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Show 1895.] HYMENOPTERA OP THE ISLAND OF GRENADA. 755 (1) TRYBLIOGRAPHA XANTHOPODA, sp. n. 2 • Length 1*1 to 1*5 m m . Polished black ; antennae, except four or five basal joints, black or piceous black; basal joints of antennae and legs reddish or brownish yellow. Antennae 13-jointed, gradually incrassated, the scape a little longer than the pedicel; first flagellar joint the longest and slenderest, and fully one-half longer than the second, the joints beyond gradually increasing in size from the third, second and third joints subequal, fourth, fifth, and sixth about equal in length, a little longer than the third, joints 7-10 a little shorter and stouter than the sixth, the last joint ovate. Cup of scutellum rather large, oval, smooth, polished, impunctate, with a small oval fovea posteriorly, the anterior part smooth and convex. Wings hyaline, ciliate, the veins yellow, the marginal cell completely closed, the first abscissa of radius a little shorter than the second, curved inwardly, the second almost straight, the cubitus distinct, curved downwards at base; the marginal cell is only about 1 \ times as long as wide. Abdomen a little shorter than the head and thorax together, with a narrow, sparsely pubescent girdle at base. The male agrees with the female, except in having long, 15- jointed antennse, with only the three basal joints rufous, the following all being piceous black, striated; the first joint of flagellum is slightly longer and stouter than the second, the second and following joints are equal, ellipsoidal, three times as long as thick. Balthazar. Described from one male and two female specimens EUCOELA, Westwood. Table of Species. Females. Marginal cell more or less open along the fore margin Marginal cell completely closed. Species reddish brown or ferruginous Species with head and thorax black, abdomen rufous Species black or mostly black. a. Cup of scutellum rather large, oval, its base almost touching the margin of mesonotum, with a fovea posteriorly, and usually some punctures on the smooth anterior part Six terminal joints of antennae fuscous or black; rest of antennae and legs reddish yellow ; cup of scutellum with a transverse fovea behind, and a few punctures along the margin of anterior part Eight terminal joints of antennae fuscous or black ; rest of antennas and legs reddish yellow; cup of scutellum with a rounded fovea posteriorly, the anterior part sub-convex, polished, impunctate 4. 3. 2. E. ovalis, Ashm. E. unifoveata, sp. n. |