HYMENOPTERA. 347 



gellum somewhat fiilvous beneath ; the fjice has a short silvery 

 pubescence. Thorax : the posterior margin of the prothorax, 

 the tubercles, a spot on the tegula3 in front, another at the pos- 

 terior lateral angles of the raesothorax, a stri})e on each side of 

 the scutelhim, the post-scutellum, and the lateral angles of the 

 metathorax, yellow ; the anterior and intermediate tibiaj in front 

 and the tarsi yellow ; the latter have a ferruginous tinge above ; 

 the posterior tibiaj have a yellow stripe at their base above, the 

 tarsi rufo-fuscous ; the wings subhyaline, their nervures fuscous. 

 Abdomen : all the segments have a bisinuated marginal fascia. 



Male. — This sex has the labrum, mandibles, palpi, clypeus, 

 inner orbit of the eyes, the scape in front and the base of the 

 flagellum, yellow; the tibiae and tarsi are also yellow; the bands 

 on the abdomen are broader ; the three basal segments have a 

 cinereous pubescence, that on the following is black. 



Hab. St. John's Bluff, East Florida. 



41. Larra nubilipennis. B.M. 



Female. Length 7 lines. — Honey-yellow : the flagellum ful- 

 vous ; the vertex with a transverse black line and a spot before 

 the anterior stemma. The thorax reddish-yellow, with three 

 black stripes ; the breast has a large black patch which runs up 

 the sides to the insertion of the wings; a transverse stripe on 

 the metathorax at its base, and one or two oblique stripes on the 

 truncated portion ; the stripes vary in length in different indivi- 

 duals. Abdomen ferruginous at the base, the apical margins of 

 the two basal segments fuscous ; sometimes the margins of all 

 the segments are ferruginous ; beneath, the two basal segments 

 yellow, the apical segments ferruginous. 



Hab. India. 



42. Larra ornata. B.M. 



Stizus ornatus, St. Farg. Hym. iii. 294. 3. 

 Dahlb. Hym. Europ. i. 477- 

 Lucas, Explo. Sc. Alger, iii. 264. t. 13. f. 9. 



Hab. Algeria (Oran). 



43. Larra peregrina. 



Male. Length 5 hues. — Black : the antennae beneath, the 

 clypeus, labrum, mandibles and palpi, yellow ; the apical joint of 

 the antenna? produced into a sharp spine, the eleventh joint has 

 a sharp spine beneath. Thorax : the posterior margin of the pro- 

 thorax, the tubercles, tegulse and an epaulet over them, a spot 



