Generic-level diagnoses are provided for adult males, females, and larvae of the longhorned
caddisfly genus Nectopsyche Miiller (Trichoptera:Leptoceridae). In addition, seven new Costa
Rican species in the gemma species group are described and illustrated: N. exophthalma n. sp., N. monticola n. sp., N. onyx n. sp., N. ortizi n. sp., (also known from Argentina, Brazil, Guyana, Mexico, Panama, Peru, Surinam, and Venezuela), N. tapanti n. sp., N. tuanis n. sp., and N. utleyorum n. sp. The new species are compared with two previously described gemma group species also known from Costa Rica, N. argentata Flint and N. gemmoides Flint, and these, too, are diagnosed and illustrated.
Holzenthal, R. (1995). The Caddisfly Genus Nectopsyche: New Gemma Group Species from Costa Rica and the Neotropics (Trichoptera:Leptoceridae). Journal of the North American Benthological Society, 14(1), 61-83.
Holzenthal, Ralph W..
The caddisfly genus Nectopsyche: new gemma group species from Costa Rica and the Neotropics (Trichoptera:Leptoceridae).
University of Chicago Press.
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