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Show 750 MR. w. H. ASHMEAD-REPORT ON THE PARASITIC [NOV. 19, joint; club 5-jointed, the first joint rounded, considerably than the other joints, 2-4 subequal, a little longer than thick, the last ovate, a little longer than the preceding and slightly more than twice as long as thick ; all club-joints fluted. Mesonotum fully twice as long as wide at base; collar striated at sides; scutellum indistinctly or feebly striated at sides ; the cup small, ovate, with the disk smooth, impunctate. Wings hyaline, entire and rounded at apex, ciliated ; the veins (except the basal nerve, stigma, and marginal vein, which are piceous) reddish yellow ; the marginal vein is open along the fore margin, while the first and second abscissas of radius are about equal in length, the marginal cell being a little more than twice as long as wide. Abdomen not quite so long as the head and thorax united, with a slight rim at base but without pubescence, and, except some striae at base above, perfectly smooth and polished. Balthazar. Described from one female specimen. (2) PENTACRITA PROXIMA, sp. n. 2 . Length 1 m m . Polished black; antennae rufo-piceous, the club black ; legs honey-yellow, the coxae and clavate parts of femora brown or rufo-piceous : mandibles reddish yellow. Antennae 13-jointed, about as long as the head and thorax united; the scape clavate, 3 times as long as thick; funicle 6-jointed, the first joint 3 times as long as thick, the second hardly longer than thick, joints 3 to 6 moniliform, equal in size ; club 5-jointed, the first rounded and much smaller than the second, the second smaller than the third but a little longer than thick, joints 3-4 subequal, oblong, the fifth ovate, hardly twice as long as thick. Mesonotum not twice'as long as wide at base, the scutellum distinctly striated at sides; the cup small, elliptic, with a small fovea posteriorly and a single puncture on the anterior part. Wings hyaline, ciliate, the apex of front pair with a slight sinus ; otherwise the venation is similar to P. coxalis, except that the second abscissa of radius is evidently slightly longer than the first. Abdomen as long as the head and thorax united, without a pubescent girdle at base. Balthazar. Described from one female specimen. Eeadily distinguished from the preceding species by the shorter antennae and the relative length of same, shorter mesonotum, and the shape of the anterior wings. HEXACOLA, Forster. HEXACOLA DUBIA, sp. n. 2 . Length 1*2 m m . Polished black; antennae black ; mandibles rufous ; legs reddish yellow. Antennae 13-jointed; funicle 5-jointed, the first joint nearly twice as long as the second, joints 2-4 subequal, the last the stoutest; club 6-jointed, fluted, the joints except the last about equal, a little longer than thick, the last ovate, longer than the others. Scutellum striate at sides; the cup small, elliptic, with a fovea |