ART. 4 NEW PARASITIC HYMENOPTERA GAHAN 11 



thin, temples narrow with the posterior orbit depressed and forming 

 a groove along the eye-margin which is covered with a dense silveiy 

 pubescence; profile above the antennae sti-aight, l>elow antennae 

 slightly receding; antennae more than twice as long as the head, 

 the flagellum increasing slightly in thickness from base to near apex, 

 scape subcylindrical, pedicel about one and one-half times the length 

 of third antennal joint, fourth joint twice as long as third, fifth to 

 tenth joints successively decreasing in length, the tenth very slightly 

 longer than broad; club a little longer than the two preceding funicle 

 joints and not a great deal thicker, 3-jointed, the joints subequal in 

 length; anterior lobe and outer face of lateral lobe of the mesoscu- 

 tinn with fine granular sculpture, the lateral lobes on posterior half 

 sharply carinate above; concave posterior portion of mesoscutum 

 smooth and polished or nearly so ; scutellum convex, rounded behind, 

 opaquely sculptured, with a conspicuous tuft of black bristles; front 

 femora somewhat expanded posteriorly, broadest near apex; front 

 tibiae somewhat compressed; middle tibiae slightly compressed at 

 apex with, a group of four or five short black spines at the apex, the first 

 three joints of their tarsi with a double row of short spines beneath; 

 hind tibiae compressed with a carinate expansion or flange along the 

 posterior margin extending from base to apex and about one-third 

 the breadth of tibiae; abdomen ovate, as broad or somewhat broader 

 than thorax, as long as head and thorax, distinctly shagreened, the 

 fourth and fifth tergites emarginate medially, the second and third 

 with the hind margin straight, ovipositor about two-thirds as long as 

 the abdomen. Head and thorax, scape, all coxae and femora, basal 

 one-third of abdomen more or less, and the ovipositor sheath rufo- 

 testaceous; antennal flagellum, maxillary palpi, eyes, broad median 

 stripe on the mesosternum, and apical two-thirds or more of the 

 abdomen black; front tibiae and tarsi, middle tibiae and hind tibiae 

 fusco-testaceous, the hind tibiae darker than the others; middle tarsi 

 pale yellowish above, the spines beneath and apical joint black; hind 

 basitarsis and apical joint black, the second to fourth joints pale 

 yellow; fore wing from base to apex of submarginal hyaline, from 

 base of marginal to apex of postmarginal veins covered by a broad 

 fuscous band, beyond apex of venation subhyaline. 



Male. — Length, 1.75 mm. Head and thorax very weakly sha- 

 greened, propodeum smooth, abdomen faintly shagreened; scape 

 about twice as long as broad; pedicel a little longer than broad; 

 ring-joint small, transverse; first funicle joint shghtly the longest, 

 about one and one-half times as long as thick; last funicle joint sub- 

 quadrate; club conical and about as long as the two preceding joints. 

 Body color bluish-black with a metallic sheen; antennae dull black, 

 the scape shghtly metalhc; mandibles brownish; legs concolorous with 

 the body; the fore and median knees and their tibiae at apex, a 



