ICHKEUMO^UD.E. EXOCHUS. 267 



chestnut, with the base brown, the trochanters also black at the base; 

 wings somewhat smoky-hyaline. 



Also rather scarce: taken in the neighbourhood of London, in 

 June. 



Sp. 9. prosopius. Niger, facie pedibusme flavis,femoribus fulvis, coxis posticis 

 supra nigris, scutelli summo apice pallido. (Long. corp. 3 — 4 lin. ; Exp. 

 Alar. 5—6 lin.) 



Ex. prosopius. Gravenliorst, ii. 3i,2.—Steph. Nomen. '2,d edit. Gen. 716. 9. 



Black : palpi, a spot on the mandibles, and the face yellow, the last with a 

 short black streak ; antennae with the basal joint sometimes yellow beneath, 

 and the sides of the prothorax occasionally with a yellow dot ; the apex of 

 the scutellum mostly with 1 or 2 minute yellow or reddish dots; abdomen 

 as wide as the thorax, somewhat cylindric; legs pale yellow, 4 anterior 

 with the femora externally more or less tawny; posterior coxae black 

 above, femora tawny, tibiae fulvous towards the apes, the apex itself 

 blackish ; claws all fuscous ; wings smoky-hyaline. 

 Found, but not commonly, near London, in June. 



Sp. 10. gravipes. Niger, pedibus rufis, coxis nigris. (Long. corp. 3^—4 Im. ; 

 Exp. Alar. 5— 6J lin.) 



Ex. gravipes. Gravenliorst, ii. 35l.—Steph.Nomeiu 2d edit. Gen. 716. 10. 



Black : antenna; about half the length of the body, or rather longer, carved 

 at the tip, porrect in the male; abdomen somewhat silky, rather narrower 

 than the thorax, a little thickened towards the apex in the females, the basal 

 segment with 2 short elevated lines, 2nd to 5th of nearly equal width ; legs 

 short, tawny-red, with the cosffi and trochanters black, the apex of the 

 latter sometimes red, and the extreme base of the hinder tibiffi occasionally 

 pale ; wings somewhat smoky-hyaline. 

 Also taken, in June and J uly, near London. 



Sp. 11. asper. Niger, abdominis basi scabriculd, pedibus rufis. (Long. corp. 

 2 lin. ; Exp. Alar. 3§ lin.) 



Ex. asper. Gravenhorst, ii. 69i.~Steph. Nomen. 2cZ edit. Gen. 716. 11. 



Black: mouth ferruginous; antennse rather longer than half the body, reddish 

 beneath at the base ; abdomen as wide as the thorax, the basal segments 

 roughish, with 2 elevated longitudinal lines, and a little narrowed towards 

 the base, 2nd quadrate and also roughish, remainder shorter and smoother ; 

 legs pale red, hinder coxse above black at the base ; wings hyaline. 

 Found near London, and in Salop, in June. 



Sp. 12. cristator. Niger, ahdominis basi scabricula, pedibus rufis , posticorum 

 coxis nigris, tibiis basi summd albida, facie fiavd: mas antennis subtus fulvis. 

 (Long. corp. 3^ lin. ; Exp. Alar. 5| lin.) 



Ex. cristator. Gravenhorst, ii. 352.—Steph. Nomen. 2d edit. Gen. 716. 12. 



