106 PO>fPILIDJE. 



segment rounded posteriorly, with a rather steep slope to the apex, 

 and a median longitudinal shallow furrow ; 

 legs long, the coxa3 and femora ( cf ) 

 massive, fore tarsus with the joints remark- 

 ably attenuate at their bases, posterior 

 coxae (cJ) produced anteriorly into a 

 prominent conical tubercle ; armature 

 of the legs feeble, the posterior tibiae 

 and tarsi with a few minute spines, 

 anterior tibiae with a row of minute 

 spines on the outside ( $ ) ; claws uni- 

 dentate at base below ; wings as in 

 Pseudagenia ; abdomen fusiform, the 

 base attenuate, almost petiolate, the 2nd 

 Fig. 24. — Paragenia ventral segment with a transyerse furrow 



argentifrons, (S ■ \- at base. 



The only species at present kno\\Ti has the habits of Pseudagenia. 



I found it in July making little clay cells like Emnenes and tilling 



them with spiders (Araneus). 



215. Paragenia argentifrons. 



Macromeris argentifrons, Smith, Jour. Linn. Soc. 1858, p. 97, 5 c5' ; 



C«m. Me77i. Munch. L. Ph. Soc (4) iv, 1891, p. 436. 

 Paragenia argentifrons, Bingh. Jour. Linn. Soc. 1896, p. 429. 



2 . Head and the thorax in front opaque, densely pruinose ; 

 abdomen with sparser pile, smooth and shining ; the sides of the 

 postscutellum obliquely and the base of the median segment trans- 

 versely striate, the rest of the median segment with a rounded 

 slope to its apex and obscure fine irregular striae ; legs long, the 

 tibiae and tarsi with minute spines ; abdomen fusiform, with a 

 distinct petiole. Black ; the face in front, the thorax above and at 

 the sides, the coxae and the trochanters of the legs clothed with a 

 glittering silvery pile, having a green tint in certain lights ; the 

 anterior femora above, and the intermediate and posterior pair 

 ferruginous red ; the abdomen covered with a thin silky pile ; 

 the wings flavo-hyaline, the tegulse andnervures testaceous brown. 



(5 . The thorax more massive, the abdomen shorter, the joints of 

 the anterior tarsi at base extremely attenuated, and the coxae of the 

 intermediate legs produced anteriorly into an obtuse tubercle. 



Hab. Sikhim ; Assam ; Burma and Tenasserim, extending to 

 the Malayan region. 5 . Zm^rZ^ 17-20 ; <;a,7^. 35-40 mm. S . Length 

 16-20 ; exp. 33-40 mm. 



Genus PSEUDAGENIA. 



Sphex, pt., Evania, pt., Ceropales, pt., Fabr. Syst. Piez. (1804). 



A^enia, Dahlb. {nee Schiodte) Hym. Eur. i, p. 454 (1845). 



Anoplius, pt., Lepel. Hym. in, p. 440 (1845). 



Pompihis, pt., Smith, Cat. iii, p. 118 (1855). 



Pilpomus, pt., Costa, Faun. Regn. Nap., Imenot. Acul., Pompili, p. .3 



(1859). 

 Pseudagenia, Kohl, Verh. zool.-bot. Ges. Wien, 1884, p. 42. 



