CHYLIZA. 219 



Genus IV. CHYLIZA. 



CHYLIZA, Fal. Opomyz. (1820); Meig. ; Mcq. ; Zett. Sargus p., F. 



Musca p., Pz. Dasyna, Desv. 

 Corpus angustum, sat longum. Caput transversum. Antennae epistoma 



attingentes ; articulus tertius secundo duplo longior. Ala3 mediocres. 



Abdomen thorace longius. Pedes graciles. Mas. Abdomen lineare. 



Foem. Abdomen fusiforme. 



Body narrow, rather long, pubescent, not bristly. Head short. 

 Front nearly flat. Face vertical. Epistoma and peristoma not promi- 

 nent. Antenna reaching the epistoma ; third joint conical, about twice the 

 length of the second ; sixth setiform, slender, pubescent, twice the length 

 of the third. Thorax elongate-subquadrate. Wings moderate ; costal 

 vein ending on the hind border very near the tip of the wing ; subcos- 

 tal ending before half the length ; radial ending at about seven-eighths 

 of the length; prsebrachial diverging from the cubital between the 

 transverse veins, very slightly converging to it from the discal trans- 

 verse to the border ; discal transverse straight and upright, parted by 

 more than twice its length from the prasbrachial transverse, and by full 

 half its length from the border. Abdomen longer than the thorax. 

 Legs slender, pubescent, without bristles. Male. Abdomen linear. 

 Fern. Abdomen fusiform. 



1. scutellata, F. E. S. Suppl. 567. 5 (\W$).leptogaster, Pz. ! 

 Fn. liv. 19; Fal.; Meig.; Mcq.; Zett. Nigra, capite antice sub- 

 tusque flavo, antennis fulvis basi supra fuscis, scutello fulvo, alis lim- 

 pidis, pedibus flavis. Long. 3 ; alar. 6 lin. 



Black, slightly pubescent. Head yellow in front and beneath, and 

 with a transverse tawny spot behind the ocelli. Antennas tawny, brown 

 above towards the base ; sixth joint black. Scutellum tawny. Wings 

 limpid, brown at the tips. Halteres whitish. Legs yellow. 



Not common. (E.) 



The following additional species have been recorded as British: 

 1. atriseta, Meig. 2. annulipes, Mcq. 



Genus V. PSILA. 



PSILA, Meig. Zw. v. 35 (1826) ; Zett. Musca p., F. E. S. ; Gmel. ; 

 Schr. I. A. ; Schell. ; Pz. Tephritis p., F. S. A. Scatophaga p., 

 F. S. A., Fal. Volucella p., Schr. Psilomyia, Latr. ; Mcq. Oblicia, 

 Desv. 



Corpus sublineare, sat longum. Caput non longum. Facies valde ob- 

 liqua. Antennae breves; articulus tertius secundo paullo longior. 



