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Description de Maa (1963) :
Postclypeal keel moderately strong, brand, complete. Upper 1/2 of plcurostoll1c only about 1/2 as wide as antennal segment 1. Occipital margin rather deeply sinuate at middle: antennal ledge (in vertical view of crown) nearly straight. Pronotum about 2/3 as long as broad, slightly less than 2X as broad as head; its lateral angle weakly, horizontally ampliate, broadly rounded, not forming lamina. Scutellum with no "neck" region in profile, its posterior 1/2 gently upraised. Scutellar process 1/3 as long as scutellum; scutellar sulcus quite shallow, as wide as smallest interocular distance. Wing with unbranched longitudinal vein 5 (constant ?). Mate genitalia unknown. Other characters as in Blastacaena described above.