182 HYMENOPTERA. 



grees of affinity. The present genus is restricted to those species 

 which embrace the characters subjoined. 



The superior wings having one elongate marginal cell and 

 three submarginal cells ; the first recurrent nervure uniting with 

 the second transverso-cubital nervure ; the second recurrent 

 nervure entering the second submarginal cell about one-third 

 from its base ; the legs strongly serrate or spinose, the claws 

 having a tooth beneath more or less developed, in some species 

 as stout as the claws themselves. 



1. MYGNIMIA SEVERA. 



Sphex severus, Drury, III. Exot. Ins. iii. t. 42. f. 4. 

 Hab. India. (Coll. W. W. Saunders, Esq.) 



2. MYGNIMIA FLAVA. B.M. 



Sphex flava, Fabr. Ent. Syst. ii. 217. 80. 

 Pompilus flavus, Fabr. Syst. Piez. p. 197. 52. 



St. Farg. Hym. iii. 430. 21. 

 Hemipepsis flava, Dahlb. Hym. Europ. i. 123. 1. 



Hab. India. 



3. MYGNIMIA AUREOSERICEA. 



Pompilus aureosericeus, Guer. Voy. Coq. Zool. pt. 2. p. 256. 

 Hab. Java. (Coll. W. W. Saunders, Esq.) 



4. MYGNIMIA AUDAX. B.M. 



Female. Length 1 5-20 lines. Ferruginous brown, the cly- 

 peus, scape in front, and flagellum beneath, ferruginous ; the 

 mandibles and clypeus are covered with short yellowish pubes- 

 cence, the clypeus has a few long black hairs ; the sutures of 

 the parts of the thorax are more or less fuscous ; the metathorax 

 transversely rugose-striate, convex in the middle, the lateral 

 margins rounded and raised ; wings fulvous-red, nervures ferru- 

 ginous, the costal nervure fuscous ; the wings are rather paler 

 towards their apical margins, which are narrowly and slightly 

 fuscous ; an ocellus at the base of the second discoidal cell ; the 

 tibiae on their outer margins, and the tarsi, strongly ciliated ; 

 the posterior tibiae flattened, longitudinally grooved above ; the 

 apical margins of the abdominal segments have a fuscous band, 

 which is continued beneath. 



Hab. Silhet. 



