614 
The Philippine Journal of Science 
1921 
6\ 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- 
ippine Islands 0. albolinea sp. nov. 
a 2 . Strife of elytra much narrower than intervals. 
c 1 . Prothorax deeply impressed at base before scutellum. New Guinea. 
0. erucigera Pasc. 
e 2 . Prothorax without a deep impression before scutellum. 
d 1 . Sides of prothorax with a group of acute, spinelike granules be- 
fore the constricted apical part. 
e 1 . Elytra dark brown, scaled with scattered black dots. New 
Guinea 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 0. lateralis Heller. 
d 2 . 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 tibiae strongly compressed, cultrately curved. 
h 1 . Prothorax equidistantly granulate, elytra short-ovate. Cele- 
bes 0. congesta Pasc. 
h 2 . Prothorax irregularly dispersed granulate, elytra oblong 
ovate. 
i 1 . Scutellum circular, intervals of elytra with a single row of 
very remote granules. Philippine Islands. 
0. subsulfurea sp. nov. 
%\ Scutellum elongate-elliptic, elytra on the intervals irregu- 
larly, partly densely granulate. Philippine Islands. 
0. chlorizans sp. nov. 
g 2 . Front tibiae neither compressed nor curved. 
j\ Elytra with a large, common, dark sutural spot; length of 
body more than 10 millimeters. 
k 1 . Sutural patch roundish, situated at base and extending 
backward to middle of suture. Philippine Islands. 
0. mindanaoensis Heller. 
k 2 . Sutural patch transverse, roundish, situated behind mid- 
dle of suture. Philippine Islands ... 0. sellata sp. nov. 
j 2 . Elytra without a common dark sutural patch; length of 
body usually less than 10 millimeters. 
1 1 . 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. 
1 2 . Elytra with eight pure white spots. Philippine Islands. 
0. octopunctata sp. nov. 
f 2 . Elytra not produced into a point at apex of suture. 
m 1 . Elytra with bicolored scaling. 
n 1 . Apical part of elytra entirely or, at least, partly dark. 
