CHIKONOMUS. 191 



brown, the red whitish. Halteres whitish. Lefj-i broicn, slender, mo- 

 derately long. 

 Not rare^ (E.) 



177. appositus, n. Mas., niger, alls albidis sublinipidis, venis 

 halterib usque albis, illis apud costam testaceis, ahdomine nigro-fusco, pe- 

 dihus obscure fuscis. Long. 2J; alar. 4 lin. 



Male. Black. Antennae with black plumes. Wings whitish, nearly 

 limpid ; costal, radial, and cubital veins testaceous, the rest white. Hal- 

 teres white. Abdomen blackish-brown. Let/s dark brown, long, slender, 

 pubescent. 



Not common. (E.) 



178. perexilis, n. Fosm,. pallide testacens, alis albo-limpidis, 

 venis halteribusque albis, pedibus testaceis breviusculis. Long, i ; 

 alar. 1 lin. 



Fern. Pale testaceous. Wings limpid-white ; veins and halteres 

 white. Legs pale testaceous, rather short and stout. 

 Rare. In the British Museum. (E.) 



179. byssinus, Schr. F. B. iii. 2330 (1798); Meig. ; Mcq. ; 

 Zett. ; Gim. ; Stteg. Mas et Fwm. ater, alis lacteo-albis basi nigris, 

 venis albis, halleribus pedibusque nirjris, his validiusculis. Long. 1-1^ ; 

 alar. 2 lin. 



Male and Fem. Deep black. Wbujs milky -white, black at the base; 

 veins white. Halteres black. Abdomen slightly pubescent. Legs 

 black, rather stout. Male. Plumes of the antenua3 black, whitish to- 

 wards the tips. 



Generally distributed. (E. S. I.) 



180. minimus, Meig. Zw. i. 47. 61 (1818); Mcq.; Stajg. ; Zett. 

 Mas et Foim. ater, alis albo-limpidis, venis halteribusque albidis, pedibus 

 ni(/ro-piceis. Long. ^ ; alar. 1|- lin. 



Male and Fem. Deep black. Wings limp)id-white ; veins and halteres 

 whitish. Legs piceous-black, pubescent. 

 Not rare. (E.) 



181. compertus, n. Fcem. niger, alis snbcinereis, venis albidis 

 apud costam. testaceis, halleribus nigricantihus, pedibus ferrugineis, tarsis 

 nigris. Long. \\; alar. 2 lin. 



Fem. Black. Wings greyish ; costal, radial, and cubital veins testace- 

 ous, the rest tchitish. Halteres blackish. Legs ferruginous ; tarsi black. 

 Not common. (E.) 



182. contingens, n. Mas, niger, alis limpidis, halleribus venis- 

 que albidis, illis apud costam testaceis, jjedibus fuscis. Long. 1\ ; alar. 

 2 lin. 



Male. Black. Antennre with black plumes. Wings limpid ; costal, 

 radial, and cubital veins testaceous, the rest tchitisJi. Halteres whitish. 

 Abdomen slightly pubescent. Legs brown. 



Not rare. (K.) 



