60 



Black, shining. Head clothed in front with shining yellowish-white 

 down; epistoma beset with yellowish-white bristles. Thorax with 

 3 grey stripes, more or less ferruginous on each side. Wings colourless ; 

 veins piceous, tawny towards the base and along the fore border. 

 Halteres tawny. Hind borders of the abdominal segments ferruginous. 

 Legs tawny ; tibia towards the tips and tarsi piceous. 



Bare. In the collections of Mr. Desvignes and of Mr. Stephens. 

 (E.) 



3. rufipes, Dg. i. vi. 97. 6 (1752); Mg. ; Mq. ; Ztt. ; Lw. 

 frontalis, Mg. kl. ; Fb. ; IA.fampes var., Fin. Nigra, thorace cano- 

 bivittato, lateribus jlavo-albo notatis, alis fulvo-subcinereis, pedibus 

 runs, tarsorum articulis apice pedibusyue posticis nigris. Long. 5-7 ; 

 alar. 8-10 lin. 



Black, shining. Head with a shining pale yellow covering, clothed 

 beneath and behind with whitish hairs. Epistoma convex, clothed 

 with long pale yellow hairs. Palpi clothed with tawny hairs. First, 

 second, and the base of the third joint of the antennae clothed with 

 black hairs. Thorax clothed with short tawny hairs, with 2 hoary 

 stripes on the back, and with some yelloicish-white shining marks on each 

 side. Wings pale grey, with a very slight tawny tinge ; veins black, 

 tawny at the base. Halteres yellow. Legs red, clothed with short 

 tawny hairs ; tibiae and tarsi armed with a few tawny spines ; tips of 

 the joints of the tarsi and of the claws black ; hind legs black ; femora 

 and tibia red at tlie base. 



Generally distributed. (E.) 



4. flavipes, Mg. kl. i. 257. 2 (1804) ; Fin. ; Mq.; Ztt. ; Lw. hya- 

 lipennis, Fb. varipes, Mg. ; Mq. ; -frontalis, Mg. ; Mq. rufipes, Zll. ; 

 Lw. Nigra, thorace cinereo-trimttato, alis limpidis, abdominis segmentis 

 apice fulvis, pedibus fiavis nigro-variis, tarsis fulvis ; Mas. abdomine 

 segmentis tertio et quarto basi fulvis. Long. 4-5 ; alar. 8-10 lin. 



Black, shining. Head clothed beneath and behind with short white 

 hairs. Epistoma almost flat, silvery, beset with a few bristles. Palpi 

 clothed with a few black hairs. First, second, and the base of the 

 third joint of the antennae clothed with a few short black hairs. Thorax 

 with 3 cinereous stripe*, the middle one narrow and linear, the other 2 

 broad and irregular ; sides cinereous. Wings colourless ; veins black, 

 yellow towards the base. Halteres yellow. Abdomen very slender ; 

 hind borders of tJie segments tawny. Legs yellow, armed with a few 

 yellow spines ; tarsi tawny tips of the claws black ; hind legs thickly 

 clothed beneath with short pale yellow hairs ; hind femora striped 

 with black above, with brown beneath ; hind tibiae black, yellow at the 

 base. Male. Third and fourth abdominal segments tawny at the base ; 

 appendages tawny. 



Generally distributed. (E.) 



