1. Pseudocyphus geminus, sp. n. Platyomus geminus, Jekel, in litt. Oblong, rather narrow (Male), broader (Female), black or piceous, the legs paler; densely clothed with green scales, those around the eyes and on the alternate elytral interstices somewhat whitish, and also set with extremely short, scattered, adpressed hairs. Head and rostrum rugulosely punctate and finely sulcate; antennal scape widened from near the base, becoming broader outwards, reaching the front of the prothorax in the male, a little shorter in the female; eyes moderately large, somewhat depressed. Prothorax transverse, bisinuate at the base, rugulosely punctate. Elytra gradually narrowing from the shoulder (Male), subparallel to about the middle (Female), strongly bisinuate at the base; finely punctate-striate, the interstices rugulosely punctate, 3, 5, and 7 more convex, a little broader than the others, and set with a double row of minute hairs. Length 6.2-8.5, breadth 2.25-3.5 millim. (Male, Female .) Hab. Mexico (coll. Solari, ex Jekel), Panistlahuaca in Oaxaca (Salle). Two males and two females. Easily distinguishable by the broader, paler, and more convex elytral interstices, and the finely punctate-striate elytra.