Tyloceridius Malaise, 1945 and T. dorsatus (Mocsáry, 1883) are redescribed. Tyloceridius stictocephalus sp. n. from China and Nepal is described. Tyloceridius is recorded in China for the first time.

14 species of the Siobla formosana species-group are revised. Three new species: Siobla jiangi Niu & Wei, sp. nov., S. parallela Niu & Wei, sp. nov., S. weiweii Niu & Wei, sp. nov. are described. Siobla rufipes Malaise, 1945 is a new synonym of S. atra Malaise, 1945. The males formerly assigned to S. atra belong to S. semipicta Malaise, 1945. The previously unknown female of Siobla rufopropodea...

Morphological differences between the adults of overwintering and non-overwintering generations of the sawfly Pristiphora leucopus (Nematinae) are described and illustrated, as well as characters that distinguish P. leucopus from the closely similar P. armata. In the basal hymenopteran lineages (‘Symphyta’), seasonal polyphenism is so far only definitely recorded in the Sterictiphorinae (Argida...

Anhoplocampa is redescribed based on new material. Anhoplocampa bicoloricornissp. n. from China is described. Anhoplocampa yunanensis (Haris & Roller, 1999), comb. n. is transferred from Trichiocampus. A key to species of Anhoplocampa is provided. The differences between Anhoplocampa and Trichiocampus Hartig, 1837, Priophorus Dahlbom, 1835, Hoplocampa Hartig, 1837 and Renonerva Wei & Nie, 1998 ...

The following eleven Empria species are reported from Japan: Empria candidata (Fallén, 1808), Empria japonica Heidemaa & Prous, 2011, Empria liturata (Gmelin, 1790), Empria loktini Ermolenko, 1971, Empria plana (Jakowlew, 1891), Empria quadrimaculata Takeuchi, 1952, Empria rubicola Ermolenko, 1971, Empria tridens (Konow, 1896), Empria tridentis Lee & Ryu, 1996, Empria honshuana Prous & Heidemaa...

BACKGROUND We describe five new species in the genus Vibrissina Rondani from Area de Conservación Guanacaste (ACG). All species were reared from wild-caught sawfly larvae (Hymenoptera: Symphyta: Argidae and Tenthredinidae). We provide a morphological description of each species together with information on life history, molecular data, and photographic documentation. NEW INFORMATION Five new ...

Two sawfly species were established for the first time in Bulgaria: Gilpinia socia (Klug) (Hymenoptera: Diprionidae) and Hemichroa crocea (Geoffroy) Tenthredinidae). G. was found on Pinus sylvestris Plovdiv City, H. - Alnus glutinosa land of Iskra Village. The late-instar larvae collected reared Petri dishes laboratory conditions Forestry Protection Station Plovdiv. Seven female one male adult ...

Dolerus (Equidolerus) subfasciatus F. Smith 1874 is a valid species. Dolerus subfasciatus auct. is shown to include three distinct species: the Nearctic D. (Equidolerus.) neoaprilis MacGillivray, 1908, spec. rev. and two Palaearctic species, D. (E.) pseudoanticus Malaise, 1931, spec. rev. and D. (E.) rhodogaster Zhelochovtsev, 1935, stat. nov. Distribution records and imaginal diagnostic charac...

El minador de hojas abedul marcado ámbar, Profenusa thomsoni (Konow) (Hymenoptera: Tenthredinidae), invadió la región Anchorage en el sureste Alaska alrededor 1991 y 1996 causó altos niveles daño, lo que resultó un brote follaje dorado anualmente durante agosto desde los años hasta 2007. En 2004, se inició programa control biológico basado importación del parasitoide larval Lathrolestes Reshchi...