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Rostrum broad, subquadrate, flattened, notched at the tip, the bare nasal plate extremely short, the scrobes lateral, sinuous, and descending to beneath the eyes, the latter strictly lateral, convex, and very prominent, the head narrowly extended behind them; mentum small, transverse, almost filling the buccal cavity, arising from a short peduncle; mandibles with a large scar in front; antennæ long and slender, joint 2 of the funiculus about twice as long as 1, the scape nearly or quite reaching the front of the prothorax; prothorax deeply sinuate and broadly margined (as seen from behind) at the base; scutellum small; elytra much wider than the prothorax, sinuate at the base, with rather prominent humeri, 10-striate, the outer striæ approximate from basal third; femora clavate, unarmed, the anterior pair stout; anterior tibiæ denticulate; posterior tibiæ with the apex laminate and squamose, the glabrous articular surface cavernous and ascending; tarsi with the basal joint rather long, the claws free; body winged, squamose, in life clothed with a powdery exudation.


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