520 Tachinidae. 



thickened in more than basal half, piibescent. Palpi black, Thorax 

 black or bluish black, somewhat shining; it is slightly pruinose on 

 front part, with four indistinct black stripes, the median approximate,. 

 abbreviated behind; scutelliim dark. Thorax black-haired; the acro- 

 stichal rows of bristles approximate. Abdomen bluish black, shining^ 

 the three last segments with a greyish white, not broad pruinose 

 front band, somewhat shifting according to view and leaving the 

 hinder halves and an indistinct middle line black. Abdomen is black- 

 haired, second and third segment with a pair of discai and marginal 

 bristles, fourth with a pair of discai and a row of marginal; third 

 segment may show more marginal bristles. Legs black. Wings yellowish 

 tinged and with base yellow; veins yellowish brown; apical cross- vein 

 concave. Squamulæ yellowish with yellow margin. Halteres yellow. 



Length 10 mm. 



P. goniaeoides is very rare in Denmark, I know only one spec- 

 imen, a female, taken at Tisvilde on '/? 1^86 (Schlick). 



Geographical distribution: — Northern and middle Europe 

 down into France; towards the north to middle Sweden and Lapland. 



124. RHynchista Rond. 



Species of medium size, colour biackish, grey pruinose, in male 

 red side spots on abdomen. Head as broad as thorax, convex behind 

 and puffed out below, as long as high. Frons somewhat narrow in 

 male, broader in female, protruding. Jowls fully one third of the 

 height of the eye. Small ocellar and strong inner and outer vertical 

 bristles in both sexes, the inner crossing; in female two orbital bristles. 

 Small postocellar and occipital bristles. Postocular bristles strong, 

 behind them two rows of black hairs. Frontal bristles reaching about 

 to end of second antennal joint, the uppermost directed outwards and 

 in female the two next reclinate. Cheeks bare. Vibrissæ slightly 

 ascending. Eyes hairy. Epistoma low, very slightly retreating, re- 

 flected and well protruding below. Proboscis rather long and slender, 

 longer than oral cone, with small labella. Palpi thin and thread-like, 

 rather long. Antennæ inserted just below middle of the eye, not 

 reaching lower margin of epistoma, third joint not twice as long 

 as second; arista distinctly short-hairy, second joint short. Thorax 

 rectangular; three postsutural dorsocentrals and one or two præ- 

 sutural and a præscutellar pair of acrostichals; one posthumeral 

 bristle; no præsutural intraalar bristle. Scutellum with three mar- 



