504 



Tachinidae. 



is seen. Fifth sternite noi, large, cleft about to middle, the lamellæ 

 short, rounded. Genitalia of medium gize; præhypopygial segment 

 shining, this and hypopygium with backwards directed long hairs. 

 Upper forceps lancet-shaped, straight, only slightly broad above, 

 and incised in basal margin; it is triangularly attenuating towards 

 apex whicli is not gharp pointed; on the posterior surface it is hairy, 

 the hairs long on basal half, short towards the apex; arms of lower 

 forceps robust, straight in profile, rather broad, and rounded at the 

 end; they are hairy on outer surface; at the base they are covered 

 by the posterior lateral part of the hypopygium, which is marked off 



Fig. 111. E. rudis, upper and lower 

 forceps from behind. 



Fig. 112. E. rudis upper and 

 lower forceps in profile. 



from the upper part by an excision behind, but is not quite separated 

 as the scale-Hke piece in other species; upper and lower forceps of 

 same length. Legs black; posterior femora wdthout strong bristles; 

 anterior tarsi with the three last joints short, broad and cordiforme; 

 claws and pulvilli very elongated. Wings slightly tinged, but yellow 

 or brownish at base; veins brownish black, medial cross- vein more 

 or less clouded; first posterior cell ending near apex of wing; discai 

 angle without or with a minute veinlet. Squamulæ whitish. H alteres 

 yellow. 



Female. Similar; frons as broad as the eye; ocellar and outer 

 and inner vertical bristles present. Abdomen without reddish markings ; 

 front tarsi with the four last joints rather much dilated. 



Length 10 to about 13 mm. 



E. rudis is common in Denmark; Frederiksberg Have, Ordrup, 

 Dyrehaven, Geel Skov, Ørholm, Hillerød, Tisvilde, Jægerspris, 

 Jyderup, Sorø; in Jutland at Sønderborg, Madeskov, Skanderborg 

 and Hald, and on Bornholm at Sandvig; the dates are ^^/s — ^^7. It 



