Family - Rhyacophilidae

Taxonomic Hierarchy for Freshwater Invertebrate Collection


Results

4 results for "Rhyacophilidae"

Himalopsyche sp.

Freshwater Invertebrate Collection

Rhyacophila angelita

Freshwater Invertebrate Collection

SeasonalityAdults can be found approximately late May to late June. IdentificationAdult antennae are yellow with the vertex of the head brownish yellow. Spurs are yellow-brown. In males, the dorsum of segment 9 is about 5 times the length of the sternum. Distal article of the clasper has an upper, basal rounded process directed dorsad (Nimmo, 1971).

Rhyacophila rickeri

Freshwater Invertebrate Collection

SeasonalityAdults have been collected in October. IdentificationAdult antennae are brown and the vertex of the head is anteriorly dark brown and lighter posteriorly. Spurs are yellow-brown. The dorso-posterior edge of segment 9 in males is produced posterad into a thumb-like process. Segment 10 is evident as a pair of rounded lobes (Nimmo, 1971).

Rhyacophila sp.

Freshwater Invertebrate Collection

Taxonomic Hierarchy for Freshwater Invertebrate Collection