20 ACRYDIIN.i:. 



9, Mnema pelops, Wall: 



Cladoiiotus pelops, Walker, Cat. Derm. Salt. B.M. v, 1871, p. 843. 



Blackish, stout. Head ^ith a spine ou each side of the vertex 

 adjoining the eye ; front with a tubercle on each side, two keels 

 in the middle part ; a single keel towards the vertex, and a forked 

 keel towards the face ; eyes extremely prominent. Antennae 

 very slender. Prothorax rugose, with a middle keel which is 



Fig. 21. — Mnema pelops. 



Fig. 20. — Mnema pelops. 



most distinct in the fore part ; sides dilated into membranes, each 

 of which is armed with four spines ; hind part lanceolate, 

 extending somewhat beyond the tip of the abdomen. Legs 

 stout ; femora armed with teeth ; hind tibiae [now lost] with very 

 short spines. Wings rudimentary. 



Lewjth 9 mm. 



Cktlox. 



Tyjie in the British Museum. 



Walker calls the specimen a female, but it appears to be a 

 male. 



Group III. SCELUIENINI. 



Key to the Genera. 



1 (^8) Antennae inserted distinctly below 



the eyes. 



2 (5) Borders of the hind tibise and of the 



first joint of the hind taisi with 

 wide lamellar expansions. 



3 (4) Pronotum very long, projecting 



greatly beyond tlie abdomen .... Scelimena, Serv., p. 2L 



