DUBHAM DIPTERA. 353 



XLIX. 60S. 



11 (10). Legs all black except the base of the mid and hind 



tarsi. (261 1. ranunculi, Hal.) 



12 (1). Face yellow. 



13 (14). Claws reddish and rather long. (2612. tarsata, Hal.) 



14 (13). Claws white and short. 



15 (16). Palpi black. (2610. cochlearice, Hal.) 



16 (15). Palpi yellow or orange. 



17 (18). Eyes purple and large. (2606. porphyrops, Hal.) 



18 (17). Eyes dark green or brassy. 



19 (22). C 2 at least half as long again as C 3 . 



20 (21). Face scarcely keeled; C 2 twice as long as C 3 ; greenish 



grey species ; X.4. perpendicular. 



(2607. griseola, Fin.) 



21 (20). Face sharply keeled ; C 2 about half as long again as 



C 8 ; X.4. slightly oblique. (2608. chrysostoma^Mg.) 



22 (19). C 2 and C 3 about equally long. 



23 (24). Third antennal joint wholly orange. 



(2609. nigripes, Ztt.) 



24 (23). Third antennal joint black, or only yellow beneath. 



25 (26). Fifth abdominal segment more than twice as long as 



the fourth ; legs mostly yellow. 



(2602. laticeps, Stnh.) 



26 (25). Fifth abdominal segment scarcely longer than the 



fourth ; legs mostly blackish. 



27 (28). Femora all black ; fore tibiae orange. 



(2603. flavilabris, Stnh.) 



28 (27). Femora with orange rings ; fore tibiae black. 



{fidvkeps, Stnh.) 



603. Atissa, Hal. 



1 (2). X.5. not clouded; antennae orange with the base 



brown. (2614. pygmcea, Hal.) 



2 (1). X.5. distinctly clouded ; antennae black, except the 



base of the third joint. (limosina, Beck.) 



w 



