1916] Johnson — Further Studies on the Platypezidm 29 



Agathomyia perplexa sp. nov. 



d^ . Head black, mouth parts and base of the antennae yellow- 

 ish. Third joint and arista blackish. Thorax : dorsum and pleura 

 fulvous, with rows of hairs and bristles similar to those of A. duhia, 

 scutellum fulvous with four large marginal bristles. Abdomen 

 fulvous, the last two segments and genitalia black. Legs yellow, 

 the posterior metatarsi enlarged, slightly wider than the tibiae, 

 under side of the anterior and posterior femora with a large black 

 bristle near the base. Halteres dark brownish-black. Wings 

 hyaline, stigma very pale, a large black bristle near the base of the 

 costa. Length, 3 mm. 



One specimen, Elma, Erie County, N. Y., August 24, 1913, 

 collected by Mr. M. C. VanDuzee. Type in the author's col- 

 lection. 



In general appearance this could also be referred to as the male 

 of A . fulva, but the color of the antennae, halteres and the last two 

 segments of the abdomen would seem to separate it from that 

 species. 



Agathomyia fulva Johnson. 



A female identical with the type from Capens, Me., was col- 

 lected in Tuckerman's Ravine, Mt. Washington, N. H., July 21, 

 1915. 



Agathomyia vanduzeei sp. nov. 



cf . Face black, grayish pruinose, mouth parts and antennae 

 yellowish, third joint and arista black, eyes similar to the following 

 species. Thorax with a dorsal line and the central area behind the 

 transverse suture black, the rest of the dorsum, pleura and scutel- 

 lum brownish. Abdomen, first segment brown, second and third 

 yellow except for a dorsal spot of brown, the rest of the segments 

 velvety black. Halteres dark brown, base of the stalk yellow. 

 Legs yellow, tip, of the posterior femora brown above, posterior 

 metatarsi slightly dilated, apex rounded (Fig. 2). Wings hyaline. 

 Length, 3.5 mm. 



9 . Face and front black, grayish pruinose, a bristle on each 

 side of the front just below the ocelli and a vertical bristle on each 

 side of the ocelli, two small ocellar bristles and a row of small 

 bristles on the posterior orbits. Thorax light gray, with three con- 

 spicuous rows of black hairs, the middle row abbreviated poster- 



