66 DESCRIPTIONS OF THE 



Orellia. — Desvoidy. 



The very prominent borders of the peristoma will distinguish this 

 genus from all the other Tephritites. It resembles Ceratites in 

 shape and markings. 



Sp. 1. Orel. Wiedemanni. Yellow, thorax varied with 

 black, wings limpid, with four brown bands. (Fig. 7.) 



Trypeta Wiedemanni. Meig. Europ. Zweiflug. Ins. V. 320. 



15. PI. XLIX. fig. 2. 

 Orellia flavicans . . Desvoidy, Essai stir les Myodaires, 



765. 1. 



Head bright yellow above with a few bristles, the front ones black, 

 those behind white, paler beneath ; epistoma prominent ; mouth 

 bright yellow ; feelers not thickened ; antennae bright yellow ; 

 3d joint nearly oval, pointed and slightly turned upwards at the 

 tip ; 6th joint very downy ; thorax black, clothed with white 

 hairs and black bristles, smooth and shining behind ; scutellum 

 bordered with yellow, not hiding the metathorax, with a cross 

 yellow band behind, and nine yellow rays parting from the centre on 

 all sides ; these rays are sometimes very broad, and occupy nearly 

 the whole of the disk of the mesothorax ; metathorax dull greyish 

 black ; abdomen bright yellow, paler towards the tip, each seg- 

 ment with a black sometimes hardly seen spot on either side ; 

 telum rust-colour, very short ; legs deep yellow ; wings limpid 

 with four brown bands joined to the costa, and bordered with darker 

 colour, 1st very short, 2d rather longer and sometimes joined to 

 the 1st., 3d still longer, and reaching the lower border, 4th joined 

 to the 3d., and passing along the costa to the tip of the wing ; 

 nervures brown, yellow toward the base of the wing ; cross ner- 

 vures straight and upright ; poisers pale yellow. (Length of 

 body 2 lines ; of wings 3£ lines.) 



Found near London, but is not common. 



Tephritis. — Latreille. 



Colour green or brown : telum of female longer than half the 

 abdomen ; wings limpid with five light brown bands bordered with 

 darker colour. 



Body downy, clothed with white hairs ; head rounded, rust-colour 

 above, yellow beneath ; peristoma white, angular, not longer than 

 broad ; epistoma not prominent, slightly notched in the middle ; 

 mouth short ; 3d joint of antennae nearly cylindric ; scutellum 



