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 

 coxae black ; the tibiae 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- 

 hyaline, 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. 



Ammophila spinosa. 



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

 red ; the spines on the tibiae 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 which 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 coxae 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. 



Ammophila loeviceps. 



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 scutellum and postscutellum longitudinally strongly stri- 



