SYNOPSIS OF THE BRITISH PSOCID^. 27 



each cell a brownish spot, at the apical margin the 

 spots form a circular line ; pterostigraa much dilated 

 towards the apex, rounded, brown, hyaline in the 

 middle ; veins brown, conspicuously pubescent ; pos- 

 terior marginal cell semicircular. 



Length 2 lin. ; exp. 3 lin. 



Sab. Near London in the summer, not scarce. 



12. Ps. yiTTATUs, Dalm., Steph. 111. 122, 18; Ps.fenes- 



trains, Curtis, B. E. pi. 648. 



Black-brown, shining ; antennae and legs pale yellow ; 

 anterior wings hyaline, with a broad brown longi- 

 tudinal band, which, in the apical moiety, does not 

 touch the anterior and posterior margin ; pterostigma 

 much dilated towards the apex, brownish; veins 

 black-brown ; posterior wings grey, the apex of the 

 anterior margin hyaline; posterior marginal cell 

 almost elliptical. 



Length 2 lin. ; exp. 3J lin. 



Hah. Common near Dover in the summer, Ripley, 

 Hertford, Dorset. 



13. Ps. FLAViDus, Steph. 111. 122, 20; Ps. ochropterus, 



Steph. 111. 122, 19; Ps.Jiavicans, Steph. 111. 123, 

 21 ; Ps. ohsoletiis, Steph. Ill, 123, 22 (immature) ; 

 Ps. strigosus, Curt. B. E. pi. 648, 26. 

 Yellow-red ; crown and thorax above brown ; antennae 

 yellow, the basal joints and the apex brownish ; legs 

 yellow, tarsi darker; anterior wings hyaline, yel- 

 lowish ; all the veins, except at the anterior margin and 

 at the base, edged with brown; pterostigma long, 



