Listrodromus propodealis RIEDEL , 2011

Riedel, Matthias, 2023, New contribution to the Oriental species of Anisobas WESMAEL and Listrodromus WESMAEL (Hymenoptera, Ichneumonidae, Ichneumoninae), Linzer biologische Beiträge 54 (2), pp. 625-639 : 629-630

Listrodromus propodealis RIEDEL, 2011 (figs 16, 21, 28), new ³

M a t e r i a l e x a m i n e d: W-Malaysia: Ulu Gombak, 3°18´N 101°45´E: 1♀ ex Jamides alecto (FELDER, 1860) (Lep. Lycaenidae ) on Zingiber spectabile, pup. 5.x.1995, em. 20.x.1995, leg. A. Wecker; 1♀ ex Jamides alecto (FELDER, 1860) (Lep. Lycaenidae ) on Saraca thaipingensis, coll. 2.x.1993, pup. 6.x.1993, em. 21.x.1993, leg. P. Seufert (ZSM); 1♀ ex Jamides purapura (MOORE, 1886) (Lep. Lycaenidae ), leg. viii.1995, emerged 7.ix.1995, leg. P. Seufert; 1♀ ex Plautella cossaea sonchus (DRUCE, 1896) (Lep. Lycaenidae ), leg. 23.viii.1995, emerged 13.ix.1995, leg. K. Fiedler (ZSM); 3♁♁ ex Jamides purapura (MOORE, 1886) (Lep. Lycaenidae ), leg. 12.viii.1995, emerged 8.ix.1995, leg. P. Seufert (ZSM); 1♁ 19.ii.1993 emerged 12.iii.1993, leg. J. Moog (ZSM); Malaysia: SE Sabah, nr Danum Valley Field C, Mal. trap 5, c 150 m, 4♀♀ 26.v.-20.vi.1987, 1♀ 12.vii.-2.viii.1987, 2♀♀ 2-23.viii.1987, 1♀ 23.viii.-13.xi.1987, leg. C. v. Achterberg & D. Kennedy (Leiden); Laos: Hua Phan Prov., Phon-Pan, Umg. Ort Ban Saleui, 20°13´30´´N 103°59´26´´E, 1350-1900 m, 1♀ 13.vi.2013, 1♀ 27.vi.2013, 1♀ 4.vii.2013, leg. C. Holzschuh & natives (Linz); Indonesia: N Sumatra, Ketambe, c 400 m, near N.P. Gn. Leuser, Mal. trap, 1♀ iv.1994, leg. Y. v. Nierop & C. v. Achterberg, RMNH´95 (Leiden).

R e m a r k: The propodeum of the Malaysian specimens varies from reddish to blackish in the reared material mentioned above. Therefore, Listrodromus propodealis sabahensis RIEDEL, 2011 represents a colour variety and not a distinct subspecies of L. propodealis .

The ♁♁ are characterized by: Flagellum with 20-22 flagellomeres. Tyloids on flagellomeres 3/4-15/18. Flagellum yellowish ventrally. Paramedian spots on mesoscutum usually confluent medially. 1 st and 2 nd tergites with yellowish posterolateral spots; 4 th to 6 th tergites entirely black; 3 rd and 7 th tergites with yellowish apical bands. The structure and coloration of the ♁ is otherwise similar to the ♀.

D i s t r i b u t i o n: Known from Malaysia, new records for Laos and Sumatra.