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Show 1895.] HYMENOPTERA OF THE ISLAND OF GRENADA. 799 joints, except the first and last, nearly equal, the first a little longer than the pedicel, the last ovate. Thorax convex, without parapsidal furrows ; wings hyaline, the nervures light brown; legs black, tibiae with an annulus at base and the anterior tibiae at apex yellowish, all tarsi brownish yellow. Abdomen as long as head and thorax united, the segments constricted and striated at the sutures. Balthazar. Described from one male specimen. HADRONOTUS, Porster. (1) HADRONOTUS RUGOSITHORAX, sp. n. 2 • Length 1*6 m m . Black, very coarsely, irregularly rugose, the thorax showing several raised lines before the scutellum ; antennae entirely black ; legs black, the trochanters, anterior tibiae, and base of middle and posterior tibiae, and all tarsi brownish yellow ; wings hyaline, the nervures light brown, the marginal vein scarcely half the length of the stigmal vein. Head wider than the thorax, the facial impression bounded by a raised margin, transversely striated; mandibles black; pedicel much longer and stouter than the first funicular joint; funicular joints to club gradually broadened ; club fusiform, the four middle joints much broader than long, the last conic. Thorax very coarsely, irregularly rugose ; scutellum coarsely rugose. Abdomen oval, sessile, shagreened, the second segment a little the longest, the third scarcely half as long as the second, the fourth half the length of the third, the following very short; first segment and the second at base above striated ; venter punctate. St. John's River. Described from one female specimen. (2) HADRONOTUS AGILIS, sp. n. 2 - Length 0*9 m m . Black, coarsely rugose ; scape at extreme base, tibiae, and tarsi honey-yellow. Head wider than the thorax, the facial impression immargined; first funicular joint two-thirds the length of pedicel; second half the length of first, third and fourth transverse; club-joints, except the last, transverse. Wings hyaline, the venation light brown, the marginal vein about as long as the stigmal. Abdomen shagreened, the second segment a little longer than the first, the first striated. Mount Gay Estate. Described from one female specimen. (3) HADRONOTUS ATROCOXALIS, sp. n. 2 . Length 1*2 m m . Black, opaque, rugose; antennae, except club, and legs, except coxae and trochanters, brownish yellow; club, coxae, and trochanters black. Wings hyaline, the venation yellowish, the marginal vein not half the length of the stigmal; pleura striated. Abdomen rugose, clothed with a glittering white pubescence, the first and second segments above striated. Mount Gay Estate. Described from one female specimen. 51* |