Schlettererius Ashmead, 1900

Hong, Chun-dan, van Achterberg, Cornelis & Xu, Zai-fu, 2011, A revision of the Chinese Stephanidae (Hymenoptera, Stephanoidea), ZooKeys 110, pp. 1-108 : 39-40

Genus Schlettererius Ashmead, 1900 Figs 351375

Schlettererius Ashmead 1900: 150. Type species (by monotypy and original designation): Stephanus cinctipes Cresson, 1880.

Diagnosis.

Pronotum more or less rectangularly connected with rest of pronotum (Figs 352, 366); vein 1-M of fore wing distinctly curved (Figs 351, 365); vein cu-a of hind wing present as pigmented vein (Fig. 365); hind coxa with small subapical dorsal tooth (Figs 358, 372); hind tibia not distinctly narrowed and compressed basally (Figs 361, 374); hind tarsus of female with five tarsomeres (Fig. 360); sternite of first metasomal tergite differentiated from its tergite, first tergite 2.4-4.6 times as long as its apical width, not cylindrical, about as long as second tergite (Figs 362, 363, 373, 375); second tergite sessile and smooth basally (Figs 362, 363, 375); posterior part of eighth metasomal tergite of female with pygidial process (Figs 362, 363); ovipositor sheath with ivory subapical band (Fig. 364).

Distribution.

Nearctic, East Palaearctic and Australian (only Tasmania: introduced for biological control of introduced Siricidae ).

Notes.

Two species of Schlettererius are known worldwide, one from China and one from North America. A key to the two species follows:

Key to world species of the genus Schlettererius Ashmead