PsociD.i;. — psocus. 127 



legs deep piceous, with a tinge of red towards the inner base of the femora 

 and of the tibiae ; antennae deep bhick, and slightly pilose in the males ; 

 wings hyaline, fuscous; nervures and stigma darker. 



Taken in June at Hertford. 



Sp. 39. phseopterus. Rufo-piceus, antennis pedibusque pallidioribus, alis hyalinis 

 saturate fuscis, venis stigmateque saturatiorihus. (Long. corp. | — 1 lin. ; 

 Exp. Alar. 2^—3 lin.) 



Ps. phseopterus. Kirhy MSS.—Steph. Catal. 313. No. 3521. 



Pitchy-red: eyes blackish; legs and antennae pale pitchy-red, the latter 

 rather short, and slightly pilose in the males ; wings deep fuscous, hyaline, 

 with the nervures and stigma darker. 



In some examples there is a whitish fascia on the abdomen, and the extreme 

 edges of the segments are occasionally whitish. 



Also found at Hertford in June, and in other places within the 

 metropolitan district. 



Sp. 40. nigricans. Piceo-tesiaceus, pedibus pallidioribus, thorace abdomineque 

 supra nigricantibus, alis hyalinis, sublimpidis, nervis^ fuscis. (Long. corp. 

 f lin.; Exp. Alar. 2 lin.) 



Ps. nigricans. Kirby MSS.—Sfeph. Catal. 313. No. 3o22. 



Head pitchy-testaceous : thorax blackish above, the sides and beneath pitchy- 



or reddish-testaceous ; abdomen also pitchy-testaceous, beneath blackish ; 



legs pale testaceous ; antennae dusky ; wings hyaline, nearly limpid, the 



nervures fuscous ; stigma slightly fuscescent. 



Taken in the vicinity of London, and in Suffolk. 



Sp. 41. abdominalis. Fuscns, abdomiiiejlavo, ano nigro, alis hyalinis, antennis 

 brevioribus. (Long. corp. ^ lin.; Exp. Alar, li — If lin.) 



Ps. alxlominalis. Fabricius.—Stvph. Catal 313. No. 3523. 



Fuscous: abdomen pale yellow, with its tip black; wings hyaline, immacu- 

 late ; nervures fuscous ; legs and antennse pale, the latter short. 



Found near London in the summer. 



Sp. 42. dubius. Rufo-piceus, antennis pedibusque pallidioribus, abdominis dorso 



vittd nigricante, alis hyalinis, flavedine linctis, nervis subochraceo-fuscis. 



(Long. corp. 2i lin.; Exp. Alar. 1| lin.) 

 Ps. dubius. Steph. Catal. 313. No. 3524. 

 Pitchy-red : eyes fuscous ; abdomen with a blackish streak down the back ; 



legs and antennae pale pitchy-red ; wings hyaline, with a yellowish tinge; 



the nervures of an ochreous-brown. 



Taken in June near London. 



