I 



Rhaphiochaeta. 517 



a Vanessa-laiTYe with an egg, which had been seen deposited by 

 the species. 



Geographical distribution: — Eiirope down into France; towards 

 the north to northern Sweden, and in Finland. 



122. Rhapliiocliaeta B. B. 



Medium sized, greyish or yellowish pruinose species. Head 

 almost not broader than thorax, convex behind and puffed out 

 below, about as long as high. Frons rather broad, in male broader 

 than the eye and still broader in female, strongly protruding. Cheeks 

 broad and jowls about half the height of the eye. In both sexes ocellar 

 and inner and outer vertical bristles, and in female two orbital bristles. 

 Well developed postocellar and occipital bristles. Behind postocular 

 bristles a row of black hairs. Frontal bristles descending below inser- 

 tion of antennæ, the uppermost directed outwards. Cheeks hairy 

 on upper half. Vibrissæ not ascending. Eyes hairy. Epistoma retreating, 

 somewhat reflected below. Proboscis short. Palpi thread-like. Antennæ 

 inserted a little above middle of the eye, third joint not twice as long 

 as second; arista short, short-pubescent; second joint short. Thorax 

 a little rectangular; three postsutural dorsocentrals and three præ- 

 and three postsutural acrostichals; no præsutural intraalar bristle. 

 Scutellum with four marginal bristles on each side, the apical small, 

 Crossing; also the lateral small. Three sternopleural bristles. Ab- 

 domen with excavation on second segment reaching hind margin, 

 and with discai and marginal bristles, on second segment a pair of 

 marginal; fifth segment with bristles all over. Legs with long bristles; 

 claws and pulvilli elongated in male. Wings with first posterior cell 

 narrowly open or just closed, ending somewhat before apex of wing; 

 discai angle obtuse; no costal spine. 



Of the genus only one species is known, also occurring in Den- 

 mark. 



1. R. breviseta Zett. 



1838. Zett. Ins. Lapp. 645, 49 et 1844. Dipt. Scand. III, 1137, 135 {Ta- 

 china). — 1862. Schin. F. A. I, 450 {Nemoraea). — 1889. B. B. Denkschr. Akad. 

 Wiss. Wien, LVI, 116. — 1907. Kat. palåarkt. Dipt. III, 518. — 1924. Stein, 

 Arch. f. Naturgesch. 90, 6, 226. 



Of this species I have seen only the female. Frons about double 

 as broad as the eye. Orbits greyish, cheeks greyish silvery, inter- 



