340 hymenoptera. 



11. Larra bipunctata. B.M. 



Female. Length 7 lines. — Black : the mandibles, labrum, 

 clypeus and a spot above, the face on each side nearly as high as 

 the anterior stemma, the scape in front, and the outer orbit of 

 the eyes, ])ale yellow; the flagelhim fulvous; a black spot at 

 the base of the cly])eus, and the tips of the mandibles black ; the 

 head covered with a thin white pubescence. Thorax : the })os- 

 terior margin of the prothorax, the tubercles, an epaulet over 

 the tegulaj, two large ovate spots on the scutellum, and a curved 

 stripe on tlie metathorax, pale yellow ; the wings hyaline, their 

 nervures ferruginous; the legs reddish-yellow, the coxae and 

 trochanters black. Abdomen : the basal segment has a pale 

 yellow band, which is notched or slightly interrupted in the 

 middle ; the second and three following segments have a broad 

 waved band, sliglitly interrupted in the middle; beneath, the 

 second and following segments have on each side an angular 

 yellow macula. 



The males have all the bands interrupted, and have the meta- 

 thorax immaculate. 



Hab> Albania (Yanina). 



12. Larra bizonata. B.M. 



Stizus bizonatiis. Spin. Ann. Soc. Ent. Fr. vii. 473. 24 (1838) ^ ? ; 

 fig. Exjjed. Egypt, t. 16. f. 13 ? . 

 Guer. Icon. Reyn. Anim. ill. 439. 

 Klug, Symh. Phys. dec. v. t. 46. f. 10 (sphegiformis). 

 St. Farg. Hym. iii. 302.1]. 



Hah. EgApt. 



13. Larra blandina. B.M. 



Female. Length 9 lines. — Black : closely punctured ; the tibiae 

 and tarsi have a fine short silvery ]nle ; the wings dark brown, 

 with a violet iridescence ; the tips of the anterior wings and the 

 base of the posterior pair milky- white. The abdomen red, with 

 the base black. 



Male rather smaller, but closely resembling the female ; the 

 face densely clothed with bright silvery pile; the metathorax 

 covered with silvery-white pubescence ; the base of the abdomen 

 has a little white pubescence ; that on the rest of the abdomen 

 is short and bright fulvous. 



Hob. India. 



14. Larra cingulata. 



Female. Length 4 lines. — Black : the scape in front, the 



