The 'Symphyta'is a paraphyletic assemblage at the base of the order Hymenoptera,
comprising 14 families and about 8750 species. All have phytophagous larvae, except for …

While working on an identification guide to the sawflies of Fennoscandia, we encountered
numerous taxonomic problems, for some of which we present solutions. Dicrostema Benson …

Hymenoptera is one of the largest insect orders, with a world fauna of 155.5 thousand
species in 8423 genera from 94 extant families, a Palaearctic fauna of 50–60 thousand …

Considering taxonomic diversity, extant xyelid sawflies represent a very small subset of the
past diversity of the group. A complementary approach to investigate evolutionary changes …

Wing venation pattern is particularly important in the taxonomy and classification of insects,
especially for fossil material. There are recognized transformation series that apparently …

The suborder Symphyta comprises more than 8,000 described species worldwide, of which
about 4,400 extant species are recorded from the Eastern Palaearctic. Symphyta can be …

Paleoxyela nearctica gen. et sp. nov., is described from the upper Eocene of Florissant
Formation in Colorado. We placed Paleoxyela gen. nov. in the subfamily Macroxyelinae and …

Abstract Megaxyela Ashmead, 1898 comprises 13 species, four of which are described as
new and one is removed from synonymy: Megaxyela euchroma Blank, Shinohara & Wei sp …

A new genus and two new species of Xyelidae Newman, 1834 (Hymenoptera Linnaeus,
1758), Platyxyela tenuis sp. nov. and Scleroxyela daohugouensis gen. et sp. nov. are …

Thirty-nine species of sawfly (Symphyta) are recorded for the first time in Bulgaria. Most of
these were collected during early spring of 2018, in the south-east of the country (Burgas …