Lamachus Foerster , 1869

Li, Tao, Sheng, Mao-Ling & Sun, Shu-Ping, 2012, Species of the genus Lamachus Foerster (Hymenoptera, Ichneumonidae) parasitizing diprionid sawflies (Hymenoptera, Diprionidae) with descriptions of two new species and a key to Chinese species, ZooKeys 249, pp. 37-49 : 38

Genus Lamachus Foerster, 1869

Lamachus Förster, 1869. Verhandlungen des Naturhistorischen Vereins der Preussischen Rheinlande und Westfalens, 25(1868): 206. Type species: Tryphon lophyrum Hartig.

Diagnosis.

Clypeus small, almost flat or weakly convex. Upper tooth of mandible slightly longer than or equal to lower tooth. Notaulus absent, or short and weak. Propodeal carinae weak or absent. Areolet present. Fore wing with vein 1cu-a distal of 1/M by about 0.25 times length of 1cu-a. Hind wing vein 1-cu longer than cu-a. Glymma present. Median dorsal carina of first tergum weak; dorsolateral carina complete. Setae of female genital plate slanted backward.

Key to species of Lamachus known in China