. 1 Momxjraph o/ hUjypIidu Diptcra. 75 



11. TERELLIA, Kuiuneau-Uesvoiuy. 



Rob.-Desv., Myod., 758. (1830). 

 Orellia, Rob.-Desv., Myod., 765. X. (1830) 

 Sitarea Rob.-Desv., Myod., 764. (1830), 

 Cerajocera, Rond., Dipterol. ital. Prodr., I. 111. 16. (1856). 

 Try-peta Lw.. Trvpetid., 51. XII. (1862). 

 Ceriocera, Rond., Dipterol. Ital. Prodr., VII. Tephrit. 31. X. 

 (1870). 



Distinguished hy the wiiig.s which are u.sually withmit auy iiiar- 

 kiiigs and occasionally baiided or spotted;by M cell whieh is always 

 longer than the inferior angle of Cii cell and by the four scutellar 

 bristles. 



Head broader than high ; frons l)road, not prominent or very 

 slightly so; face short, concave; cheeks fairly broad or narrow; epis- 

 toma more or less prominent; proboscis short not geniculate; palpi 

 small, flat and bristly at end ; vertex broad ; antennae usually short, 

 not reaching the epistoma, the third joint ronnded beneàth and 

 gradually tapering to the tip, but it may be more elongated and in 

 this case it is rounded at the apex; s. or. 2, i.or.3 or 2; oc. strong; 

 pvt. parallel or diverging; orp. and genal bristle well developed. 



Thorax with a complète chaetotaxy; de. 2 to 4; 2 to 1 strong 

 mpl.; .fcp. présent or ob.solete; scutellum with 4 bristles. Abdomen 

 elongated, convex, with latéral and apical bristles which are usual- 

 ly short; female ovipositor corneous, flattened and usuallv rather 

 long. 



Wings comparatively small, almost always entirely hyaline (in 

 the species hère described), sometimes clouded with white or opaque, 

 sometimes they may be with transverse bands^ ail the veins are 

 usually straight; R2 + 3 and R4 + 5 nearly always parallel at the 

 apex and the latter always bare; radio-median cross-vein placed 

 after or at the middle of l.st M2 cell ; inferior angle of Cu cell drawn 

 out into a short but pointed angle which is shorter than M cell; 

 costal bristle weak to well developed. 



TYPE : Musca s^erratulae Linnaeus (1758). 



This genus is now takea by Bezzi and Hendel in the sensé of 



