“Aquatic Caterpillars, Snout Moths”
“Alderflies, Dobsonflies, and Fishflies”
“Dragonflies and Damselflies”
5 species in North America. Th larvae are stout, hairy and with an abdomen tapering at midpoint. Behind the eyes the margin of the head is rounded.
Upper Midwest: 3
Engulfer / Predator
Widespread (east of the Rocky Mtns.)
Abdomen with 5 Sharp Stiff Points or 3 Gills
Two Pairs of Wing Pads
5 Short Appendages on End of Abdomen
Dorsal Premental Setae
Margins of Labial Palps Toothed
Prementum and Palps Spoon-like
+ Expanded Character List
Order: Nymph with mask-like labium below chewing mouthparts. Wings developing in wing pads. Segmented legs present, each with two claws.
Family: The stout larva is without conspicuous terminal gills; the palpal lobes (apical projections at the end of the large, retractile labial prementum—“lower lip”) are triangular, much broader apically than basally and with large, irregular teeth.
Genus: Antennae 7 segmented, Labial palps with irregularly spaced teeth, prementum sppon-shaped