92 EMPIDJE. 



7. brnnnipennis, Mg. zw. iii. 32. 30. (1822); Ct. Nigra, alls 

 fuscis, halteribus fulvis, pedibus non clavatis vix ciliatis. Long. l|-2 ; 

 alar. 3^-4^- lin. 



Black, slightly shining, very slightly tinged with grey, thinly clothed 

 with black hairs and bristles. First and second joints of the antennae 

 clothed with short black hairs ; third longer than the first and second ; 

 fourth much more than half the length of the third. Wings brown ; 

 stigma dark brown ; veins black. Halteres tawny. Male. Hind legs 

 slightly ciliated, not clavate. Fern. Hind legs hardly ciliated. 



Not rare. (E.) 



8. Bistortse, Mg. zw. iii. 29. 22(1822); Mq.; Ct. Cinerea, 

 antennis nigris, thorace fusco-quinquevittato, alls limpidis, halteribus 

 flavis, pedibus nigro-fuscis, tarsis nigris. Long. 2 ; alar. 44 lin. 



Grey, thinly clothed with black hairs. Lancets dark ferruginous. 

 Palpi pale yellow. Antennae black; first and second joints clothed 

 with short black hairs ; third much longer than the first and second ; 

 fifth more than half the length of the third. Thorax with 5 brown 

 stripes. Wings colourless ; no stigma ; veins black, yellow towards the 

 base. Halteres pale yellow. Legs dark brown; tarsi black. Male. 

 Hind tibiae slightly clavate. Hind metatarsi slightly dilated. 



Generally distributed. (E. S.) 



9. chioptera, Tin. d. s. emp. 21. 31 (1815); Mg.; Mq. ; Ztt.; 

 Ct. crassipes, Shr. dnerea, antennis halteribus pedibusque nigris; 

 Mas. alis lacteis; Foem. alis cinereis. Long. 1^-li; alar. 3-3^ lin. 



Gri'ey, clothed with white hairs and a few black bristles. Proboscis 

 and lancets black. Antennae black ; first and second joints thinly 

 clothed with short black hairs ; third conical, longer than the first and 

 second ; fourth and fifth like a short spine, not more than one-fourth 

 of the length of the third. Halteres black. Legs black, thinly clothed 

 with whitish hairs. Male. Wings milk-white ; fore border black along 

 nearly half the length to the tip ; veins pale yellow. Fore metatarsi 

 and hind metatarsi dilated, fusiform. Fern. Wings grey ; veins black, 

 tawny towards the base. Hinder femora compressed, fringed. 



Generally distributed; appears in the spring. (E. S. I.) 



10. decora, Mg. zw. iii. 22. 9. pi. 22. f. 8 (1822); Mq.; Ct. Ci- 

 nerea, antennis nigris, alis limpidis, venis basifiavis, abdomine pedibusque 

 nigris. Long. 2^-3 ; alar. 6 lin. 



Grey, clothed with white hairs. Proboscis black, much more than 

 half the length of the body. Antennae black. Wings colourless ; veins 

 bright yellow towards the base. Halteres yellow. Abdomen and legs 

 black, shining. Male. Tip of the abdomen clothed beneath with tawny 

 hairs. Fern. Legs fringed with black hairs. 



Bare. In Mr. Stephens's collection. (E.) 



11. pennipes, L. s. n. ii. 1003. 2 (1763); Fb.; Pz. ! fn. kxiv. 



