“Aquatic Caterpillars, Snout Moths”
“Alderflies, Dobsonflies, and Fishflies”
“Dragonflies and Damselflies”
“Whirligig Beetle Larvae”
Head with a distinct collar posteriorly
Southeast: 5.5 and higher
Midwest: 3.7 and higher
Mid-Atlantic: 4 and higher
Engulfer / Predator
Lateral Gills USUALLY Absent
USUALLY 4-5-Segmented Legs
4 Posterior Hooks
5-Segmented Legs + Claws
+ Expanded Character List
Order: Larvae: Usually without lateral abdominal gills. If gills present, then 4 hooks clustered on segment 10. Thoracic legs each usually with 4 or 5 segments and with 1 or 2 claws; if without legs, head distinctly sclerotized and posterior body (thorax and abdomen) simple, without gills, hair brushes, suckers, or breathing tube. Eye spots usually present, but compound eyes absent.
Family: Legs 5-segmented plus 2 tarsal claws. Abdominal segments 1–9 with lateral gills. Abdominal segment 10 (posterior-most segment) with 4 stout hooks.
Genus: Not defined.
iNaturalist is an online social network and crowdsourced species identification platform