240 Mr. E. Saunders' Sijno2)sis of British 



(9) 6. Prothorax posteriorly very deeply and sharply 

 angulated; cubital nervure of front wings in 

 ^ quite reaching, in J nearly, reaching, the 

 apical margin ; ventral apical segment in J 

 not carinated. 

 (8) V. (J legs black, except margin of front tibiae, ventral 

 apical segment broader; J wings full and long ; 

 both sexes with the extern o-medial nei-vure 

 distinctly bisinuate where it crosses the base 

 of the 1st submarginal and 2nd discoidal cells exaltatus. 

 (7) 8. ^ legs more or less red, ventral apical segment 

 narrower; J wings shorter; both sexes with 

 the externo-niedial nervure almost describing 

 a continuous curve . . . . . . . . notatus. 



(6) &. Prothorax less deeply angulated ; cubital nervure 

 in both sexes not nearly reaching the apical 

 margin of the wings ; ventral apical segment 

 in 5 carinated. 



(13) 10. ^ with the sides of the apical ventral segment 

 fimbriated, or with a central pilose carina; J 

 with a clear round white hyaline spot near the 

 apex of the front wings. 



(13) 11. (J sides of anal segment beneath not fimbriated, 

 apex entire, centre with a pilose carina ; J 

 larger than next species, femora and tibiae 

 more or less red, apex of clypeus shining . . obtiim'entris. 



(11) 12. ^ sides of anal segment beneath fimbriated with 

 long black hairs, apex deejijly notched, centre 

 depressed; J smaller than preceding, legs 

 entirely black, clypeus dull at the apex . . 2^'^^^i'^^^^^- 



(10) 1."!. (^ apical segment very narrow, with the sides 

 not fimbriated, and centre without a jiilose 

 carina; $ without a clear round apical spot 

 to the wings . . . . . . . . . . parculus. 



(5) 11. Upper wings in J with a distinct sharply de- 

 fined brown spot covering the marginal, 2nd 

 and 3rd submarginals, and part of the 3rd dis- 

 coidal cell ; (^ with the femora more or less 

 red, and the abdomen black . . . . . . hyalinahis. 



1. fuscus, Linn. Faun. Suec. Ed. Alt. p. 412i=sepicola, 

 Smith. Fig. Panz. Faun. Germ. Ixv. 15. 



Head and thorax black, with black bristly hairs ; meta- 

 thorax pilose ; 1st, 2nd, and 3rd segments of abdomen 

 red, the rest black ; legs black ; anterior tibise in the ^ 

 testaceous in front. 



(? , vertex of head distinctly punctured ; prothorax 

 angulately emarginate posteriorly ; wings dusky towards 

 the apex, with a transverse stain across the 2nd and 

 3rd submarginal cells ; metathorax evenly rounded, 

 opaque, with very fine erect hairs ; abdomen elongate- 

 ovate, somewhat shining, apical segment beneath deeply 

 emarginate, fringed at the sides. Length 12 mill. 



