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Description de Maa (1963) :
Body large, robust, strongly humpbacked, as broad as deep in profile. Head much narrower than pronotum. Anteclypeus strongly carinate ; postclypeus flattened. Pleurostome narrower than lorum, with long, stout, erect hairs, its lower end separated from lorum by a very short, faint, transverse suture; maximum length of gena proper nearly 2X minimum breadth of pleurostome; maxillary plate broadly exposed. Eye distinctly longer than wide, its inner margin straight and distinctly angulate at lower end; outer margin weakly sinuate, not touching hind margin of head. Tylus distinctly broader than eye, about 2 X as broad as side piece of vertex. Supra-antennal triangle entirely undefinable. Ocelli slightly or distinctly further from each other than from eyes. Pronotum minutely" scatteredly punctate; anterolateral margin sharply carinate. Scutellum proper about 1/2 as deep in profile as long; median line broadly, roundly, strongly raised; lateral area rather abruptly descending; scutellar apex flattened or recurved, in contact with closed tegmina, separated from scutellum proper by a strong constriction Tegmen short, broad, hyaline j basicostal triangle finely punctate, elsewhere smooth; veins very strong; venation abnormal; discoidal cell large, somewhat trifoliate-like, bordered by M, Cu and transverse vein parallel to apical ambient vein of tegmen; M and Cu each strongly angulate with a free stub within the cell; M strongly bullate near apex of this cell; area beyond the above mentioned transverse vein with about 14 concave cells roughly arranged in 2 transverse series; area between R and M and basad to transverse vein with about 5 concave cells; costal margin with 10- 13 small, irregular cells anterior to R; apical 1/3 of Cu largely touching claval furrow; clavus apically subtruncate, apical (“ambient") vein curved in S-shape; claval vein 1 adnate with 2 for some distance at middle and bu1late near apex; corial appendix nearly reaching tegminal apex. Hind tibia with only 1 lateral spine which is as long as breadth of tibial apex; outer apical lobe of hind tarsomere 1 shorter than inner apical lobe. Female anal segment partly concealed; anal style about 2X as long as profile depth at base; ovipositor- sheath vertical.