Ichneumon leucogigas var. australis HEINRICH , 1965

Riedel, Matthias, 2023, Five new Oriental species of the genus Ichneumon LINNAEUS (Hymenoptera, Ichneumonidae, Ichneumoninae), Linzer biologische Beiträge 55 (1), pp. 47-60 : 51-52

Ichneumon leucogigas var. australis HEINRICH, 1965 , new ♁

M a t e r i a l e x a m i n e d: Laos, Hua Phan Prov., Phon-Pan, Umg. Ort Ban Saleui, N 20°13´30´´ E 103°59´26´´, 1350-1900 m, 1♀ 21-22.iv.2010, 1 ♀ 28.iv.2010, 1♁ 7-8.v.2010, 1 ♀ 14-15.v.2010, 1♁ 6.v.2011, 3♁♁ 25-26.iv.2012, 2♁♁ 2-3.v.2012, leg. C. Holzschuh & natives (Linz and coll. RIEDEL).

R e m a r k s: ♁: Flagellum with 40 flagellomeres. Tyloids on flagellomeres 9-17.

Hind femur slender, 4.5 × longer than wide, with very scattered punctures in basal 1/3

and ventral 1/2. Postpetiolus with some transverse rugae basally and fine longitudinal aciculation apically. The available ♁♁ differ from Ichneumon leucogigas s.str. by: 2nd to 4th tergites with posterolateral ivory spots, 5 th to 7 th tergites completely black. Coloration otherwise as described for I. leucogigas ( HEINRICH 1965: 82-83) .

D i s t r i b u t i o n: Known from Myanmar, new record for Laos.