| OCR Text |
1895.] HYMENOPTERA OF THE ISLAND OF GRENADA. 805 Olub of antennae abrupt, 3-jointed, the last joint twice as long as the penultimate, the last two joints black D. peraffinis, 2. Antennae with a gradually incrassated 4-jointed club, reddish yellow. Legs reddish yellow D. unicolor. Males. Body black. Thorax entirely black; petiole of abdomen short. Antennas about twice as long as the body, reddish-yellow, the flagellar joints with long slender peduncles D. smithii. Thorax anteriorly more or less piceous. Antennas not 1^ times as long as the body, reddish, the flagellar joints with short peduncles D, grenadensis. Antennas about If times the length of the body, reddish, the flagellar joints with long slender peduncles D. peraffinis. Thorax rufous, the mesopleura black, abdominal petiole very long. Antennas about twice the length of the body, reddish yellow, the joints with long slender peduncles ... D. melanopleura. (1) DlAPRIA SMITHI, Sp. D. 2 • Length 2*2 m m . Polished black ; antennae and legs red; wings hyaline, pubescent, the stigma yellow. Head globose, the cheeks sparsely pubescent; antennae about as long as the body, the flagellum gradually incrassated, the scape long, about as long as the first four funicle joints united; pedicel shorter but a little stouter than the first joint of funicle; funicular joints 2 to 4 subequal, the fourth the stoutest, the six following joints, which in reality constitute the club, are moniliform and gradually incrassated; collar at sides and metathorax pubescent; scutellum with a large, deep fovea at base; abdomen ovate, tbe petiole rugose, pubescent, scarcely longer than thick. 0*. Length 1*8 m m . Differs from female in the shorter, oval abdomen, the petiole being nearly twice as long as thick, and by the long, nodose-pedicellate antennae, which are red and about twice the length of tbe body, with whorls of long hair, the peduncle of each joint being as long as the nodose or swollen part, except those of the last three joints. Chantilly Estate. Described from one male and one female specimen. (2) DlAPRIA GRENADENSIS, Sp. n. 2 . Length 1*5 to 2 m m . Polished black, the thorax anteriorly and the abdomen beneath with a distinct reddish or piceous tinge; antennae, except last two joints, and the legs red or reddish yellow; wings hyaline, the stigma yellowish. Head globose, the cheeks pubescent behind; antennae extending to middle of abdomen, the club incrassated, the last two joints black ; funicle 6-jointed, the first joint longer but slenderer than |
