12 MUSCID^E. 



Genus V. BUCENTES. 



BUCENTES, Latr. G. C. iv. 339 (1809). Musca p., D. G. Stomoxys 



p., F. ; Fal. Siphona, Meig. ; Mcq. ; Westw. ; Zett. Syphona, 



Desv. 

 Proboscis elongata, gracilis,filiformis, basi medioque yeniculata. Antennae 



subdeflexae, articulis primo et secundo parvis, tertio elongato, linear!, 



obtuso. Arista nuda, triarticulata, geniculata. 



Proboscis long, slender, filiform, geniculated at the base and in the 

 middle. Antennae slightly deflected ; first and second joints short ; 

 third long, linear, obtuse ; fourth and fifth distinct ; sixth bare, form- 

 ing an angle with the fifth. 



1. geniculatus, D. G. I. vi. 20. 15 (1752); Fal. ; Meig.! Zw. 

 pi. 37. f. 25 ; Desv. ; Mcq. minutus, F. ; Pz. cinereus, Latr. ; Lam. ; 

 Meig. ; Desv. cristatus, tachinarius, F. nigro-vittatus, Meig. analis, 

 Meig. quadrinotatus, Desv. tristis, Desv. pusillus, Desv. fusci- 

 cornis, Desv. consimilis, Desv. analis, Desv. melanoceras, Desv. 

 testaceus, Desv. humeralis, Desv. sylvaticus, Desv. clausus, Desv. 

 Niger, capite testaceo supra fulvo-tomentoso subtus albo-tomentoso, 

 antennis basi fulvis, scutello apice testaceo, alis subcinereis, femoribus 

 tibiisque fulvis ; Mas, abdomine testaceo vitta dorsali apiceque nigris. 

 Long. lf-2i ; alar. 3-5 lin. 



Black. Head pale, testaceous, fawn-coloured above, white beneath ; 

 frontalia ferruginous ; palpi pale, testaceous ; facialia without bristles ; 

 epistoma not prominent ; eyes bare ; palpi short, tawny. Antennae 

 almost reaching the epistoma; first and second joints tawny; third 

 linear, rounded at the tip, of the male four times, of the female thrice 

 the length of the second ; sixth stout, much longer than the third. 

 Scutellum testaceous at the tip. Wings very slightly grey ; costal vein 

 ending hardly above the tip of the wing ; subcostal vein ending before 

 one-third of the length ; mediastinal vein ending a little beyond one- 

 third of the length ; radial vein ending at about five-sixths of the length ; 

 cubital vein ending at very little above the tip ; praebraehial vein form- 

 ing a gentle curve at its flexure, almost straight from thence to its tip, 

 which joins the tip of the costal ; discal transverse vein hardly curved 

 inward, parted from the border by very much more than its own leuglli. 

 Alulae whitish. Halteres testaceous. Legs tawny ; tarsi black. Ab- 

 domen of the male testaceous ; dorsal stripe and tip black. 

 Yery common. (E. S. I.) 



Genus VI. GONIA. 



GONIA, Meig. Zw. v. 1 . (1826) ; Mcq. ; Curt. ; Westw. ; Zett. Musca 

 p., D. G. Tachina p., Fal. VUqera, Meig. Zw. vii. Gonida, Desv. 



