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Issue: Vol. 4790 No. 3: 12 Jun. 2020
Type: Article
Published: 2020-06-12
DOI: 10.11646/zootaxa.4790.3.4
Page range: 491–504
Abstract views: 193
PDF downloaded: 2

A new Drusinae species from the western Alps with comments on the subfamily and an updated key to filtering carnivore larvae of Drusinae species (Insecta: Trichoptera: Limnephilidae)

WasserCluster Lunz, Dr. Carl Kupelwieser Promenade 5, A-3293 Lunz am See, Austria BOKU, University of Natural Resource, Institute of Hydrobiology and Aquatic Ecosystem Management, Vienna, Gregor-Mendelstrasse 33, A-1180 Vienna, Austria 3Department of Limnology and Bio-Oceanography, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
BOKU, University of Natural Resource, Institute of Hydrobiology and Aquatic Ecosystem Management, Vienna, Gregor-Mendelstrasse 33, A-1180 Vienna, Austria
WasserCluster Lunz, Dr. Carl Kupelwieser Promenade 5, A-3293 Lunz am See, Austria Department of Limnology and Bio-Oceanography, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
Department of Limnology and Bio-Oceanography, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
VetCore Facility for Research, Imaging Unit, University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria
Institute of Fluid Mechanics and Heat Transfer, TU Wien, Tower BA/E322, Getreidemarkt 9, A-1060 Vienna, Austria
Institute of Fluid Mechanics and Heat Transfer, TU Wien, Tower BA/E322, Getreidemarkt 9, A-1060 Vienna, Austria
Büro H2 Ökologische Gutachten, Hess + Heckes GbR, Rumfordstr. 42, 80469 München, Germany
Büro H2 Ökologische Gutachten, Hess + Heckes GbR, Rumfordstr. 42, 80469 München, Germany
Senckenberg Research Institute and Natural History Museum Frankfurt a. M., Senckenberganlage 25, 60325 Frankfurt am Main, Germany
Senckenberg Research Institute and Natural History Museum Frankfurt a. M., Senckenberganlage 25, 60325 Frankfurt am Main, Germany Institute of Insect Biotechnology, Justus-Liebig-University Gießen, Heinrich-Buff-Ring 26, Heinrich-Buff-Ring 26, 35392 Gießen, Germany
Department of Limnology and Bio-Oceanography, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
Trichoptera 5th instar larvae description distribution caddisfly

Abstract

A new Drusinae species, Drusus katagelastos sp. nov., of the Drusus chapmani Species Complex, is described based on a male and associated larvae. Adult-larval association was achieved through DNA barcoding. The male of the new species differs from that of its congeners in the formation of the intermediate appendages and parameres. Information on the morphology of the larva is given, and important diagnostic features are discussed. In the context of filtering carnivore Drusinae, the larva of the new species can be separated from other filtering carnivore species by the dense cover of long translucent bristles within the frontal cavity surrounded by a circular corona of long bristles. Drusus katagelastos sp. nov. is known from only northwestern Italy (Piemonte).

 

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