172 ]\lr. P. Cameron oti Ilymetxoptera 



striie ; tlie secoiul segment cleai'ly widor than long, it? 

 centre stoutly longitudinally striated, witi)OUt a smootli 

 basal area and keel ; the suturiform articulation irregularly 

 striated, the sides smooth and triangularly dilated ; there is a 

 distinct crennlated furrow on the base of the fourth and fifth 

 segments and a smooth one on their apices ; the pubescence 

 on the basal two segments is pale fulvous, on the others 

 black, on the apical dense ; the apices of the sixth and seventh 

 liave a narrow pale border. Wings ample; the recurrent 

 nervure is interstitial ; the second cubital cellule is three 

 times longer than wide. 



o^ 



Iphiaulax stramineus, sp. n. 



Pale yellow, the lobes of the niesonotum broadly pale 

 brown ; the antennse, centre of front broadly, the vertex 

 broadly in front, entirely behind to near the middle of the 

 outer orbits, and the occiput, black ; the face and orbits pale 

 yellow. Wings yellowish hyaline to the lower part of the 

 transverse basal nervure; beyond fuscous violaceous, with 

 tlie usual hyaline spots below the base of stigma; the 

 fuscous cloud in the hind wings is broadest behind ; the 

 stigma is yellow to the commencement of the radius. The 

 niiddie of the first abdominal segment, the second entirely, 

 and the basal two thirds of the third are closely longitudinally 

 striated ; there is no area on the base of the second segment, 

 it being there striated like the rest of the segment. ? . 



Length 13, terebra 4 mm. 



Haundraw Valley, Middle Tenasserim ; August. 



Abdomen elongate-oval, the basal three segments as long 

 as the thorax ; suturiform articulation wide, deep, crenu- 

 lated ; there is a narrower but distinct crenulated furrow on 

 the base of the fourth ; there are no apical furrows. Meta- 

 uotum thickly covered with longish white pubescence. The 

 second cubital cellule fully three times longer than wide. 



Tills S{)ecies is related to /. spilocepkalus, Cam., but is 

 much paler in colour, the abdomen longer and narrower, 

 and the second cubital cellule much longer. 



Iphiaulax hurmaensis, sp. n. 



Kufo-luteous, the flagellum of antennae black. The wings 

 yellowish hyaline, the apex with a narrow pale fuscous 

 border ; the base of first cubital cellule with a small black 

 square cloud, reaching to the base of the stigma ; the costa, 

 stigma, and nervures bright luteous. The raised middle of 



