“Aquatic Caterpillars, Snout Moths”
“Alderflies, Dobsonflies, and Fishflies”
“Dragonflies and Damselflies”
“Spiny Crawler Mayflies”
No genus-level description defined.
Southeast: 2.1 and higher
Upper Midwest: 2 and higher
Midwest: 1.3 and higher
Mid-Atlantic: 2 and higher
Collector / Gatherer
Widespread (east of the Rocky Mtns.)
Single Tarsal Claw
Usually 3 Tails
Segment 2 Without Gills
+ Expanded Character List
Order: Wings developing in wing pads. Mouthparts suitable for chewing. Gills present on tops and sides of abdomen. Segmented legs present. One tarsal claw per leg. Usually with 3 tails (sometimes 2).
Family: Gills on abdominal segment 1 rudimentary or absent. Abdominal segment 2 without gills. Gills on abdominal segments 3 (if present) and 4–7 have two layers: a top layer that is oval and plate-like and a bottom layer that is multi-lobed; in preserved specimens these gills lying in paired dorsal depressions and camouflaged, not readily seen by novices. Abdominal terga often with paired tubercles. Mature larvae 5–15 mm long, not including tails.
Genus: Not defined.
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