Mr. G. Lewis on Firotylidds from Japan^ 55 



and this is the rule also in the Chrysomelidse. In the wood- 

 feeding Lucanidge the males again are the largest, and this 

 character is a family one ; it is not generic or specific. In 

 the Cerambycidse it is not constant either way, the female is 

 smallest in Monohammus grandis^ Waterhouse, but the males 

 are more usually so. 



I have placed Microsternus and Megalodacne among the 

 Dacnini because the tarsi are visibly five-jointed. The species 

 placed under Encaustini have no true prosternal keel. 



There is only one synonym to record, which is very satis- 

 factory. 



List of Species, arranged generically and according to their 

 specific similitude. 



Dacnini. Cyrtotriplax nigropunctata, 



-r, . • ^ ^ T pallidiventris, 



Dacne japomca, Crotch. cenchris. 



^ict^, Crotch. maculifrons. 



f °^"^- discalis. 



— -fungorum rufipennis. 



Microsternus perforatus, Leiuis. niponensis, Leiois. 



p^^tehi. solivaga. 



t^?«°l?^- circumcincta. 



-—higomus _ tripartiaria. 



Megalodacne bellula, Lewis, basalis 



similis. 



Encaustini. ruficornis. 



Encaustes prsenobilis, Lewis. connectens. 



Episcapha Fortune!, Crotch. Triplax gracilenta, Solsky 



Gorhami, Lewis. Isihirica, Crotch]. 



taisboensis, Leivis. devia. 



hamata, Leivis. amonia. 



Renania atrocyanea. suinava. 



laetabilis. 



Triplacini. canaUcollis. 



discicollis. 



Neotriplax atrata. japonica, Crotch. 



Lewisii, Crotch. atricapilla. 



biplagiata. Eudsemonius tuberculifrons. 



pallidicincta. 



Cyrtotriplax sobrina. Ekotylini. 



centralis, Aulacochilus Bedell, Harold. 



pantherina. japonicus, Crotch. 



latifasciata. Satelia scitula. 



The three following genera have tarsi with five distinct 

 joints : — 



Dacne japonica. 

 Dacne japonica, Crotch, Ent. Mon. Mag. is. p. 188 (1873). 

 This species is not very common ; it has been taken at 



