522 Tachinidae. 



tinged, especially towards anterior margin; veins brown. Squamulæ 

 whitisli. H alteres yellow. 



Female. Similar; i'rons as broad as the eye. Abdomen without 

 red spots. 



Length 6,5 — 7,5 mm. 



R. prolixa seems very rare in Denmark, we have only four spec- 

 imens, a male and three females; Ordrup and Tisvilde; the dates are 

 in June. 



Geographical distribution: — Europe; towards the north to 

 northern Scandinavia, and in Finland. It seems most common in 

 the northern regions. 



125. Aphria R. D. 



Medium sized species of black colour, with greyish pruinosity 

 and red side spots on abdomen. Head a little broader than thorax, 

 a little convex behind and somewhat puffed out below, a little higher 

 than long. Frons broad in both sexes, broadest in female, somewhat 

 protruding. Jowls about one third of the height of the eye. In both sexes 

 ocellar, inner but no outer vertical, and in female two orbital bristles. 

 Large postocellar and occipital bristles. Behind postocular bristles 

 a row of black hairs. Frontal bristles reaching fully to end of second 

 antennal joint, two or three uppermost reclinate in both sexes. 

 Cheeks bare. Vibrissæ not or slightly ascending. Eyes bare. Epistoma 

 a little retreating and somewhat reflected and protruding below. 

 Oral cone and proboscis long, the latter considerably longer than the 

 former, slender; labella small; palpi thread-like. Antennæ inserted 

 above middle of the eye, third joint not one and a half times as long 

 as second, somewhat dilated; arista apparently bare, with second 

 joint elongated. Thorax a little rectangular; three postsutural dorso- 

 centrals and two præ- and only præscutellar postsutural acrostichals; 

 no præsutural intraalar bristle; one posthumeral bristle. Scutellum 

 with three marginal bristles on each side, the apical the smaller, 

 Crossing. Three sternopleural bristles. Pteropleura above with small 

 hairs and a small bristle. Abdomen elongated conical; excavation 

 on second segment reaching hind margin; only marginal bristles, 

 on second segment none; fifth segment with bristles on whole apical 

 half. Genitalia small; upper forceps spine-like, arms of lower forceps 

 broad at base, as long as upper forceps. Fifth sternite cleft to near 

 base. Legs long and slender; claws and pulvilli in male elongated. 



