146 MANDIBULATA. HYMENOPTERA. 



reddish-brown beneath, with the basal joint whitish ; thorax with a line 

 below the scutellunij a streak before, and a dot beneath the wings, as well 

 as one on the breast, white; scutellum more or less white ; abdomen dusky- 

 black, silky, with the margin of the 2nd segment and a spot on each side at 

 the base chestnut ; the other segments more or less faintly bordered with 

 the same; 4 anterior legs straw-colour, with the cosse and trochanters 

 whitish, the femora dusky within; tarsi whitish, with the basal joint 

 fuscous ; posterior legs dusky-black, with the base of the femora, and the 

 apex of the coxae and trochanters sometimes whitish-yellow, as are also the 

 base of the tibiae and the middle of the tarsi ; wings hyaline, iridescent, with 

 the stigma and costa pitchy-brown, scales whitish, with occasionally a black 

 dot ; cellule somewhat 3-angular. 

 Rare : taken in June at Darenth wood. 



Sp. 54. umbraculosus. Niger, scutelli margine laterali, orhitisque ocuhrum 

 internis, alhis ■' mas punctis albis ad radicem alarum ; foemina antennarum. 

 annulo albo. (Long. corp. 6 — GJlin.; Exp. Alar. 10 — 11 lin.) 



Ic. umbraculosus. Gravenhorst, i. 199. — Steph. Nomen.^dedit. col. 132. 



Black : inner orbits of the eyes, and sometimes a portion of the outer and a 

 spot on the mandibles white; antennae of the male with the basal joint 

 frequently white beneath ; of the female with about 6 joints towards the 

 middle white ; thorax with a streak before and dot beneath the wings 

 white ; scutellum with its lateral margins more or less distinctly white ; 

 abdomen of the male blue-black, with the incisions sometimes obscurely 

 chestnut; of the female black, or very faintly bluish; ovipositor scarcely 

 exserted : legs black ; anterior femora of the male somewhat rusty or straw- 

 coloured beneath, and of the female at the apex only ; tibiae brown or black, 

 beneath straw-coloured in the male, rusty in the female ; middle in this sex 

 fuscous beneath, in the male as in the anterior, and the posterior with the 

 tibiae somewhat rusty-brown towards the base ; wings smoky-hyaline, with 

 the costa, stigma, and scale brown ; cellule mostly 3-angular. 



Larva feeds on that of Eyprepia caja and Abraxas grossulariata. 



Very common, within the metropolitan district, in June and July ; 



also found in the New Forest and in Salop. 



Sp. 5B. luctuosus. Niger, scutelli apice, orhitisque oculorum internis albis. 

 (Long. corp. 6 — Ik lin.; Exp. Alar. 12 lin.) 



Ic. luctuosus. Gravenhorst. — Steph. Catal. 347. No. 4348. 



Black: palpi and inner orbits white; thorax generally with a white dot 

 beneath the wings, and another before ; metathorax impressed ; scutellum 

 either almost entirely white, or at the apex only, sometimes with merely 2 

 dots ; abdomen fuscous or black, with the incisures distinctly or obsoletely 

 chestnut ; legs black, 4 anterior with the inner edge of the femora and tibiae 

 straw-coloured ; wings smoky-hyaline, with the stigma and costa brown, 

 or pitchy ; scales fuscous ; cellule 5-angular. 

 Taken at Darenth wood, apparently rare, in June. 



