1^ MAfJDlBULATA. — HYMENOrTERA. 



the margins reddish ; legs with the anterior tibiae and tarsi ferruginous 

 beneath ; wings smoky-hyaline. 

 Taken near London and in Norfolk. 



Sp 169. alticola. Niger, segmentis 2-4 riifis, i-margine nigra, cellula iriangu- 

 lari, annulo antennarum albo. (Long. Corp. 5 — 6 lin. ; Exp. Alar. 9 — 10 lin.) 



Ic. alticola. Gravenhorst, i. 478. — Steph. Nomen. 2d edit. col. 136. 



Black : antennae with the 6th to about the 12th or 13th joints white above ; 

 metathorax slightly bidentate ; scutellum white ; abdomen with the 2nd, 

 3rd, and 4th segments red, the latter with the margin more or less broadly 

 black ; legs black, the extreme tips of the anterior femora, and the tibiae 

 beneath reddish, or ferruginous; wings smoky-hyaline, with the cellule 

 3-angular. 

 Found in South Wales in June. 



Sp. 170. serenus. Niger, abdomine, pedibusque rufis, basi nigris, punctis 2-bus 

 apicalibus scutelli, 2-bus ante scutellum, uno 2-busve ad alarum radicem, albis ; 

 foemina antennarum annulo albo. (Long. corp. 7 lin.; Exp. Alar. 10 lin.) 



Ic serenus. Gravenhorst, i. 484. — Steph. Nomen. 2d edit. col. 136. 



Black : facial and part of the outer orbits white, and the frontal ones of the 

 female; antenna; of the female involuted, with about the 10th to 17thjohits 

 white above ; thorax with a white dot before and beneath the wings, and 

 another before each angle of the scutellum, this last with 2 minute shining 

 white dots at its apex ; abdomen finely punctured, light red, with the 

 1st segment and extreme base of the 2nd black ; of the female red, with the 

 tip of the 1st dull ferruginous ; legs with the femora red, externally black ; 

 posterior entirely red in the female ; tibiae red, of the male dusky without, 

 of the female the anterior are brownish without, the 4 posterior dusky at 

 the tip ; tarsi fuscous. 

 Inhabits the vicinity of London, in June. 



Sp. 171. sexlineatus. N'iger, abdominis medio castaneo, orbitis oculorum, lined 

 ante alas, lineola infra alas, tibiisque anticis subtus albis. (Long. corp. 5 lin.; 

 Exp. Alar. 8 lin.) 



Ic. sexlineatus. Gravenhorst, i. 487. — Steph. Nomen. 2d edit. col. 136. 



Black, with the lateral margins of the clypeus, and the inner and lower orbits 

 white ; antennae sometimes with the basal joint white in the middle beneath; 

 thorax with a streak before and another below the wings white ; scutellum 

 white at the apex ; abdomen slender, with the 2nd and 3rd segments chest- 

 nut-red, with an obscure dorsal cloud,ithe 4th the same, with the disc blackish, 

 the 5th with the sides also somewhat castaneous ; legs with the anterior 

 femora beneath fulvous, with the apex yellow, tibiae and tarsi whitish, 

 middle with the extreme apex pale straw-colour, the tibise whitish, posterior 

 black. 



Found, but not commonly, within the metropolitan district, about 

 July. 



