l36 MAXDIBULATA. — HYMENOPTERA. 



ruginous, or black, with the basal joint black, the 2ncl to 10th generally- 

 dusky at the base, 11th to 13th whitish ; thorax, usually, with a minute 

 white dot before the wings ; abdomen with the 2nd to 4th segments of 

 equal width, the 1st smoothish, 4 following with the extreme edge reddish; 

 ovipositor slightly exserted ; legs stoutish, red, coxse at the base above, or 

 entirely, black, the posterior armed with a more or less elongate acute tooth, 

 the hinder tarsi and extreme tip of the tibise dusky; wings with the stigma 

 and costa brown, scales yellowish; cellule 5-angular. 



The male has the mouth and dot before the wings yellow ; antennse porrect, 

 not annulated ; the legs red, with the anterior coxse yellow, the middle 

 ochreous or black, with a red spot, the posterior black, the 4 anterior tro- 

 chanters yellow, posterior red, the apex of the hinder femora and of the tibise 

 and the tarsi black ; coxse unarmed. 

 Not very uncommon in gardens and woods in June, within the 



metropolitan district ; found also in Salop and in Norfolk. 



Sp. 26. brunnicornis. Niger, antennis ferrugineis, pedibvs rufis ; mas geniculis 

 posticis nigris. (Long. corp. 2|— 3| lin. ; Exp. Alar. 5 — 6 lin.) 



Ic. brunnicornis. Gravenhorst, i. 145. — Steph. Nomen. 2d edit. col. 131. 



Black : palpi pale yellow ; the male with the mouth and face entirely pale 

 yellow, in which sex is a small white dot before the wings; abdomen black- 

 ish, finely punctured, with the edges of the 2nd and 3rd segments reddish ; 

 females occasionally with the edges of all slightly reddish ; legs red, tro- 

 chanters generally paler, the tips of the hinder tibiae and of the tarsi 

 blackish ; of the male red, anterior with the coxse and trochanters pale 

 yellow ; posterior with the coxse either red, or with a brown spot, sometimes 

 yellowish ; trochanters red or yellowish, the extreme tip of the femora 

 black, and the apex of the tibiae and of the joints of the tarsi also black ; 

 wings hyaline, stigma and costa pale pitchy; scales yellow; cellule 5- or 3- 

 angular. 

 Found, not rarely, near London, in June and July. 



Sp. 27. brevicornis. Niger, pedibus rufis, antennarum annulo albo, (Long. corp. 

 3— 3| lin. ; Exp. Alar. 6 lin.) 



Ic. brevicornis. Grauenhorst, i. Ii6. — Steph. Nomen. ^d edit. col. 131. 



Black, rather slender : antennae somewhat setaceous, slender, half the length 

 of the body, rusty-brown, with the 11th and 12th joints white, the 3rd red; 

 posterior legs with the coxse brown and the extreme tip of the tibise blackish ; 

 wings slightly smoky-hyaline, stigma yellowish-pitchy, the costa straw- 

 coloured towards the base, scales pitchy or white ; cellule 5-angular. 

 Scarce : found in June near London. 



Sp. 28. maculicornis. Niger, pedibus rufis, antennis poi'rectis macula alba, ore 



flavo. (Long. corp. 2| lin.; Exp. Alar. 4| lin.) 

 Ic. maculicornis. Steph. Nomen.2d edit. col. 131. 



