198 MUSCIDJE. 



Genus IV. TRYPETA. 



TRYPETA, Meig. Illig. Mag. ii. 277. 94 (1802) ; Loew. Musca p., 

 F. E. S. ; Schr. I. A. ; Gmel. ; Pz. Scatophaga p., F. S. A. Dacus 

 p., F. S. A. Dictya p., F. Trupanea p., Schr. F. B. Tephritis, 

 Latr. ; F. S. A. ; Pz. ; Fal. ; Mcq. ; Zett. ; Westw. Aciphorea, 

 Desv. Tephritites, Newm. 



Corpus oblongum. Facies carinata. Oculi metallici. Palpi graciles. 

 Antennarum articulus tertius secundo plus minusve longior ; sextus 

 plerumque pubescens. Fcem. Oviductus sapissime depressus aut cylin- 

 dricus. 



Body oblong, with a few hairs and bristles. Face keeled. Eyes 

 metallic-coloured. Palpi slender. Antennae moderately long; third 

 joint more or less longer than the second ; sixth very generally pubes- 

 cent. Costal vein ending on the hind border near the tip of the wing ; 

 subcostal ending beyond one-third of the length; mediastinal ending 

 beyond half the length ; cubital ending at the tip. Fern. Oviduct gene- 

 rally flat, obconical; in some species cylindrical. 



The larvae of Trypeta live in the interior of vegetables, and 

 several of them form galls. The flies are remarkable for the bril- 

 liant colours of their eyes. They may be grouped thus : 

 a. Discal transverse vein very oblique. Species 1. 

 a a. Discal transverse vein nearly or quite upright. 

 b. Arista bare. Species 2. 

 b b. Arista pubescent. 



c. Abdomen more or less cylindrical. Oviduct not exserted. Spe- 

 cies 3-5. 

 c c. Abdomen not cylindrical. Oviduct exserted. 



d. Wings immaculate, or slightly spotted. Ensina, Desv. 



(Myopites, De Brebisson), et Terellia, Desv. Species 6, 7. 

 d d. Wings spotted. Terellia, Desv., et Forellia, Desv. Sp. 8, 9. 

 d d d. Wings with spots in front, and a single band. Splie- 



nilla, Desv. Species 10. 

 d d d d. Wings brown or black, with limpid dots. Nceeta, 



Desv. Species 11. 

 d d d d d. Wings with dotted bands. Acinia, Desv., et Urellia, 



Desv. Species 12-17. 

 d d d d d d. Wings with ferruginous grey-bordered bands. 



TepUtis, Desv. Species 18, 19. 

 d d d d d d d. Wings with brown or black bands. Urophora, 



Desv. Species 20-22. 



1. Gsedii, Meig. Zw. vi. 382. 64 (1830). -purmundm, Harr. Ni- 

 gra, capite antennis scutello corpore subtus pedibusque testaceis, alis 

 limpidis macula basali limpido-guttata radiisque quatuor fuscis. Long. 

 2 ; alar. 5 lin. 



