330 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



segment. Legs black. Wings faintly and evenly infuscated, base 

 and veins yellowish. Tegulae \vater3^-fuscous. 

 Type.— C&t. No. 15168 U.S.N.M. Female. • 



EPALPODES, new genus. 



General characters of Andinomyia, differing as follows: Head 

 much shorter, parafacials about two-thirds eye-width. Mean width 

 of cheeks about two-thirds eye-height. Second and tliird antennal 

 joints in male about equal, the third not enlarged and widened 

 apically. Lower profile of the wedgelike epistomal projection nearly 

 in line with the lower border of head, only slightly bent at most. Pro- 

 boscis much shorter, part below geniculation less than head-height, 

 palpi microscopic and bristle-tipped. 



Three sternopleural, four postsutural bristles. Practically only 

 two lateral pairs of scutellar bristles, the anterior or third pair being 

 represented by weak bristly hairs; a weak lateral submarginal bristle 

 between the two strong lateral ones. Abdomen much approacliing 

 Epalpus, but the macrocha^tse still of the JMicropalpine type; second 

 and third segments each ^\ath two median discal pairs and a marginal 

 row, the second segment sometimes with three median discal pairs, 

 the third segment sometimes with only one such pair; fu'st segment 

 without any median; anal segment in male slightly emarginate, with 

 discal row and marginal and submargmal macrochgetse. Hind and 

 especially middle tibiss strongly spined, male claws very strong and 

 elongate. Fourth vein with spot at bend rather than wrinkle, hind 

 crossvein hardly bulged. 



Reproductive habit, leaf-larviposition ; uterus strap-like, with col- 

 ored maggots in all probability. 



Type-species. — Epalpodes equatorialis, new species. 



This genus may prove to belong to the Hystriciinas, in tlie neigh- 

 borhood of the Laundersiine group. 



EPALPODES EQUATORIALIS, new species. 



Length of body, 9 to 10 mm.; of wing, 8 to 9 mm. Five males, 

 Manclii to Colaisaca, Cordillera Occidental of southern Ecuador, 

 about 7,500 to 8,500 feet, November 22 and 23, 1910, on flowers of 

 Baccharis Jlorihunda. 



Parafacials and cheeks very pale golden pollinose, appearing almost 

 silvery in some hghts. Parafrontals dusky, thinly brassy pollinose. 

 Frontaha and first two antennal joints brownish-yellow, tliird joint 

 and arista dark brown. Facial plate pale yellowish, with a faint sil- 

 very to yellowish bloom. Occiput ashy, with grayish-golden pile. 

 Pleurae thinly brassy pollinose. Mesoscutum brassy-cinereous, with 

 five very faint dusky vittse, the outer ones interrupted at suture, 

 the next stopping a little behind suture. Scutellum wholly reddish- 



