1 62 DURHAM DIPTERA. 



XXVI. 265. 



25 (26). X.5 2 much shorter than V.5 5 , V.4.a. almost straight, 



0.6 1 rather short, female blackish. 



(1386. furcata, Fin.) 



26 (25). X.5 2 much longer than V.5 6 , V.4.a. arched, O.6 1 long, 



female with whitish markings. 

 27(30). X.4. nearly in a line below the end of V.I .a., O.6 1 

 moderately long. 



28 (29). Face and basal joints of the antennae in the male 



moderately bristly ; thorax of the female mainly 

 brownish. (1388. fasciata, Mg.) 



29 (28). Face and basal joints of the antennae in the male 



remarkably bristly ; thorax of the female striped. 



(1389. hiriiceps, Verr.) 



30 (27). X.4. much before the end of V.I .a. 



31 (32). V.4.b. usually incomplete, O.6 1 not very long. 



(1390. infumata, Hal.) 



32 (31). V.4.b. usually complete, O.6 1 very long. 



(1391. picta, Mg.) 



Family XXVII.— PIPUNCULID^E. 



TABLE OP GENERA AND SPECIES. 



1 (2). X.5 2 absent. Third antennal joint rounded in front 



(III. 41). 



266. Chalarus, Wlk. (1392. spurius, Fin.) 



2 (1). X.5 2 present (V. 18). 



3 (75). Humeri and scutellum not inflated. 



4 (9). Ocellar bristles distinct. Rather hairy species, with 



the back of the head not appearing behind the 

 eyes when viewed from the side. Third antennal 

 joint rounded like (III. 41). 



267. Verrallia, Mik. 



5 (8). V.4 4 not forked. 



6 (7). Fore and mid femora with a wart beneath near the 



middle. 



1393. Verrallia pilosa, Ztt. 



Harperley, 1 ?, 4-6-00. 



