26 HYMENOPTERA. 



scape in front, yellow; the flagellum beneath testaceous; the 

 labrum and mandibles ferruginous. Thorax closely punctured ; 

 the collar, tubercles, tegulse in front, scutellum and post-scutel- 

 lum, as well as the legs, bright yellow ; the coxae, trochanters 

 and apical joints of the tarsi stained with ferruginous ; the wings 

 fusco-hyaline, splendidly iridescent. Abdomen finely punctured, 

 the apical margins of the segments broadly testaceous, and having 

 a band of pale yellow pubescence, that on the basal segment 

 broadly interrupted ; beneath, the margins are also testaceous. 



Male. Closely resembling the female, but narrower, and 

 having the labrum and mandibles bright yellow. 

 Hob. Spain and Portugal. 



31. PROSOPIS CYANURA. B.M. 

 Melitta cyanura, Kirby, Mon. Ap. Angl. i. 212. 



Hob. Swan River. 



32. PROSOPIS SIMILIS, n. s. B.M. 



Female. Length 3^ lines. Black, entirely, closely and finely 

 punctured, a large triangular spot on each side of the face, a 

 spot on each side of the collar, the tubercles, scutellum and post- 

 scutellum bright yellow; metathorax opake; thorax beneath 

 coarsely punctured; wing hyaline, the second submarginal cell 

 subquadrate, narrowed towards the marginal. Abdomen a little 

 elongated, obscurely tinged with blue and covered with a change- 

 able white pile, observable in certain lights, the apex thinly 

 covered with black pubescence ; beneath, the second segment at 

 the base covered with deep punctures, its apical margin smooth ; 

 the second segment finely punctured at the base, more coarsely 

 towards its apical margin; otherwise closely and finely punc- 

 tured. 

 Hab. New Holland. 



33. PROSOPIS VIOLACEA, n. s. B.M. 



Female. Length 3 to 4 lines. Head and thorax black, closely 

 and rather strongly punctured ; the face on each side of the cly- 

 peus with a lunate yellow patch reaching a little above the in- 

 sertion of the antennae, which are testaceous beneath ; the tu- 

 bercles, a half-circular spot on the scutellum, a smaller similar one 

 on the post-scutellum bright yellow ; beneath the latter is the 

 enclosed segment of a circle, the upper portion of which is ru- 

 gose, the under quite smooth ; beneath the enclosed portion the 

 metathorax is transversely striate. Abdomen violet, closely and ra- 

 ther strongly punctured. Wings hyaline, brilliantly iridescent, the 



