428 I/T.-COL. C. T. BIKGHAM ON EXOTIC FOSSOETAL 



wings hyaline, somewhat iridescent, the nervures and tegulse 

 testaceous brown. 



c? similar, but has the femora, tibise, and tarsi of the anterior 

 legs and the posterior four femora testaceous red. 

 . 2 • Length 9-11 millim. ; exp. 20-24 millim. 



6 . Length 6-8 millim. ; exp. 13-17 millim. 



Sal. Generally distributed throughout Burma and Tenasserim. 



Resembles Pseudagenia tincta and mutahilis of Smith, and 

 P. ariel, Cameron, but differs in the abbreviated prothorax and 

 the colouring of the clypeus, antennae, and legs, which is very- 

 constant in this species. 



PsETJDAGElirrA STTJLTA, Sp. nOV. 



$ . Head and thorax pruinose ; abdomen smooth, polished and 

 shining ; clypens narrow, almost transverse, its anterior margin 

 smooth and shining, arched, and produced a little in the middle ; 

 the front above the antennae, the vertex, pro- and mesonotum 

 finely punctured, the punctures distant on the head and prono- 

 tum, somewhat closer together on the mesonotum; the front 

 subconvex; the pronotum transverse anteriorly, with the shoulders 

 prominent, almost tuberculate, posteriorly arched; mesonotum 

 with a central longitudinal carina at apex ; scutellum broad, post- 

 scutellum rounded, not laterally compressed ; median segment 

 long, with a regular slope to its apex, transversely striated, a 

 central longitudinal broad furrow at base and apex, interrupted 

 in the middle ; legs long, the tibiae and tarsi smooth, without 

 spines, claws unidentate ; abdomen as long as the head and thorax 

 together, the 2nd ventral segment with a transverse furrow ; the 

 fore wing with the basal nervure not interstitial, the hind wing 

 with the cubital nervure rising well after the apex of the anal 

 cell. Head and thorax opaque dull black, covered with a silky 

 silvery pile, most dense on the face in front and at the apex of 

 the median segment ; the apical three or four joints of the 

 antennae and the coxae and trochanters of the legs testaceous 

 brown, the tibiae and tarsi black ; the abdomen shining black ; 

 wings hyaline, beautifully iridescent. 



5 . Length 11 millim. ; exp. 20 millim. 



Sab. Tenasserim. 



This pretty little species resembles Pseudagenia tincta and 

 mutabilis, Smith,' but differs in being longer and slighter, in 

 the pronotum not being rounded but transverse in front with 

 prominent angles at the sides, in the metanotum being transversely 



