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, Ill. 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 fava, Dahlb. Hym. Europ. i. 123. 1. 
Hab. India. 
3. MyGNIMIA AUREOSERICEA, 
Pompilus aureosericeus, Guér. Voy. Cog. Zool. pt. 2. p. 256. 
Hab. Java. (Coll. W. W. Saunders, Esq.) 
4. MYGNIMIA AUDAX. B.M. 
Female. Length 15-20 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 
tibiz on their outer margins, and the tarsi, strongly ciliated ; 
the posterior tibiz flattened, longitudinally grooved above; the 
apical margins of the abdominal segments have a fuscous band, 
which is continued beneath. 
Hab. Silhet. 
