title: New species of Claustropyga Hippa, Vilkamaa & Mohrig (Diptera, Sciaridae) from the Holarctic region.
abstract: The following four new species are described: Claustropyga clavulata sp. n. (Canada), C. lobigera sp. n. (Finland), C. modica sp. n. (Finland) and C. stupenda sp. n. (Canada, Russia). A fifth, probably new species is briefly discussed. Claustropyga stupenda has spectacular morphological characters in its hypopygium. There are now 23 species in Claustropyga.
authors.affiliation: Heikki Hippa, Zoological Museum, Department of Biology, FI-20014 University of Turku, Finland.; Email: heikki.hippa@gmail.com.
authors.forename: Heikki
authors.initials: H
authors.lastname: Hippa
authors.affiliation: Pekka Vilkamaa, Finnish Museum of Natural History, Zoology Unit, P.O. Box 17, FI-00014 University of Helsinki, Finland.; Email: pekka.vilkamaa@helsinki.fi.
authors.forename: Pekka
authors.initials: P
authors.lastname: Vilkamaa
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D001110:Arctic Regions; D049628:Body Size; D002170:Canada; D004175:Diptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D005387:Finland; D008297:Male; D009929:Organ Size; D012426:Russia