150 [June, 



ANNOTATED LIST OF BRITISH TACHINIIBJE. 

 BY E. 11. MEADE. 



{Continued from page 130). 



32— HYPOSTENA, Mgn. 

 Gen. cli. — Eyes nude, nearer together in males than females; 

 facial angle nearly straight ; fronto-orbital bristles extending to about 

 the end of second antennal joint ; facial bristles sometimes wanting, 

 sometimes extending half way up the facialia ; cheeks narrow and 

 nude ; antennae with the second joint rather short, and the third fully 

 four times as long ; arista sometimes pubescent ; abdomen oblongo- 

 cylindrical, with or without discal setae ; wings with the fourth vein 

 bent in a curve, and apical cross vein ending near the apex of the 

 wing, outer cross vein placed midway between the inner cross vein 

 and the bend of the fourth. The species are mostly small, black, 

 and glabrous. 



1 (2) Facialia bare, frontalia wide 1. jorocer a, Mgn. 



2 (1) Facialia ciliated, frontalia narrow 2. medorina, ^c\\x\y. 



H. PEOCEKA, Mgn., Schnr. 

 setiventris ?, Mcq. 

 incisuralis ?, Mcq. 

 cylindracea, Ztt. 

 chetigastra ?, Knd. 



Bright black ; frontalia wide in both sexes, frontal stripe wide and blact, sides 

 of frontalia with blue-black reflections ; facial setse few or none ; palpi yellow or 

 piceous ; antennae with third joint long and thick ; arista bare, thickened to about 

 the middle, where it becomes abruptly slender ; thorax with the shoulders cinereous ; 

 three post-sutural dorso-central bristles ; abdomen narrow, cylindrical, very long in 

 the male, with discal setee on the middle segments, which are very small and rather 

 indistinct in the female, sides of the segments with silvery-white reflections, forming 

 portions of interrupted transverse bands ; wings brown in the male, nearly white in 

 the female, apical and outer cross veins both nearly straight. "Very rare. 



H. MEDORINA, Schnr. 

 Bright black ; frontalia narrow, about one-sixth of the width of the head in 

 the male ; frontal stripe wide and piceous ; face very narrow and white ; facial setsa 

 small, but extending half way up the facialia ; antennae with second joint a little 

 elongated, the third slender, and about four times the length of the second ; arista 

 gradually thickened to about the middle, and slightly pubescent, with the second 

 joint a little prolonged ; palpi black ; thorax with the shoulders snowy-white, and 

 having a broken white line extending across the transverse suture ; three post- 

 sutural dorso-central bristles ; abdomen brownish-black, with small patches of white 

 reflections on the sides of the segments ; middle rings with small discal as well as 



