ohio Insects

Ohio Alderflies | Ohio Ants | Ohio Assassin Bugs | Ohio Backswimmers | Ohio Bees | Ohio Beetles | Ohio Butterflies | Ohio Camel Crickets | Ohio Carrion Beetles | Ohio Caddisflies | Ohio Centipedes | Ohio Cicadas | Ohio Click Beetles | Ohio Crickets | Ohio Damselflies | Ohio Deer Flies | Ohio Dobsonflies | Ohio Dragonflies | Ohio Fireflies | Ohio Fishflies | Ohio Flea Beetles | Ohio Fungus Gnats | Ohio Giant Silk Moths | Ohio Ground Beetles | Ohio Harvestmen | Ohio Hellgrammites | Ohio Horse Flies | Ohio Hoverflies | Ohio Katydids | Ohio Leafhoppers | Ohio Longhorn Beetles | Ohio Mayflies | Ohio Midges | Ohio Millipedes | Ohio Mole Crickets | Ohio Mosquitoes | Ohio Moths | Ohio Pillbugs | Ohio Planthoppers | Ohio Rove Beetles | Ohio Scarab Beetles | Ohio Skippers | Ohio Soldier Beetles | Ohio Spiders | Ohio Springtails | Ohio Stick Insects | Ohio Stoneflies | Ohio Stink Bugs | Ohio Tiger Beetles | Ohio Tiger Moths | Ohio Treehoppers | Ohio Underwing Moths | Ohio Velvet Ants | Ohio Water Boatmen | Ohio Water Scorpions | Ohio Water Striders | Ohio Weevils | Ohio Whirligig Beetles | Ohio Wolf Spiders | Ohio Yellowjackets