HYMENOPTERA, 215 



shining, and thinly covered with fine sericeous pile ; on the cly- 

 peus it is dense and silvery ; the mandibles and scape ferrugi- 

 nous, the former black at their tips, the latter fuscous above. 

 Thorax : the pro- and mesothorax transversely striated, the latter 

 has a longitudinal impressed central line ; the enclosed portion 

 of the metathorax evenly and obliquely striated; the striation 

 irregulai- beyond; the tubercles, apex of the metathorax, and 

 the coxae covered with silvery pile ; the legs ferruginous, the 

 coxa?, trochanters above and the apical joints of the tarsi fuscous : 

 sometimes the coxa; are black ; the wings hyaline, their apical 

 margins faintly clouded, the nervures ferruginous ; the second 

 transverso-cubital nervure geniculated, sometimes having a short 

 appendage at the angle of the geniculation. Abdomen : blue- 

 green, with the two basal segments ferruginous, the extreme 

 base of the second joint of the petiole black, the apical margin 

 of the second segment blue-green. 



Hab. India (N. India; Punjaub). 



38. Ammophila nigripes. B.M. 



Male. Length 7 lines. — Black : the face clothed with silvery 

 pile; the cheeks and sides of the thorax thinly covered with 

 silvery-white pubescence; the vertex smooth and shining; the 

 entire thorax transversely striated above; the scutellum and 

 post-scutellum longitudinally striated; wings subhyaline, the 

 nervures and tegulce pale ferruginous. The second joint of the 

 petiole beneath, and the first segment of the abdomen ferrugi- 

 nous ; the apical margin of the latter and the following segments 

 blue, covered above with silvery pile. 



Hab. Madras. 



39. Ammophila l^vigata. B.M. 



Female. Length Ji lines. — Black : the face densely covered 

 with silvery pile ; the head, pro- and mesothorax smooth and 

 shining, the latter having only a few delicate punctures; the 

 enclosed portion of the metathorax rugose, its sides striated; 

 the sides of the thorax, the coxa? and trochanters thinly covered 

 with silvery pile ; the anterior and intermediate femora and tibiae 

 ferruginous ; the posterior femora and base of the tibiae ferru- 

 ginous, with a black stripe above ; one or two of the basal joints 

 of the anterior and intermediate tarsi ferruginous. Abdomen : 

 the petiole and first segment of the abdomen ferruginous, with 

 usually an uninterrupted black stripe above, which is occasion- 

 ally more or less abbreviated ; the rest of the abdomen black. 



Hab. Madras; Guzerat. 



l5 



