SYNOPSIS OF THE BRITISH PSOCID^. 25 



7. Ps. iMMAcuLATUS,/'Steph. 111. 125, 30; Ps. rvfescens, 



Steph. 111. 125;. 31 (immature); Ps. Jiavescens, 

 Steph. 111. 125, 32; Ps. 7iervosus, Steph. 111. 126, 

 36; Ps. venosuSf Steph. 111. 121, 17; Ps. strigosus, 

 Brauer, Neur. Austr. 33. 



Yellow-brown ; head yellow, in the middle, near the 

 eyes, and towards the mouth, dark brown ; antennae 

 long', black, the basal joints yellow ; thoi-ax black- 

 brown ; abdomen yellow ; legs yellow, tarsi darker; 

 wings hyaline, veins yellowish ; pterostigma long, 

 narrow, whitish yellow. 



Length 2g — 3 lin. ; exp. 4—5 lin. 



Hah. Near London^ Ripley, Hertford, Suffolk, June 

 and July. 



** Ptei'ostigma not united with the fork-branch, 



f Discoidal cell open. 



X Posterior marginal cell wanting. 



8. Ps. PH.^oPTERUS,' Steph. 111. 127, 39; Ps. nigri- 



cornis, Steph. 111. 126, 38. 



Red-brown ; head and antennae black ; legs brownish, 

 tarsi darker ; wings ash-grey, veins brown ; ptero- 

 stigma somewhat darker, narrow, slightly rounded. 



Length 2 lin. ; exp. 3 lin. 



JEab. Near London, Hertford, June. 



9. Ps. PUPILLATUS, Walk. Catal. 493, 40. 

 Pitch-black; antennae shorter than the wings, their base 



fawn-coloured ; legs pale brown, tarsi darker ; an- 

 terior wings grey, in each cell large brown spots, 

 some with white margins, some with white centres ; 



