87 



3a Pronotum crested or tuberculate or carinate. Head shorc- 

 er than the pronotum (6) 



4 X'ertex sulcate longitudinally without an articulated appen- 

 dix ; fore tibiae a little dilated (5) 



4a \ ertex not sulcate, longitudinally, but with an articulated, 



elongate apical appendix ; fore tibiae not dilated 



I Diestostemma 



5 Vertex prolonged filifcM-nily; ocelli about as far from one 

 another as from an eye ; antennae short. Tegmina reti- 

 culate apically 2 Bascarvhinus 



5a Vertex not prolonged filiformly ; ocelli about twice as fa: 

 from another as from an eye ; tegmina not reticulate. 3 Cicius 



Pronotum crested 4 Zyzsa 



6a Pronotum not crested (7) 



7 Pronotum with 2, compressed, diverging horn-like append- 

 ages 5 Zyssogeton 



/'d I'ronotum with 2 crescentiform tubercles 



6 LcHcopcpla (type Tcttigonia bituberculata Sign.) 



8 X'ertex triangular, strongly narrowed, with a filiform, non- 

 articulated, apical process (9) 



8a \'ertcx rounded apically (or if triangular, then not pro- 

 duced) (12) 



8b X'ertex triangular, with a subfoliaceous (or foliaceous?) 

 process which curves back so as almost to touch the prono- 

 tum 7 IVolfella* 



9 Vertex not gradually passing into the apical process, which 

 is much narrower than the apex of the vertex proper; fore 



tibiae dilated 10 Rhaphirhimis 



()'d X'ertex gradually merging into the apical process ; fore ci- 

 biae scarcely, if at all, dilated (10) 



10 \'ertical prolongation widening a little apically, not sulcate, 



truncate ; vertex indistinctly sulcate 



11 Syringophora (type Tcttigonia brcvis Walker). 



10a X'ertical prolongation narrowing to the apex, sulcate; ver- 

 tex distinctly sulcate (n) 



T T Pronotum posteriorly truncate 12 Acrobehis 



Tia Pronotum posteriorly emarginate 13 Catorthorrhinus 



\2 Fore tibiae flat or sulcate (13) 



13a \>rtex longitudinally sulcate; pronotum nearly always dis- 

 tinctly narrowed in front ; hind margin of propleura dis- 

 tinctly rounded or produced (18) 



* 8 SiAonia and 9 Propetcs seem to Ije allied here, bnt I have not the description of 

 the former and do not know either in natnre. 



