262 The Philippine Journal of Science 1921 
ical, with base located at about two-thirds the distance from 
dorsal to ventral surfaces of head. Gene broadly swollen 
ventrad but not produced into genal cones. Eyes elong- 
ately subhemispherical, about two-thirds as thick as dis- 
tance from margin of eye to median suture of vertex. Ante- 
rior ocellus flatly subhemispherical, subequal in diameter to 
antennal segment III, located mediad on anterior surface of 
head. Posterior ocelli subhemispherical, somewhat smaller than 
anterior, located near apices of angles formed by caudal and 
lateral margins of vertex. Antennz about one and five-eighths 
times as long as width of head including eyes; segments I and 
II subequal in diameter, about one and two-thirds times diam- 
eter of III; the rest of the segments subequal in diameter to 
III; two slender apical sete, subequal in length to apical seg- 
ment, to which they are attached. 
Thorax not strongly arched, about one and one-eighth times 
as long as wide; thickness about seven-ninths of length. Pro- 
notum and mesoprescutum somewhat deflected cephalad but not 
depressed below level of adjoining sclerites; surfaces subcon- 
fluent. Pronotum about seven times as wide as long, termi- 
nating laterad slightly below level of eyes in a knoblike swelling. 
Mesoprescutum about two and three-fifths times as long as 
pronotum, about two and seven-tenths times as wide as long, 
irregularly subelliptical, more strongly arcuate at caudal than 
at cephalic margin, somewhat acutely produced laterad. Meso- 
scutum about one and three-tenths times as long as mesopre- 
scutum, about two and two-fifths times as wide as long, irregular- 
ly subreniform; a short, spinelike projection from each lateral 
margin. Mesoscutellum about half as long as mesoscutum, about 
half as long as distance between points of attachment of axil- 
lary cords, truncate at cephalic margin, with a depressed, an- 
teriorly directed projection which is confluent with surface of 
mesoscutum. Forewings subelliptical, slightly narrowed basad, 
rounded at apex; R and M+ Cu subequal in length; pterostigma 
open proximad, slightly longer than first marginal cell; Rs, M, 
Cu, and ana] margin of wing subparallel and subequidistant; 
first marginal cell elongate, about three times as large as second. 
Legs moderately long, femora about two and a half times as 
thick as tibize; eight moderately long, dark brown, distal spines 
on hind tibize; meracanthi about two and one-fourth times 48 
long as thick, slightly deflected apicad. 
Abdomen about one and one-seventh times as long as thorax, 
about one and one-eighth times as long as thick, about as thick 
