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XIX. The genus Hyliota, of the Coleopteroits family 

 Cucujidse, with descriptions of neto forms and a List 

 of the described species. By Gilbert J. Arrow, 

 F.E.S. 



[Read Nov. 6th, 1901.] 



The genera Hyliota, Latr. {Brontes, F.), and Dendro- 

 phagus, Schonh., have been distinguished by characters 

 furnished by their respective European representatives, H. 

 planata, L., and D. crenatus, Payk., two rather widely 

 differing forms, but the confusion occasioned by the 

 result of authors' attempts to distribute subsequently 

 described species between the two genera shows the 

 difficulty experienced in applying those distinctions to 

 the species now known from all parts of the world. 

 Indeed a glance at the various types assigned to Hyliota 

 will show that several genera might be formed from these, 

 having at least as substantial differences as those of the 

 typical representatives of Hyliota and Dendrophagus. 

 The recognized distinctions between the latter are found 

 in the form of the prosternum and mesosternum, the 

 shape of the last joint of the labial palpi and the lateral 

 margins of the prothorax; but these characters show so 

 many degrees of difference, and by their inconstancy seem 

 so superficial, that, after an examination of nearly all the 

 known species, it appears to me most natural to unite all 

 in a single genus, which should be called Hyliota, that 

 name being the oldest of the three now in use. 



This course will obviate much future confusion and 

 difficulty, for the characteristics of the genus so constituted 

 are well-marked. The chief are the elongation of 

 the joints of the antennae, the large, more or less club- 

 shaped, scape, the widely-separated anterior coxae, the 

 truncate prosternum and the not-lobed tarsi. 



Of nine species assigned to Dendrophagus in Gemminger 

 and Harold's Catalogue, three New Zealand insects have 

 already been removed to another genus and the three 

 names standing for North American species pronounced 

 synonymous. Of the three remaining, one has been 

 redescribed as a species of Hyliota, and the other two 

 (inhabiting Europe and Australia respectively) are not 

 nearly allied. 



TRANS. ENT. SOC. LOND. 1901. — PART IV. (DEC.) 



