494 



Tachinidae. 



grey, with yellow hairs and rows of black hairs behind postocular 

 bristles. Eyes with pale hairs. Antennæ inserted a littlo above middle 

 of the eye, black; third joint nearly one and a half times longer than 

 second, a little dilated outwards; arista thickened in less than basal 

 half, second joint short. Palpi black. Thorax black, somewhat shining, 

 greyish pruinose on front part, and here with foiir stripes, the middle 

 diverging; scutellum black or more or less reddish. Thorax black- 

 haired; three postsutural dorsocentrals and two præ- and three post- 

 sutural acrostichals. Scutellum with four marginal bristles on each 

 side, the apical the smaller, crossing; the thoracic bristles strong. 

 Abdomen black, somewhat shining, sometimes 

 reddish at the sides; third, fourth and fifth seg- 

 ment with a broad, whitish pruinose front band, 

 both above and below, occupying nearly the 

 whole segment. Abdomen black-haired; third 

 and fourth segment with a pair of discai and 

 marginal bristles, fifth with bristles on most 

 part, among which a pair of distinct discai bristles ; 

 all bristles strong. Fifth sternite with a pointed 

 excision in apical third, the lamellæ triangular, 

 the point drawn out inwardly; the lamellæ have 

 long hairs. Genitalia not small, rather like those 

 in vivida. Præhypopygial segment shining, with 

 bristly hairs. Hypopygium with bristly hairs 

 behind and on the sides; upper and lower forceps 

 shorter than in vivida and of about equal length; 

 the upper somewhat S-like curved, without middle 

 furrow and thus the triangular tooth at base 

 single; the arms of lower forceps less claw-like, obtuse at end and 

 here a httle bifid. Legs black, with strong bristles. Wings brownish 

 tinged; veins brownish black, a little seamed with brown; discai 

 angle without veinlet; bristles at base of cubital vein not small. Squa- 

 mulæ white. Halteres yellowish to brownish. 



Female. Similar; frons broader, but not as broad as the eye; 

 fourth abdominal segment with a row of marginal bristles; front 

 tarsi with three last joints dilated. 

 Length 9,5 — 11 mm. 



E. connivens is more common in Denmark than the preceding; 

 Ordrup, Dyrehaven, Hellebæk, Jægerspris and at Stensby; on Lange- 

 land at Lohals; on Lolland at Bremersvold and Christianssæde ; 

 in Jutland at Sønderborg, Høruphav and Sandager and on Bornholm 



Fig. 106. E. conni- 

 vens, lower forceps 

 with scale-like 

 piece, and basal 

 tooth of upper 

 forceps. 



