Étiquette : Alpes Suisses
-
Heleniella reginae sp. n., a new species occurring in the Mutt glacial stream, Swiss Alps (Diptera, Chironomidae, Orthocladiinae)
Male adult of Heleniella reginae sp. n. is described based on material collected by Malaise traps placed along the glacial stream of Mutt (Swiss Alps, upper Rhône basin). Distinctive specific characters include in particular: anal tergal bands absent; virga composed of two long rods, thick basally fused apically; sternapodeme lacking lateral horn-like projection; anal point…
-
Chaetocladius rottensis sp. n., a glacial alpine species from the upper basin of the Rhône River, Switzerland (Diptera, Chironomidae, Orthocladiinae)
The male adult of Chaetocladius rottensis sp. n. is described based on material collected between 1998 and 2018 in glacial alpine springs and streams delimited by the upper basin of the Rhône River (Mutt stream, Swiss Alps, alt. 1800-2100 m). The nearest known alpine species are: C. aedeagolobatus Rossaro, Magoga & Montagna, 2017 and C.…