92 ENTOMOLOGICAL SOCIETY 



cloud near apex of wing, extending from slightly before apex of second 

 vein to middle of second submarginal cell; fourth posterior cell closed 

 and rather long petiolate. Length 6 mm. 



A male specimen from Granada, Nicaragua. 

 Type. No. 7795, U. S. National Museum. 



Family CONOPID^. 

 Conops pallifrons, n. sp. 



Head yellow, occiput, except the upper and lower part and the sides on 

 the lower half, black, front at insertion of antennae narrowly margined 

 with brown, a brownish streak below each eye in the male; antennae red 

 dish, the upper edge of the third joint and greater part of the second, 

 black, the second joint subequal in length to the third; proboscis about 

 one and one-half times as long as the head, reddish, the ends black; 

 thorax black, a golden-yellow pruinose spot borders each humerus on the 

 inner side, pleura crossed in front of middle coxae by a yellowish pruinose 

 band of well-defined outlines, a yellow pruinose spot on the hypopleura; 

 abdomen black, sides of the second segment in the male reddish, broad 

 base of the third yellow, second segment narrow, with nearly parallel 

 sides, slightly longer than the third in the male, apices of male genitalia 

 yellow; wings brown from costa to third vein, also along the third vein in 

 first posterior cell and along fifth vein in discal cell except toward 

 its apex, remainder of wings hyaline; halteres yellow; legs reddish 

 brown, broad bases of tibiae yellowish-white, tarsi and hind femora chiefly 

 black. Length 6 to 8 mm. 



A specimen of each sex from Chiuandega and San Marcos, 

 Nicaragua. Also a male collected at San Rafael, Vera Cruz, 

 Mexico, July 3, by Mr. C. H. T. Townsend. 

 Type. No. 7796, U. S. National Museum. 



Family TACHINID^E. 

 Paradidyma orbitalis, n. sp. 



Black, the second joint of antennae and broad base of the third, also the 

 palpi and apex of proboscis, yellow ; vertex one and one-half times as wide 

 as either eye, one pair of orbital bristles, frontals descending nearly to 

 the arista, a row of bristles extends from the lowest frontal just outside of 

 the facial ridges to lower end of eyes, becoming stouter toward the lower 

 end of the row, vibrissse on a level with front edge of oral margin, two 

 bristles above each ; eyes bare, antennae as long as the face, the third joint 

 about eight times as long as the second, arista thickened on the basal 

 three- fifths, the penultimate joint as broad as long; face in profile strongly 

 convex except on the lowest fifth, cheeks one-third as wide as the eye- 

 height; mesonotum grayish pruinose and with two broad black vittae, 

 three pairs of postsutural dorsocentral bristles, two sternopleurals, scu- 



