DURHAM DtPTERA. 1 65 



XXVII. 269. 



42 (41). Stigma fully reaching V.I .a. 



43 (50). Thorax pubescent, mid femora with pale pubescence 



behind, legs dark. 



44 (45). Thorax shining; under and hinder side of all femora 



shining. (i4°7- varipes, Mg.) 



45 (44). Thorax dull. 



46 (47). Small species, 3^-4^ mm. Legs dark, under side of 



fore and mid femora and hinder side of hind 

 femora shining. 



1408. Pipunculus campestris, Ltr. 

 Hesleden, 1 $ and 1 $, August, 1900; Bishop Auck- 

 land, 1 ?, 9-9-02. 



47 (46). Larger species, 4^-5^ mm. Legs often paler. 



48 (49). Under side of all femora shining ; male genitalia 



almost normal. 



1409. Piptmcuhis pratorum, Fin. 

 Hesleden, 2 ?, August, 1902. 



49 (48). Femora all grey-dusted, not shining beneath ; male 



genitalia with an extraordinary keel. 



(14 10. carinatns, Verr.) 

 60 (43). Thorax bare, mid femora almost bare behind, legs 

 mainly yellow. 



51 (54). Large species, 3I-4 mm., with long wings. 



52 (53). Fore femora partly dark, wings very long. 



(141 1. vittipes, Ztt.) 



53 (52). Fore femora all yellow, wings rather shorter, hind 



tibiae with 2-3 conspicuous black bristly hairs 

 about the middle. (141 2. flavipes, Mg.) 



54 (51). Small species, 3^ mm., with moderately long wings. 



55 (56) (57). Femora of the female with a short incomplete 



dark ring. ( I 4 I 3- strobli, Verr.) 



56 (55) (57). All femora with a black streak above, and the 



hind femora with another behind. 



(1414. strigulipes, Verr.) 



57 (55) (56). Legs entirely yellow. (141 5. seminitidus, Beck.) 



