142 MANDIBULATA. HYMENOPTERA. 



tibiae red, straw-colour beneath, tarsi pale straw ; posterior with the coxse 

 and trochanters black, femora dusky, with the inner edge chestnut, tibiae 

 and tarsi brown ; wings hyaline, with the stigma and costa pitchy-straw, 

 scales white; cellule somewhat 3-angular. 

 Hare : taken near London, in July. 



Sp. 43. femorator. Niger, femoribus anterioribus tibiisque omnibus ryfis, horum 

 posticorum apicefuscis, scutelli apice albo. (Long. corp. 65 lin. ; Exp. Alar. 

 lOUin.) 



Ic. femorator. Steph. Nomen. 2d edit. Appendix. 



Black: head rather small ; palpi fuscous; scutellum with a triangular white 

 spot at the apex ; abdomen obscure black, slightly shining towards the 

 apex, which is obtuse; coxae and trochanters all black; 4 anterior femora, 

 tibiae, and tarsi, light red ; posterior femora black ; tibiae dull red, with the 

 tip fuscous; tarsi black; antennae porrect, black; wings smoky-hyaline, 

 darkest at the apex ; costa, stigma, and scales black ; cellule triangular. 

 Found, but rarely, in June, near London. 



Sp. 44. trilineatus? Niger, orbitis oculorum intervis, punctis ad alarum radicem,, 

 scutellique margine later ali albis, stigmate fusco, femoribus tibiisque ante7-io- 

 ribus riifis. (Long. corp. 6§ lin.; Exp. Alar. 10^ lin.) 



Ic. trilineatus. Gmelin ? — Steph. Nomen. '2d edit. col. 132. 



Black : palpi, spot on the mandibles, and the inner orbits of the eyes broadly 

 white, the outer orbits in part faintly whitish ; basal joint of the antennfe 

 with a white dot beneath, the following slightly rufescent ; thorax with a 

 white streak before the wings ; scutellum with the lateral margins and apex 

 obsoletely white, or with a minute white dot, rarely black ; abdomen black, 

 opaque at the base, glossy and bluish towards the apex, which is acute; 

 coxae and trochanters and posterior legs entirely black ; 4 anterior femora 

 chestnut, with the base and middle partly black, their tibia chestnut-red; 

 tarsi a little dusky towards the apex; wings hyaline, with the costa, stigma, 

 and scales black ; cellule nearly 3-angular. 



Females said by Gravenhorst to have a white ring on the antennae, which are 

 curved. 

 Taken, but rarely, near London, in July. 



Sp. 45. pedatorius. Niger, femoribus tibiisque rufis, harum posticis apicem 

 versus nigris ; mas facie Jlavd ; fcum. antennis albo annulatis. (Long. corp. 

 4—5 lin.; Exp. Alar. 9^ — IQilin.) 



Ic. pedatorius. Fabricius. — Ic. annulator. Steph. Catal. 346. No. 4337. 



Black : mouth, face, and outer orbits yellow ; in the female the inner orbits 

 alone faintly yellow, or whitish ; thorax generally with a white dot beneath 

 the wings ; scutellum with a whitish or yellow dot at the tip ; abdomen 

 rather narrow, with the 2nd to 4th segments of equal width, the 2nd in 

 the males generally slightly edged with chestnut ; legs moderate, red, coxs 

 and trochanters black ; apex of posterior tibite and hinder tarsi black ; 



