Mr. F. Smith on new Species of Mexican Pompilidao. 397 

 Genus Agenia, Sclmdte. 



1. Agenia Montezumia. 



A. nigra, pubescens ; alis flavo-hyalinis, anticis fascia fiisca transversa ; 

 abdoniiue obsciu-e cyaneo-nigi*o. 



Male. Length 4^ lines. Black ; the face with a dense golden 

 pubescence, the clypeus transverse, widely eniarginate in front ; the 

 head with a long, thin, black pubescence. Thorax thinly covered 

 with long black pubescence ; the tips of the anterior femora in front, 

 the tibife in front and their apex, rufo-testaceous ; wings ample, fiavo- 

 hyaline, their apical margins faintly clouded, and vnth a fuscous fascia 

 crossing the superior pair at the base of the marginal cell. Abdomen 

 subpetiolate, black, with an obscm'e blue tinge ; the apex with a short 

 black pubescence. 



Hah. Oajaca (Mexico). In the National Collection. 



2. Agenia orbiculata. 



A. capite thoraceque nigiis, abdomine obscure ferrugineo, pedibus rubris, 

 capite abdomineque flavo maculatis, antennis albo annulatis. 



Female. Length lines. Head and thorax black, and adorned with 

 golden pile ; the inner orbits of the eyes, a spot behind them, two 

 spots on the clypeus, the mandibles, and thu'd and fourth joints of the 

 flagellum yellow. The wings flavo-hyaline, the nervm-es testaceous ; 

 the legs and abdomen fen-uginous, the coxae black ; the apical joints of 

 tarsi fuscous; the basal mai'gins of the segments of the abdomen fuscous. 



Male. Length 4^ lines. Closely resembles the female, but has the 

 coxaB yellow beneath ; the abdomen fuscous, the apex of the basal seg- 

 ment yellowish, the second and third seg-ments with a large yellow 

 spot on each side, the extreme apex reddish-yellow. 

 JIah. Mexico. In the National Collection, 



3. Agenia ccerulipes. 



A. nigro-senea, antennis apice flavis, pedibus cyaneis, abdomine aurato 

 pubescente, alis flavo-hyalinis fasciis duabus fuscis. 



Female. Length 5| lines. Nigro-seneous, the legs steel-blue ; the 

 five apical joints of the antennae yellow ; the clj'peus transverse, 

 margined anteriorly, and widely eniarginate. Thorax ; the posterior 

 margin of the prothorax curved ; the metathorax with bright silvery 

 pile at its apex ; the wings flavo-hyaline ; the anterior pau- with two 

 narrow bro^\^l fasciae, the basal one crossing at the apex of the exteruo- 

 medial cell, the second at the base of the marginal cell ; the apex of 

 the wings with a pale-fuscous margin. Abdomen subpetiolate and 

 clothed with golden pubescence. 



Hab. Oiizaba (Mexico). In the National Collection. 



This species, when recently disclosed, would probably have tlie 

 head and thorax clothed with shining yellowish-white pile. 



2 G 2 



