Phytophagous Coleoptera of Japan. 207 



side the median lobe, the latter truncate; upper surface 

 transversely convex, finely but distinctly punctured, the 

 punctures near the basal margin coarser and more strongly 

 impressed. Elytra broader than the thorax, strongly 

 punctured, the punctures arranged in irregular longi- 

 tudinal striae, their interspaces shining, impunctate. 



Genus Apteeopoda, Redt. 



Faun. Austr. 542. 



Apteropoda nigro-'picea. 



Rotundato-ovata, postice attenuata, valde convexa, 

 nigro-picea, nitida, antennis pedibusque piceo-fulvis, 

 femoribus posticis piceis ; thorace sparse et tenuiter punc- 

 tato, utrinque basi linea brevi impresso ; elytris regula- 

 riter punctato-striatis, interstitiis la^vibus, impunctatis. 



Long. 1 — 1^ lin. 



Hob. — Nagasaki. 



Front smooth, impunctate, separated from the face by a 

 ti'ansverse slightly curved groove, Avhich extends across 

 between the upper angles of the eyes ; lower portion of 

 face rufo-piceous. Thorax transverse, sides straight and 

 parallel, produced before the middle into a short acute 

 tooth, thence obliquely converging to the apex ; surface 

 transversely convex, distantly and finely punctured, im- 

 pressed at the base on either side with a short longitudinal 

 groove. Elytra broadly ovate, attenuated towards the 

 apex, convex, regularly punctate-striate, the interspaces 

 smooth, impunctate. 



Genus Plectroscelis, Redt. 



Faun. Austr. 539. 

 \y Plectroscelis granulosa. 



Ovata, convexa, nigra, nitida, femoribus anticis quatuor 

 piceis, tibiis, tarsis antennarumque basi fulvis; thorace 

 subfortiter punctato, interstitiis granulosis ; elytris fortiter 

 punctato-striatis, interspatiis exterioribus subcostatis. 



Long. ^ lin. 



Hab. — Nagasaki. 



Front separated from the encarpre on either side by an 

 oblique groove ; encarpce divided from each other by the 

 linear carina, which runs vipwards to join the front; 

 antennas three-fourths the length of the body, three lower 



