Boreal-fauna
Guides
Chloropinae
grass flies
Chloropinae is a subfamily of grass flies (family Chloropidae) containing approximately 76 genera and hundreds of species. Members are found across diverse landscapes from boreal regions to arid coastal environments. Larval biology varies considerably, with some species associated with grasses and sedges while others develop in decaying organic matter or as inquilines. The subfamily is taxonomically well-documented in northern Europe and Asia, with ongoing work clarifying species boundaries and distributions.
Nematinae
nematine sawflies
Nematinae is a large subfamily of sawflies (Hymenoptera: Tenthredinidae) comprising over 1,250 described species across approximately 40 genera. The subfamily exhibits a reversed latitudinal diversity gradient, with species richness peaking in boreal forest zones rather than tropical regions, likely associated with the abundance of willow (Salix) hosts. Nematinae display diverse feeding strategies including external leaf feeding, leaf mining, and gall induction, with larvae utilizing over 20 plant families.
Pronocera
Pronocera is a genus of long-horned beetles (Cerambycidae) established by Motschulsky in 1859. The genus contains three described species: Pronocera angusta, P. collaris, and P. sibirica. Pronocera angusta has been studied in detail for its morphology, phenology, and ecology in relation to Norway spruce forests. The genus belongs to the tribe Callidiini within the subfamily Cerambycinae.
Xestia smithii
Smith's Dart
Xestia smithii, commonly known as Smith's Dart, is a noctuid moth first described by Snellen in 1896. It is widely distributed across northern North America, from Newfoundland to Alaska, with disjunct populations in the eastern United States and western mountain ranges. The species inhabits boreal and montane forest environments.