Abstract
A total of 12 gnat species are reported for the first time from Finland (3 Cecidomyiidae, 1 Keroplatidae, 8 Mycetophilidae), and the occurrence of Macrocera nigropicea Lundström in Finland is verified. All material was collected from the Finnish Lapland, mainly from the north boreal ecoregion. Two of the recorded species are likely to be pyrophilous, associated with forest fire sites. A photo of the ventral appendage of the gonocoxite of Brevicornu setigerum Zaitzev is provided for the first time. The male hypopygium of Mycetophila haruspica Plassmann is redescribed.
Highlights
With over 52000 species globally, nematocerans or lower Diptera are one of the most species-rich insect groups in the world (Pape et al 2009)
As in many other biotic groups, Fennoscandian or North European bibionomorphans are perhaps the best known on the globe, especially regarding fungus gnats
No less than 915 fungus gnat species are currently known from the Nordic countries and Russian parts of Fennoscandia (Karelia and Murmansk oblast), consisting of approximately 83 % of the total European fungus gnat fauna (Kjaerandsen 2015)
Summary
With over 52000 species globally, nematocerans or lower Diptera are one of the most species-rich insect groups in the world (Pape et al 2009). B. country: Finland; stateProvince: Lapponia kemensis pars orientalis; verbatimLocality: Sodankylä, Pomokaira, Poksaselkä E; verbatimLatitude: 67.858; verbatimLongitude: 26.259; verbatimCoordinateSystem: decimal degrees; verbatimSRS: WGS84; samplingProtocol: Malaise trap; eventDate: 2009-6-1/6-29; habitat: spring brook surrounded by old-growth spruce forest; individualCount: 1; sex: male; catalogNumber: DIPT-JS-2014-0317; recordedBy: J.
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