OCR Text |
Show 1895.] HYMENOPTERA OF THE ISLAND OF GRENADA. 789 Abdomen as long as the head and thorax united, polished black, striated at base above. Balthazar. Described from one female specimen. (4) CERAPHRON POLITIFRONS, sp. n. 2 • Length 1*2 m m . Polished black, impunctate, the frons and face perfectly smooth, shining; antennae, except the last four or five joints, and legs brownish yellow or yellow, the hind coxae dusky basally ; wings hyaline, pubescent, the venation light brown. Flagellum subclavate, the first joint as long as the pedicel, joints 2 and 3 about half as long as the first, a little longer than thick, joint 4 quadrate, joints 5-7 longer than wide, gradually increasing in length, joint 8, or the last, ovate, one-half longer than the penultimate. Balthazar and St. George's. Described from two female specimens. (5) CERAPHRON BASALIS, Ashm. Monogr. N. A. Proct. p. 127. Mount Gay Estate. A single female specimen. APHANOGMUS, Thomson. Table of Species. Polished black ; scape and legs brownish yellow. Flagellum clavate, brown, sometimes with the pedicel and one or two flagellar joints yellowish ; joints 1 to 4 small, moniliform, after the first transverse; joints 5 and 6 much larger, transverse, nearly as large as the 7th, the 8th oblong Flagellum brownish or dusky only at tips; first joint minute, obconic, the second and following joints gradually increasing in width, transverse-moniliform, the 7th and 8th much larger, the 7th transverse quadrate, the last long, large ovate (1) APHANOGMUS GRENADENSIS, sp. n. 2 . Length 0*6 m m . Polished black ; scape, with sometimes the pedicel and one or two joints of funicle, and legs brownish yellow ; wings hyaline, ciliated, the nervures light brown. Head transverse, the face slightly impressed ; eyes large, bare; antennae much incrassated towards tips; first joint of flagellum very minute, joints 2 to 4 transverse, nearly as large as the 7th, joint 8 or the last oblong. Mesonotum with a single grooved line; scutellum convex, polished, longer than wide at base. Abdomen subsessile, ovate, a little piceous at base. Balthazar. Described from two female specimens. (2) APHANOGMUS INSULARIS, sp. n. 2 . Length 0*6 m m . Agrees with the previous species, except that only the tip of the flagellum is dusky or black and the joints are relatively different. The flagellar joints 2 to 5 are transverse moniliform; the 6th is much enlarged ; the 8th quadrate ; the 9th conic; the 8th and 9th black or dusky. Wings hyaline, pubescent, with an indistinct fascia below the parastigma. Abdomen black, slightly paler at base. Balthazar. Described from two female specimens. A. grenadensis. A. insularis. |