of Fossorial Hymenoptera. 259 



not very closely punctured, having-, in certain lights, obscure 

 tints of blue and purple. 

 Hab. Philippine Islands. 



Mygnimia australasice. 



Female. Length 14 lines. Head, thorax, legs, and apical 

 segment of the abdomen ferruginous ; the clypeus truncate ; 

 the tips of the mandibles, the pectus, and base of the posterior 

 coxse black ; the tibice and tarsi with short spines, the poste- 

 rior tibiae with a double row of serrations ; the mesothorax 

 with a longitudinal black stripe on each side ; the wings fulvo- 

 liy aline, the nervures ferruginous ; the metathorax truncate 

 and transversely striated. Abdomen black, with tints of blue. 



The male is both coloured and sculptured like the other sex. 



Hab. North-west coast of Australia. 



This is the only known species of the genus from Australia. 



Family Sphegidae. 



Genus Ammophila, Kirby. 



Afiwiophila sjntiosa. 



Female. Length 12^ lines. Black ; the petiole and legs 

 red ; the spines on the tibige and tarsi black. Head smooth, 

 the cheeks shining ; the face with silvery pile ; the clypeus 

 thinly covered with erect black hairs ; the scape of the antennae 

 bright ferruginous. Thorax : transversely striated above ; the 

 mesothorax with a central longitudinal channel Avhich runs 

 from the anterior margin to the middle of the disk ; the scutel- 

 lum longitudinally striated ; the central portion of the metath 

 rax rugose, the sides striated ; the coxa and trochanters black, 

 the legs bright red ; two or three of the apical joints of the 

 tarsi fuscous or black ; the wings subhyaline, the nervures 

 ferruginous. The abdomen blue-black ; the apical segments 

 with a changeable cinereous pilosity. 



Hab. Hong Kong. 



AmmopMla Iceviceps. 

 Female. Length 9 lines. Black ; with the legs and abdo- 

 men, except the two apical segments, ferruginous. Head 

 smooth, slightly shining, and with distant fine shallow punc- 

 tures ; the clypeus and face anteriorly with stronger and larger 

 punctures, the former with a central depression. Thorax : a 

 central impressed line in the middle of the prothorax, which 

 extends to the disk of the mesothorax, the latter punctured ; 

 the scutcllum and postscutellum longitudinally strongly stri- 



