128 DURHAM DIPTERA. 



XXIII. 218. 



66 (67). Thorax and scutellum dusted with orange. 



(1158. notata, Mg.) 



67 (66). Thorax grey with a light grey spot on the scutellum. 



(1152. fulvipes, Mg.) 



68 (10). Dorsum shining black. 



69 (74). Antennae shorter than the head. 



70 (73). Legs with more than the joints and tarsi dark. 



71 (72). Legs brown, the femora lighter. 



(1155. castanipes, Mg.) 



72 (71). Legs tawny, with the hind femora black. 



(1141. munda, Wlk.) 



73 (70). Legs nearly entirely yellow, only the last tarsal joint 



black. All femora equally thick, the mid femora 

 ciliated below. (1142. ciliaris, Fin.) 



74 (69). Antennas longer than the head. 



75 (78). Legs entirely yellow or orange. 



76 (77). Legs yellow, wings clear, veins pale, 3 mm. 



(1150. pallipes, Fin.) 



77 (76). Legs orange, wings greyish, veins dark, arista and 



halteres white, 2 mm. (n49- albtseta, Pz.) 



78 (75). Legs with at least part of the tarsi black. 



79 (82). Fore tibiae yellow. 



80 (81). Legs all yellow except the outer tarsal joints. 



(1148. pubicornis, Ztt.) 



81 (80). All tarsi wholly black, also a streak on the mid 



femora above, a ring on the tip of the hind 

 femora, and the tip of the hind tibiae dark. A 

 dark mark on the costa at the end of V.I .a. 



(1147. stigmatella, Ztt.) 



82 (79). Fore tibiae dark. 



83 (84). Mid and hind tibiae and metatarsi all pale. 



(1143. nigritarsis, Fin.) 



84 (88). Mid and hind tibiae at the tip and the metatarsi 



dark. (1146. comptus, Wlk.) 



