30 



IIYMENOPTERA. 



l)escence, most dense at the sides ; on the apical margin it is 

 black. 



This is probably the male of P. alcyonea of Erichson. 

 Hab. New Holland. 



44. Prosopis mixta. 



Prosopis mixtus, Smith, Ann. ^- Mag. Nat. Hist. (1851). 

 Hab. India. (jMus. Hon. East India Company.) 



B. The first recurrent nervure entering the second sub- 

 marginal cell. 



45. Prosopis confusa, n. s. B.M. 



Head and thorax black, closely punctured, the punctures on 

 the face elongate, running into grooves at the margin of the cly- 

 peus, which is smooth and slightly elevated ; the face on each 

 side of the clypeus yellow. Thorax, the tubercles, scutellum and 

 post-scutellum yellow ; wings hyaline, slightly clouded towards 

 their apical margins, the second recurrent nervure uniting with 

 the apical one of the second submarginal cell, the first recurrent 

 nerviu-e received a Uttle within tlie second submarginal cell ; be- 

 neath, nigro-aeneous, coarsely punctured, and thinly covered with 

 short white pubescence, the tibia; and tarsi clothed with similar 

 pubescence, the claws ferruginous. Abdomen, of a blue green, 

 closely and rather sti'ongly punctured ; the margins of the seg- 

 ments violet, smooth and shining ; the anterior margin of the 

 basal segment produced in the centi-e, forming the apex of a 

 shining carina, which runs a short distance down the truncation 

 of the segment ; beneath coarsely pimctured. 

 Hab. New Holland. 



C. Both the recurrent nervures entering the second sub- 

 marginal cell. 



4C). Prosopis xigrifrons, n. s. B.M. 



Female. Length 4 lines. — Black, the clypeus finely aciculate, 

 interspersed with distinct punctures. Thorax strongly punctured, 

 the tubercles and a larger patch behind, the scutellum and post- 

 scutellum yellow; the enclosed space below the post-scutellum has 

 the upper lialf longitudinally strigose; wings subhyahne, the 

 first recurrent nerviu-e received about one-third from the base of 

 the second submarginal cell, the second nearly at the apex. 

 Abdomen closely punctured, more strongly so towards the apex ; 



