614 The Philippine Journal of Science 1921 
b'. Suture granulose-punctate; intervals even in basal half costulate; 
third interval without a white scale stripe. Philippine Islands. 
0. intricata Faust. 
b*. Suture minutely and remotely seriate-punctate; intervals in basal 
half flattened, the third, in apical half, densely white scaled. Phil- 
Spt ge COE FES SI Sai aaese yey reste een ar eo 0. albolinea sp. nov. 
a’. Strie of elytra much narrower than intervals. 
c’. Prothorax deeply impressed at base before scutellum. New Guinea. 
0. crucigera Pasc. 
c’. Prothorax without a deep impression before scutellum. 
d'. Sides of prothorax with a group of acute, spinelike granules be- 
fore the constricted apical part. 
e’. Elytra dark brown, scaled with scattered black dots. New 
WRN cccddtndcc tater ak lap bande tines Seber. cocecui lan Linea 0. maior Heller. 
e*. Elytra with a large semicircular lateral patch, which occupies 
nearly the whole lateral margin and touches inside the second 
stria. New Guinea.... be acne A ene. . 0. lateralis Heller. 
d@’. Sides of prothorax without spinelike granules. 
f'. Elytra distinctly produced at apex of suture into an acute point; 
when not produced, then the size of body is less than 5 
millimeters. 
g’. Front tibie strongly compressed, cultrately curved. 
h*. Prothorax equidistantly granulate, elytra short-ovate. Cele- 
bes 0. congesta Pasce. 
h?. Prothorax irregularly dispersed granulate, elytra oblong 
ovate. 
@. Scutellum circular, intervals of elytra with a single row of 
_very remote granules. Philippine Islands. 
0. subsulfurea sp. nov. 
@. Seutellum elongate-elliptic, elytra on the intervals irregu- 
larly, partly densely granulate. Philippine Islands. 
0. chlorizans sp. nov. 
g’. Front tibiz neither compressed nor curved. 
j. Elytra with a large, common, dark sutural spot; length of 
body more than 10 millimeters. 
k*. Sutural patch roundish, situated at base and extending 
backward to middle of suture. Philippine Islands. 
0. mindanaoensis Heller. 
k?, Sutural patch transverse, roundish, situated behind mid- 
dle of suture. Philippine Islands ... 0. sellata sp. nov. 
j*. Elytra without a common dark sutural patch; length of 
body usually less than 10 millimeters. 
['. Elytra without pure white spots, chiefly gray scaled, 
except a brownish stripe at base of the inwardly 
curved third interval. Philippine Islands. 
0. bilineola sp. nov- 
’. Elytra with eight pure white spots. Philippine Islands. 
' 0. octopunctata sp. nov. 
f’. Elytra not produced into a point at apex of suture. 
m’. Elytra with bicolored scaling. 
n'. Apical part of elytra entirely or, at least, partly dark. 
