XII, D, 2 Muir: Derbidse of the Philippine Islands 55 



Key to the genera of Philippine Cenchreinse. 



a\ Subcosta and radius separate from near base, subcostal cell long. 

 b^. No subantennal process, or, if present, very small. 



c\ Shoulder keels large, forming a distinct antennal chamber. 



Phaciocephalus, 

 c". Shoulder keels absent or very small, forming no distinct antennal 



chamber Goneokara. 



6^ Subantennal process well developed. 



(f. Subcosta and radius separate from near base; tegmen with apex 



broad, roundly truncate Herpis. 



dr. Subcosta and radius separate slightly before middle; tegmen long, 



apex pointed Neocyclokara. 



a^ Subcosta and radius contiguous to middle or beyond; subcostal cell short. 



e^. Subantennal process absent or but slightly developed Vekunta. 



e-. Subantennal process present. 

 /'. Antennas reaching to apex of head, large and flattened.. ..Neolamenia. 

 /■. Antennffi small, subovate or subpyriform Lamenia. 



Key to the genera of Philippine Otiocerinse. 



a'. Media not contiguous to radius or separating before the forking of 

 subcosta and radius. 

 V. First median sector arising before the apical third of tegmen. 



c\ Forking of subcosta and radius occurring at or before the middle 

 of tegmen; subcostal cell long. 

 cP. Antennae with first joint long, much longer than wide. 



e^. No subantennal process Dendrokara. 



e^. Subantennal process present Neodendrokara. 



cf. First joint of antennae short; not or but little longer than wide. 

 f. No subantennal process. 



5'\ In profile vertex and face forming a curve, not produced 



greatly in front of eyes Pyrrhoneura. 



g^. In profile head angular or extending well in front of eyes. 

 h^. Carinas of vertex meeting at apex, in profile angular at 



junction .of face and vertex c? Phantasmatocera. 



h'. Carinse of vertex not meeting, in profile face and vertex 



forming a continuous curve ? Phantasmatocera. 



f. Subantennal process present. 



a^. In profile head with vertex forming a curve, face not greatly 



produced Nesokaha. 



r*. In profile head with vertex quadrate or angular, greatly 



produced Kaha. 



c^ Forking of subcosta and radius beyond middle of tegmen; subcostal 

 cell short. 

 f'. In profile vertex and face obtusely angular; face strongly curved, 



especially on apical half Eosaccharissa. 



f. In profile vertex and face acutely angular; face only slightly 



curved Kamendaka. 



6^ Median sectors confined to apical third of tegmen. 



A;'. Costal edge of tegmen not entire Banksiella. 



k.^ Costal edge of tegmen entire. 



r. Eyes in front reaching nearly to base of clypeus. 



