title: A new feeding group within larval Drusinae (Trichoptera: Limnephilidae): thealpinus-group sensu Schmid, 1956, including larval descriptions ofDrusus franziSchmid, 1956 andDrusus alpinus(Meyer-Dür, 1875).
abstract: This paper presents a description of the hitherto unknown larvae ofDrusus franziSchmid 1956, andDrusus alpinus(Meyer-Dür 1875). Information on the morphological and genetic identification of both species is given, and the most important diagnostic features are illustrated. Their systematic position within the genusDrususis affirmed and zoogeographical and ecological notes are added.
authors.affiliation: Institute of Hydrobiology and Aquatic Ecology Management, University of Natural Resources and Applied Life Sciences, Max Emanuelstraße 17, 1180 Vienna, Austria.
authors.forename: W
authors.initials: W
authors.lastname: Graf
authors.affiliation: Department of Freshwater Ecology, University of Vienna, Althanstraße 14, 1090 Vienna, Austria johann.waringer@univie.ac.at.
authors.forename: J
authors.initials: J
authors.lastname: Waringer
authors.affiliation: Department of Entomology, University of Minnesota, 219 Hodson Hall, 1980 Folwell Ave, Saint Paul, MN 55108, USA, pauls497@umn.edu.
authors.forename: S U
authors.initials: SU
authors.lastname: Pauls
keywords: distribution; ecology; identification; mitochondrial DNA