﻿1 64 



6 Lateral keels of frons continuing acutely to apical margin 



4 BasUcoccphalns 



6a Lateral keels of frons flattening out apicallv 



5 Phaciocephahis 



7 Antennae not projecting beyond the anterior margin of the 



head (in profile or dorsally) (8) 



7a Antennae projecting beyond the anterior margin of the head 



• (23) 



8 Antennae scarcely more than twice as long as wide. ... (9) 

 8a Antennae more than three times as long as wide (20) 



9 Wings developed ( 10) 



9a Wings rudimentary 19 Muiria 



10 Head narrower than pronotum ....(ii) 



loa Head wider than proncttum 18 Philadclphcia 



I y Subcostal vein of tegmen simple (12) 



T I a Subcostal vein of tegmen granulate 17 Ncsoniphas 



12 Tegmina broader and less elongate, or if elongate then 



strongly widening apicallv ; wings longer in proportion 



•••: ' ^•••■•- (13) 



12a Tegmina narrow and elongate; wings much shorter.... 

 16 Proutista 



13 Vertex transverse, apically truncate, separated from frons 



by a transverse keel, scarcely extending before the eyes 



7 Lamenia 



13a Vertex more or less elongate, distinctly not transverse. (14) 



14 Vertex elongate, apically truncate, tegmina widening very 



strongly towards the apex 15 Lyriccn 



14a Vertex with lateral margins acute and parallel, not separat- 

 ed from the f reus by a cross keel 8 Rhotana 



14b Vertex elongate, angulate, extending in front of the eyes 



^ ^- • -• (15) 



15 Antennae not (or very feebly) tuberculate (16) 



15a Antennae subrotundate, strongly tuberculate 13 Kaha 



16 Head sublinearly elongate as seen dorsally, more than four 



times as long as an eye 14 l wait a 



1 6a Head not as above ( J[7 ' 



17 Lateral margins of vertex narrowly (or not) reflexed, clos- 



er at base, feebly sensorized (18) 



17a Lateral margins of vertex more reflexed. w^ell separated at 

 base, usually strongly sensorized (19^ 



18 Antennae short 9 Levii 



