28 



REVISION OF THE AMYCTERIDES, \T.. 



83 (88 



mas/ers! Macl. 



Spines noticeably shorter dod J i, n.sp. 



Posterior tibiae simple. 



Ovate, strongly convex, very spinose species hystrix Bohem. 



Small, narrow, elongate; tubercles conical bivittatus Bohem. 



Supraorbital crests simple or compound, the rami never arising 



separately . 



Lateral prothoracic tubercles subcylindrical, or peg-like. 



Crests biramate, the rami slender tribu/m Macl. 



Crests with rami stouter; the lateral prothoracic tubercles shorter. 



sijiiiilator Ferg. 

 Lateral prothoracic tubercles acute. 

 Elytra rounded at base, without humeral angles. 

 Elytra with more or less marked hiuneral tubercles. 

 Subapical elytral spines present. 



Supraorbital crests single gladiator Pasc. 



Supraorbital crests compound. 

 Crests triramate. 



Elytral tubercles few and separate niveovittatus Blackb. 



Elytral tubercles of first row smaller, more numerous and more closely 



set y>(r7/X'//«f;/.f/.? Blackb. 



Supraorbital crests biramate. 



Subapical spines well developed, acute hypolcucus Bohem. 



Spines mere spicules; crests larger and thicker crassideiis Macl. 



Elytra without subapical spines. 



Apical tubercle of submedian prothoracic row distinctly larger than 



others of the row. 



Large, elongate species sutntalis V,o\\^m. 



Shorter, more ovate species lateralis Bohem. 



Apical tubercle of submedian prothoracic row not longer than others 



of the row. 



Supraorbital crests arising from a comparatively broad base behind 



the intercristal ridge. 



Intermediate tibiae with a deep subapical notch in c7- 



Clothing markedly vittate /;//wc/<7//.v Macl. 



Clothing of elytra uniform ciiprcoinirajis, n.sp. 



Intermediate tibiae simple ocelligcr, n.sp. 



Supraorbital crests arising from a comparatively narrow base. 

 Prothorax with submedian row of tubercles in single series. 



Crests compound Ar/,-/ Blackb. 



Crests simple. tragoceptiahis, n.sv>- 



Prothorax with tubercles of submedian row irregularly arranged in 

 centre siuifileA' Pasc. 



1. — Hostrum separated from bead by a transvei-sc groove: prothorax not 

 need over head, ocular lobes absent : — 



Lateral prothoracic margins with outwardly projecting trianguliform 



tubercles. 



Posterior, lateral, prothoracic tubercle strongly developed. 



Elytral tubercles strong, spinose. 



Supraorbital crests simple aiireolns Bohem. 



Supraorbital crests bidentate tiasirorii is Pasc. 



Elytra granulate, without definite tubercles. 



Supraorbital crests triramate rrei/aticollis Mic\. 



Supraorbital crests biramate tcrrae-regiiiae, n.sp. 



Posterior, lateral, prothoracic tubercle granuliform, 



Elytral punctures and granules distinct e.viviius Mad. 



