302 'The Philippine Journal of Science 1917 



slightly Insinuate ; length of exposed cheek margin one and one- 

 half times the distance from ocelli to eyes, the latter distance threa 

 fourths of that from ocelli to occipital carina or three fourths 

 the long diameter of an ocellus ; surface of vertex smooth and shin- 

 ing ; ocelli large, separated by about half their diameter ; surface 

 in front of anterior ocellus shining and obscurely, sparsely, ra- 

 diately striate. 



Face as long as wide above, where the eyes are rather deeply 

 emarginate, narrowed below by the strongly curving eye margins ; 

 surface slightly raised medially and with an obscure fold next to 

 eye, shining and faintly, longitudinally wrinkled above, and with 

 few scattered obscure punctures; mouth opening elliptical, very 

 broad, its upper margin broadly curved; clypeus short, trans- 

 verse, the basal suture subobsolete, clypeal pits close to eyes; 

 outer surface of mandibles minutely roughened. 



Head viewed from side with face evenly curved below antennae ; 

 cheeks rather broad below, about one third breadth of eye, 

 slightly broader above ; malar space and cheek smooth and shin- 

 ing; eye short and very broadly subelliptical, broadest on lower 

 half. 



Mesonotum deeply trilobate, smooth or minutely roughened, 

 shining, notauli deeply impressed, conspicuously crenulate and 

 terminating posteriorly at the middle of the narrow, sharply 

 rimmed, median furrow on posteromedian area. Scutellum ante- 

 riorly deeply bifoveate, fovese separated by a sharp median 

 carina; disk of scutellum nearly smooth, its tip crossed with 

 piceous. Postscutellum with a large subcircular median fovea, 

 which is rugose within. Metanotum strongly rugose, its surface 

 very uneven ; a shallow median furrow is crossed by irregular 

 rugse, but followed apically by a very short median carina; on 

 either side of the median furrow at one third the length from 

 apex is a low, irregular, crested area from which rugse radiate; 

 spiracle elliptical, an irregular, longitudinal carina passing for- 

 ward from just below spiracle, a longitudinal depressed area with 

 transverse rugse posterior to it; metapleura rugose; mesopleura 

 below and anteriorly obscurely rugose, remainder nearly smooth, 

 on posterior one fourth with a blunt vertical ridge; depressed 

 area beneath wing broad and shallow. 



Abdomen subpedicellate, nearly twice the length of head and 

 thorax together, widest at third tergite; six tergites fully ex- 

 posed; first tergite very slender basally to spiracles, which are 

 situated at one third of length from base, thence very gradually 

 widening to apex, Mddth at base about one half that at spiracles 



