Revision of the Siobla formosana group (Hymenoptera: Tenthredinidae).

Revision of Siobla (Hymenoptera, Tenthredinidae) from Japan.

The Japanese species of the sawfly genus Siobla Cameron, 1877, are revised and keyed. The following nine species are recognized: S. apicalis Takeuchi, 1929, S. ferox (Smith, 1874), S. hirasana Takeuchi, 1929, S. jucunda (Mocsáry, 1909), S. metallica Takeuchi, 1929, S. sturmii (Klug, 1817), S. japonica, sp. nov., S. pulchra, sp. nov., and S. takeuchii, sp. nov.  Siobla pacifica (Smith, 1874) is ...

Revisionary study on European species of the Empria candidata complex (Hymenoptera, Symphyta, Tenthredinidae).

Two species of the Empria candidata species complex, E. candidata (Fallén, 1808) and E. magnicornis (Eversmann, 1864) spec. rev., comb. nov., are revised and redescribed. The males and larvae of both species are identified, described and the males are associated with the corresponding females. The species are redefined based on the revision of the available types. Lectotypes are designated for ...

A second species of Tyloceridius Malaise (Hymenoptera, Tenthredinidae)

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.

Tanzawana flavomaculata (Hymenoptera, Ichneumonidae, Ctenopelmatinae), a new genus and species of parasitoid of Fagineura crenativora (Tenthredinidae, Nematinae), a serious pest of beech tree.

We describe a new genus, and a new species, of parasitoid--Tanzawana flavomaculata Watanabe & Kasparyan (Hymenoptera: Ichneumonidae: Ctenopelmatinae)--based on material collected in Honshu, Japan. As T. flavomaculata is found on Fagineura crenativora Vikberg & Zinovjev, 2000 (Hymenoptera: Tenthredinidae), a serious pest of beech tree, this parasitoid is an important natural enemy of F. crenativ...

Phylogeny and ecological evolution of gall-inducing sawflies (Hymenoptera: Tenthredinidae)