PSOCID.E. I'SOCUS. 123 



Sp. 21. flavicans. Niger, collare, abdoniineque Jlavis. (Long. corp. % lin.; 

 Exp. Alar. 3 lin.) 



He. flavicans. LiniiL—Vs. flavicans. Steph. Catal. 313. No. 3606. 

 Head black; neck yellow; thorax blackish; abdomen ovate, yellow; legs 

 blackish ; wings hyaline, with ol-scure branching nervures; antennae black. 



Found near London ; also at Hertford and in Suffolk, in July. 



Sp. 22. obsoletus. Pallide rufo-ochr actus, capite postice, abdomineque macula, 

 dorsali, atris, alls obscure J'uscesceiitibus, nervis tenuibus saturatioribusque. 

 (Long. corp. | lin.; Exp. Alar. 2§ lin.) 



Ps. obsoletus. Steph. Catal. 313. No. 3507. 



Pale ochreous-red : mouth yellow; head behind black; thorax immaculate; 

 abdomen somewhat yellowish-red, with a large patch of black on the back; 

 legs very pale ochre ; wings obscurely fuscescent, with very slender darker 

 nervures; stigma pale flavescent-brown; antennae pale testaceous, with 

 dusky hairs. 



Found in July, near London. 



Sp. 23. hyalinus. Fusco-piceus, pedibus pallidioribus, abdominis basi ochraceo- 

 Jlavd, alis hyalinis, limpidis, stigmate fusco. (Long. corp. 1 lin. ; Exp. Alar. 

 3 lin.) 



Ps. hyalinus. Steph. Catal. 313. No. 3508. 



Head pitchy-brown, clypeus and mouth paler; eyes black; thorax pitchy- 

 red, immaculate ; abdomen above pitchy-brown, with the base ochreous- 

 yellow, beneath pale pitchy-red ; legs rufo-piceous, with the tibiae palest ; 

 wings hyaline, limpid, nervures and stigma fuscous ; antennae short, pitchy- 

 brown, palest at the base- 

 Taken in June, near London. 



Sp. 24. bipunctatus. Flavo nigroque varius, alis anticis rnaculis 2-bus nigri- 

 cantibus. (Long. corp. | — 1| lin.; Exp. Alar. 2^ — 3\ lin.) 



He. bipunctatus. Linne. — Ps. bipunctatus. Steph. Catal. 313. N'o. 350.9. 



Varied with black and yellow, greenish during life ; wings hyaline, with 

 fuscous nervures, anterior with the stigma blackish, and a spot of the same 

 towards the base of the inner margin. 



Found occasionally within the metropolitan district, and in Suffolk, 

 in the summer. 



Sp. 25. sexpunctatus. Fiiscus : alis anticis maculis fuscis punctisque 6 dis- 

 tinctis. (Long. corp. | — 1 lin.; Exp. Alar. 2^—3 lin.) 



He. sexpunctatus. Liun'c. — Ps. sexpunctatus. Steph. Catal. 313. N'o. 3510. 



Fuscous : wings hyaline, with a golden tint ; anterior with fuscous clouds or 



