1 - 6 of 6 articles
Seven species of caddisfly are described from small Andean streams in Ecuador: Atopsyche janethae sp.n., A. cajas sp.n., A chirimachaya sp.n., and A. catherinae sp.n. in the Rhyacophilidae; Mortoniella quinuas sp.n. in the Glossosomatidae; Oxyethira matadero sp.n. and Ochrotrichia (Metrichia)...
The male and female imagines of Protanypus pseudomorio Makarchenko are described from material collected in Alaska. The male is readily distinguished by characters of the hypopygium. The female is identified from other known Protanypus by the absence of tarsal sensilla chaetica.
A new species of Simulium Latreille s.l., belonging to the subgenus Obuchovia Rubtsov and characterized by a pupal cocoon of unique shape and texture, is described from the Iberian peninsula. The new species, S. (O.) ibericum, is assigned to the S. (O.) auricoma group and compared to other...
Ochthebius (Enicocerus) legionensis sp.n. is described and illustrated. It is known from 18 localities in the Cantabrian mountains in the north west of Spain. Notes about the ecology and the distribution are provided.
Descriptions are given of all three larval instars of Bidessus grossepunctatus Vorbringer, 1907, Graptodytes granularis (Linnaeus, 1767) and G. pictus (Fabricius, 1787). These species are among the smallest dytiscids and the larvae were reared from eggs deposited in aquaria. Additional larvae of...
The composition of the stonefly fauna, the growth phases of all the species and the food composition of the predatory species (Fam. Perlodidae) were studies in a lake outlet biotope at Valdresflya in the Jotunheimen mountains, in central southern Norway. The biotope, in a region with a subarctic...
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