202 Philippine Journal of Science 1919 
a \ Genas not produced into conical processes, but somewhat spherically 
swollen beneath antennal bases and protruding vertex; with a prom- 
inent dark vitta on each side of head and thorax and extending 
to tip of each forewing. (Hawaii.) 
C. bivittata Crawford (’18: 454). 
Cerotrioza corniger sp. nov. Plate III, fig. 12. 
Length of body, 1.9 millimeters; forewing, 2.6. General color 
brown, mottled and banded with yellowish white; vertex with 
margins and median suture bordered with dirty white ; pronotum 
with three whitish points ; notum of thorax with irregular stripes 
and bands of dirty white; abdomen mostly dark brown; legs 
yellowish, femora with brown spots; antennse pale brown. 
Head slightly declivous, as broad as thorax; vertex about 
three-fifths as long as broad between eyes, with a relatively large 
foveal depression on each side of median line, anterior horns 
situated over genal cones and about half as long as latter, acute 
and upturned; front ocellus visible from above; genal cones 
about half as long as vertex, directed forward, divergent, bluntly 
pointed, scarcely hairy. Antennse about one and one-half times 
as long as width of head, slender. 
Thorax narrow. Legs long and slender, especially the tibiae; 
hind tibise with very small basal spur and a larger, black sub- 
apical spine. Forewings nearly opaque, membrane thickened 
and whitish or pale brownish with numerous small, dark brown 
spots all over ; broadest subapically but the apex abruptly acutely 
pointed ; first marginal cell about twice as large as second. 
Abdomen long. Female genital segment nearly as long as 
abdomen, slender, acutely pointed. 
Singapore {Baker), 1 female. 
Cerotrioza microeeras sp. nov. Plate III, fig. 10. 
Length of body, 2.2 millimeters; forewing, 3.1. General color 
grayish white with pale brown markings on mesonotum and 
pleurae ; legs pale ; antennae yellowish with black tip ; abdomen 
light brown. 
Head somewhat declivous, not quite as broad as thorax; ver- 
tex about three-fourths as long as broad, with an irregular star- 
shaped depression on each side of median line, a pair of small 
epiphyses in front adjoining median suture and a larger pair 
outside of these, the latter scarcely one-fourth as long as genal 
cones; front ocellus visible from above. Genal cones a little 
more than half as long as vertex, divergent, bluntly pointed, 
directed forward, somewhat pubescent. Antennse a little more 
than twice as long as width of head. 
