LIST OF DIPTERA. 967 



Cenosia, Meigen. 



A. Feeler-bristle hairy. 



Cenosia fungorum, Meig. Dipt. v. 211, 1. Musca fungorum, JDeg. 



Ins. vi. 42, 18, pi. 5, /. 1—7. Fall. Muse. 89, 121. 

 a. England. 



Cenosia tigrina, Meig. Dipt. v. 212, 2. Macq. Hist. Nat. Dipt. ii. 

 344, 1. Musca tigrina, Fabr. Sp. Ins. ii. 444, 42. Ent. Syst. 

 iv. 322, 42. Syst. Antl. 297, 66. Turt. iii. 602. M. rapax, 

 Stew. El. ii. 260. M. quadrum, Fall. Muse. 80, 99. Caricea 

 communis, Desv. Essai Myod. 531, 2. Anthomyza tigrina? 

 Zett. Dipt. Scand. iv. 1712, 89. 



a. England. 



b. Aix-la-Chapelle. Presented by F. Walker, Esq. 



c. France. 



Cenosia Alete, n. s., fem. Nigro-cinerea, capite cano, abdominis 

 segmenlorum marginibus posticis fulvis, palpis fulvis, antennis 

 pedibusque nigris, femoribus apice tibiisque basi fulvis, alis 

 cinereis. 



Body black, rather narrow : head hoary; epistoma not promi- 

 nent ; crown black ; sides of the face without bristles : eyes bright 

 red ; fore part flat, its facets much larger than those elsewhere : 

 sucker black, clothed at the tip with a few tawny hairs ; palpi taw- 

 ny, club-shaped, clothed with short black hairs: feelers black, 

 nearly as long as the face ; third joint about thrice the length of the 

 second, linear, rounded at the tip ; bristle nearly twice the length of 

 the third joint, deeply feathered, stout near the base, very slender 

 towards the tip : chest and abdomen slightly tinged with bluish 

 gray : abdomen nearly cylindrical, a little longer than the chest ; 

 hind borders of the segments tawny : legs black, stout, clothed with 

 black hairs and bristles ; tips of the thighs and shanks towards the 

 base tawny : wings gray, rather narrow ; wing-ribs and veins black ; 

 tip cross-vein straight ; third longitudinal vein very slightly curved 

 outward near the tip, which joins the border at the tip of the wing ; 

 scales white, with yellow borders, rather large, the lower twice the 

 length of the upper ; poisers tawny. Length of the body 3 lines ; 

 of the wings 5 lines. 

 a. Egypt. Presented by Sir Gardner Wilkinson. 



C&nosia spinosa, Barnston y s MSS., fem. Cinerea, capite cano, 

 palpis antennisque nigris, articulo 2° apice ferrugineo, pedibus 



Body black, with a gray covering, clothed with black hairs and 

 bristles : head adorned with a hoary covering, which has a tawny 



4 P 2 



