Labus humbertianus de Saussure, 1867

Li, Ting-Jing & Carpenter, James M., 2018, A taxonomic account of the genus Labus de Saussure, 1867 (Hymenoptera, Vespidae, Eumeninae) with descriptions of three new species, Journal of Hymenoptera Research 65, pp. 23-46 : 23

Labus humbertianus de Saussure, 1867

Labus humbertianus de Saussure, 1867: 4; Bingham 1896: 448, 1897: 349; van der Vecht 1935: 158; 1963: 5; Gusenleitner 1988: 189, 192; Girish Kumar et al. 2014: 30-32.

Material examined.

No specimens examined.

Diagnosis.

Body black, with yellowish white and brown markings. Yellowish white markings are as follows: anterior margin of horizontal portion of pronotum, parategula, at apical lamellar spine of the propodeum, fore tibiae on outer side, mid tibiae with a small yellow mark at base, a narrow thin transverse band at the posterior apex of T1, and a thin transverse band on T2 and S2. Brown markings are as follows: tegula (almost brownish black) except a small yellow mark at apex, propodeal valvula, and tarsi (partly); wings rather strongly infuscated; head and thorax densely and coarsely punctate; frontal fovea large, distinctly larger than the anterior ocellus, concavity of fovea divided by a blunt and low median ridge; pronotal spine rather short and conical; propodeum on each side with a long and sharp tooth above the apical lamellar spine; petiole coarsely and densely punctate, except on the swollen part which is sparsely and more finely punctate; swollen part as long as half of the length of the petiole (van der Vecht 1963; Girish Kumar et al., 2014).

Distribution.

India; Sri Lanka; Myanmar.