1 6 Lazwence B rimer 



both sides above or only on the inner 

 side. 



k. Fore, or both front and middle tibiae 

 armed with long spines decreasing 

 in length towards the apex. 



Listroscelidae. 



kk. Fore and middle tibiae armed with 



short or medium spines. 



/. All the femora unarmed beneath, 



rarely the posterior ones spined on 



the outer, sometimes on both sides. 



(Size usually smaller.) 



Conocephalidae. 

 [Xiphidiidae.] 

 //. All the femora usually spined below, 

 rarely the posterior ones armed 

 only on the outer side, in which 

 case the fastigium of the vertex is 

 either forked or extended consid- 

 erably beyond the basal joint of 

 the antennae. (Usually larger.) 

 111. Fastigium of the vertex gen- 

 erally noticeably narrower 

 than the basal joint of the 

 antennae, sometimes dorsally 

 sulcate. 

 n. Front smooth and shining, at 

 most with few small and 

 scattered punctures. 



Agraecidae. 



nn. Front entirel^^ or at least the 



sides, strongly and densely 



punctured or even spinose. 



Salomonidae. 



Dim. Fastigium of the vertex usually 



distinctly broader than the 



basal antennal joint, never 



sulcate Copiphoridae. 



gg. Anterior tibiae with a terminal spine above on the 

 the outer side. 

 /;. First joint of the posterior tarsus provided with 

 a conspicuous free plantula beneath. 



Decticidae. 

 2IO 



