BY G. F. HILL. 101 



oval. Antennae 16-jointed, hairy, springing from a circular cleft 

 in front of the eyes; 1st joint long, stout, cylindrical; 2nd and 

 3rd smaller, slightly turbinate, with few hairs; 4th short, hairy; 

 5th to 15th longer, turbinate, becoming more slender and stalked 

 towards the tip; 16th slender, elongate-oval. Clypeus large, 

 broad, convex, with an indistinct median suture, lobed in front. 

 Labrum narrow at the base, swelling out on the sides, rounded 

 in front. Palpi stout, hairy. Jaws large, stout; right mandible 

 with two, sharp, angular, stout teeth at apex, followed by a much 

 shorter and blunter one, and a large serrated basal tooth; left 

 mandible with two, sharp apical teeth, the hindermost connected 

 with a third and smaller pointed one by a long cutting edge; at 

 the base of the mandible there is a large, irregular, blunt tooth 

 Opposed to the serrated tooth on the right. Prothorax hairy, 

 wider than long, narrower than head, with median suture, straight 

 along the front margin, rounded on the sides and hind margin, 

 front margin slightly bent up in the centre. Scapular shields 

 hairy, rugose; cross-suture transverse. Wings large (fore wing 

 15|mm. long, by 4jmm. in width; hindwing 14§mm. long, by 

 i^ mm. in width), rounded at the tips, base of the costal and 

 below subcostal nervures yellow, rest of wings smoky. Forewing, 

 costal and subcostal nervures stout, running close together and 

 nearly parallel to the tip of the wing; median nervure running 

 through upper half of the wing for two-thirds of its length, with 

 three simple nervelets, the first two of which are long and slender; 

 submedian nervure slender, parallel to the median to a little 

 beyond the first branch in the latter, then curving downwards 

 to the hind margin, with eleven simple, oblique nervures, the 

 first five of which are very stout. Hindwing similar to forewing, 

 excepting that there is usually one less oi)lique nervure from the 

 submedian. Legs strong, hairy; claws and tibial spines long and 

 slender. Abdomen large, elongate-oval, bluntly rounded at the 

 tip, covered with fine hairs; cerci short, cone-shaped, hairy. 



^weer?.. - General colour creamy-white; chitinous plates dark 

 brown, fringed on the hind margin with fine hairs; connecting 

 membrane glabrous. Total length, 25mm.; diameter of abdomen, 

 8 mm. 



