Taxonomy of bradysia winnertz (Diptera, Sciaridae) in the Holarctic northern, with the description of four new species

Abstract

Four species of Bradysia Winnertz (Diptera, Sciaridae) from the Northern Holarctic are described and illustrated for the first time: Bradysia bigeminata sp. nov. (Finland, Canada), B. falciceps sp. nov. (Finland, Canada), B. oelandica sp. nov. (Sweden) and B. plusiospina sp. nov. (Finland). A few Bradysia species, described previously and now found in Northern Europe, are also redefined and illustrated.