HYMEN OPTEEA IN THE BRITISH MUSEUM. 427 



Sah. Tenasserim. 



A very distinct species, unlike any other in the sculpture of 

 the thorax and in having the fascia on the wing, close to the 

 base, broader than the subapical fascia. 



PSEUDAGENIA AETEMIS, Sp. nOY. (PI. XIX. fig. 2, $ .) 



$ . Head, pro- and mesonotum, scutellum and postscutellum, 

 and abdomen smooth and shining ; median segment transversely, 

 and the pleurae obliquely striate ; clypeus convex, its anterior 

 margin obtusely angular ; median segment with a rounded steep 

 slope to its apex ; legs long, the intermediate and posterior tibia) 

 and tarsi with very minute spines, almost smooth, claws with an 

 obtuse strong tooth at base below ; abdomen with the basal 

 segment less petiolate than in most other species of the genus. 

 Dark cobalt-blue ; the antennae, the femora, tibiae, and tarsi of 

 the legs opaque black ; the fore wing dark fuscous with a purple 

 effulgence, the hind wing hyaline at base, lightly fuscous towards 

 the apex ; nervures and tegulae piceous black ; the face in front, 

 the sides of the thorax, and the median segment covered with a 

 thin soft silvery-white pubescence. 



<S unknown. 



$ . Length 19 millim. ; exp. 41 millim. 



Hah. Tenasserim (ISalween Valley). 



Eesembles somewhat the description, so far as it goes, of 

 Lepeletier's Fallosoma cyanea, but that species is described as 

 having bluish-black pubescence and the wings " sans trans- 

 parence." 



PsEUDAGENIA CLTPEATA, Sp. nOV. 



§ . Pruinose ; the pronotum very short, its anterior margin 

 neai'ly transverse, the posterior angularly arched ; median 

 segment with a rounded, somewhat steep slope to its apex, and 

 a broad shallow longitudinal sulcation down the middle ; legs 

 with the tibiae and tarsi with very minute spines, nearly smooth, 

 claws minutely unidentate ; abdomen petiolated, the 2nd ventral 

 segment with a deeply impressed transverse furrow. Black, with 

 a dense soft white pruinosity giving it a greyish look ; clypeus 

 yellowish white, with a minute black spot in the middle at base ; 

 the anterior tibiae and tarsi and the flagellum of the antennae 

 below, with three or four of the apical joints above, testaceous 

 red ; the extreme apex of the intermediate femora, with the under- 

 side of the tibiae and tarsi, and the posterior femora blood-red ; 



