154 MANDIBULATA. HYMENOPTERA. 



hyaline, stigma red, or pitchy ; costa and scales black, or brown, and in the 

 males with a white dot. 

 Found, but very rarely, near London. 



Sp. 75. vespertinus. Niger, tibiarum semiannulo albo. (Long. corp. 6 lin,,; 



Exp. Alar. 10 lin.) 

 Ic. vespertinus. Christius, 342. — Stepk. Nomen. 2d edit. col. 133. 

 Black, resembling the last : legs with the anterior femora beneath with the 



apex rusty-white, the tibiae beneath white, rusty towards the apex, the 4 



hinder tibiae externally white towards the base; wings hyaline, with the 



apex slightly smoky ; stigma, costa, and scales black. 



Obtained from Donovan's collection : locality unknown. 



Sp. 76. bipunctorius. Niger, orbitis ocnlorum internis et verticalibus late alhis, 

 tibiis posticis versus basin exierne ochraceis. (Long. corp. 7 — 8 lin. ; Exp. 

 Alar. 12—13 lin.) 



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



Black : palpi white ; inner and vertical orbits broadly white ; thorax with the 

 margins of the collar, a spot at the base, and another below the wings, white; 

 scutellum white ; abdomen jBnely punctured throughout, slightly opaque ; 

 the basal segment with 2 whitish dots, or an interrupted white streak, on the 

 extreme margin ; legs black, anterior femora at the apex and their tibiae 

 whitish, the last spotted with fuscous ; middle femora at the extreme tip, 

 and tibiae without also whitish, the last with a brownish ring towards the 

 apex ; posterior tibiae pale towards the base externally; 4 anterior tarsi pale, 

 with the tips of the joints dusky, posterior fuscous ; wings smoky-hyaline ; 

 costa, stigma, and scales black. 

 Apparently rare;* originally obtained (without antennae) from the 



Marshamian cabinet, and subsequently from Mr. Shuckard : taken 



near Darenth wood in June. 



§ IV. Scutellum more or less pale, abdomen black, with the terminal joints 

 white, or dotted with that colour. 



Sp. 77. saturatorius. Niger, annulo antennarumalbo,jemoribus tibiisque rufis, 

 harum posticis apice nigra. (Long. corp. 4 — 6§ lin.; Exp. Alar. 8 — 11 lin.) 



Ic. saturatorius. Linne. — Steph. Catal. 347. No. 4333, — Id. 350. No. 4449. 



Black : frontal orbits sometimes whitish in the female ; antennae with the 14th 

 to 20th joints generally white, ferruginous beneath ; of the female the 9th to 



* From the circumstance of my possessing all the original specimens of this 

 family, out of the collections of Francillon, Marsham, Haworth, Donovan, and 

 others, I am enabled to form some judgment of the relative scarcity of the 

 species of this hitherto-neglected portion of our indigenous insects. 



