The Philippine Journal of Science 



k\ Lines on elytra broader, transverse bands not in- 

 terrupted; size large for the group. 

 P. Elytra with a broad irregular transverse band 

 and broad and abbreviated irregular longi- 

 tudinal stripes P. halconensis Schultze. 



P. All lines on elytra much narrower than in hal- 

 conensis. 

 m\ Elytra with the dorsolateral longitudinal 

 lines interrupted in the middle but con- 

 tinuous on apical half. 



P. decussatus Waterh. 

 m\ Dorsolateral lines on basal half of elytra 

 discontinuous with that of apical half. 



P. phaleratus Waterh. 

 f. Prothorax with either a longitudinal medial line or 

 dorsolateral longitudinal lines. 



n\ Prothorax only with dorsolateral longitu- 

 dinal lines, and a band at anterior and 

 posterior margins... P. libucanus sp. nov. 

 n ! . Prothorax without dorsolateral lines, but a 

 medial line or marking connected with a 

 transverse line or marking before the 

 middle. 

 o\ Basal half of elytra covered with pink 

 scales except for one large bare cir- 

 cular sutural spot... P. jugifer Waterh. 

 o\ Basal half of elytra variously marked, 

 but never with a single circular sutural 



p\ Basal half of elytra with from three 

 bare circular areas to one continuous 

 transverse area, scaled areas bluish 

 green, pinkish, and various other 

 colors, not brilliant 



P. orbifer Waterh. 

 q\ All lines and bands of elytra broken 

 up into fine pale yellow interrupted 

 lines inclosing circular spots. 

 P. orbifer var. circulifer Waterh. 

 q\ Elytra with more or less well defined 

 spotlike bare areas; scaled areas 

 brilliant greenish golden or cop- 

 pery. P. orbifer gemmans Waterh. 

 q*. Elytra with transverse bare areas 

 confluent along suture, scaled 

 areas brilliant reddish. P. orbifer 

 gemmans var. ardens Chevr. 

 q.* Each elytron with three large well- 

 defined transverse dark blue spots. 

 P. orbifer azureus Schultze. 



