40 IPHIAULAX AND CHAOLTA. 



length of its greatest length ; the apex obliquely narrowed ; its 

 keel reaches to near to the apex of the segment, which is there 

 smooth in the middle ; on either side of it is a smooth plate, 

 broadly rounded on the outer side, narrowed to a point on the 

 inner above ; suturiform articulation crenulated except at the 

 sides ; its posterior lateral branch, wide shallow, obscurely striat- 

 ed ; the enclosed part smooth and shining, broader than long, 

 rounded behind. 9 . 



Length 10 ; terebra 10 mm. 

 Hab. Kuching. May. 



Scape of antennae more than twice longer than wide ; the 

 pedicle clearly separated, wider than long. Face flat, smooth ; 

 clypeus .not very clearly separated, from it ; broadly rounded 

 above. Temples long, as long as the antennal scape, straight, 

 not obliquely narrowed behind ; occiput transverse. Malar space 

 excavated. First abdominal segment distinctly longer than the 

 second ; its basal depression longer than broad, rounded at the 

 apex ; the striae irregular, the outer more or less curved. Fore 

 tarsi very long, more than twice the length of the tibiae. The 

 hair is not very thick on the legs ; the middle coxae and tro- 

 chanters fuscous. The abdomen is as long as the length of the 

 head and thorax united. Characteristic of this species are the long 

 front tarsi. 



Black ; the head, thorax, antennal scape and fore legs red, 

 the fore legs paler, more yellowish in tint ; wings fuscous, the 

 stigma and nervures black ; face rugose ; 1st. abdominal seg- 

 ment with a stout keel down the middle and with 2 indistinct 

 ones on either sides ; the 2nd. sparsely, irregularly striated ; the 

 basal plate small, longer than broad, obliquely narrowed at the 

 base and apex, its keel stout, reaching to the apex ; suturiform 

 articulation wide, striated, the striae extending beyond the fur- 

 row. Ovipositor densely covered with long black hair. 9 . 



Length 8 ; terebra 12 mm. 

 Hab. Kuching. May. 



Scape of antennae somewhat more than twice longer than 

 broad, the 2nd. joint of equal width, longer than broad ; tne 3rd. 

 narrowed at the base, slightly longer than the 4th. Sides of 



Jour. Straits Branch 



