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VI. Catalogue of the Phytophagous Coleoptera of Japan, 

 loith descriptions of the species neio to science. 

 By Joseph S. Baly, F.L.S. {continued from 

 page 99, vol. for 1873). 



[Read 1st December, 1873.] 



Fam. EUMOLPIDiE. 



Genus Xanthonia, Baly. 



Journ. of Entom. ii. (1863), p. 151. 



The present insect is peculiar to Japan ; all the other 

 known species of the genus are American. 



Xanthonia placida. 



Oblonga, fulva, pilis suberectis concoloribus vestita, 

 peclibus antennisque flavis, oculis nigris. 



Long. 11 lin. 



Hab. — Nagasaki ; apparently common. 



Head shming, sjxiriugly clothed with fulvous hairs ; 

 vertex distantly punctured ; eyes large, prominent, black ; 

 antennie pale yellow, slightly stained with fulvous towards 

 the apex. Thorax scarcely broader than long, convex, 

 sides rounded, narrowed at base and apex; disk very 

 slightly flattened, closely and deeply punctured. Elytra 

 broader than the thorax, sides parallel ; above convex, re- 

 gularly and closely punctate-striate, the punctures deeply 

 impressed. Legs pale yellow, unguiculi pale piceous. 



This insect has the disk of the thorax much less 

 depressed than in the American species of the genus. 



Genus Lypesthes, Baly. 



Journ. of Entom. ii. (1863), p. 152. 



This genus at the present time contains only a single 

 species, which has also been sent from Northern China by 

 Fortune. 



TKAXS. ENT. SOC. 1874. — PAET II. (aPR.) 31 



