Phytophagous Coleoptera of Japan. 201 



than the thorax, regularly ovate, coarsely and rather closely 

 punctured, interspaces smooth ; each elytron with a large, 

 ill-defined, round, piceous patch, placed on the middle of 

 the disk, scarcely below the middle. 



Thy amis amicula, 



Elongato-ovata $ ; ovata, postice ampiiata $ , pallide 

 piceo-fulva, nitida, antennis basi pedibusque flavis, femo- 

 ribus posticis pallide piceis, oculis nigris ; thorace Ifevi, 

 elytris tenuiter punctatis. 



Long. I — 1 lin. 



Hab. — Nagasaki. 



Vertex swollen, convex, smooth, impunctate on either 

 side the front, just -within the margin of the eyes are a 

 few faint transverse strias ; carina linear ; encarpae not 

 separated from the front, but divided from each other by 

 a short piceous groove ; antennas slender, linear, exceeding 

 the body in length, the four lower joints yellow, the rest 

 pale fulvous, the apex of the terminal joint piceous. 

 Thorax transversely convex, sides obtusely rounded, 

 sinuate in the middle, the outer edge, together with the 

 extreme basal margin, narrowly bordered with piceous ; 

 surface smooth and shining, nearly impunctate, a few very 

 fine punctures only being visible under a deep lens. Elytra 

 broader than the thorax, ovate, attenuated and acutely 

 rounded at tlie apex in the $; increasing in width and 

 convexity fi-om the base to beyond the middle, thence sub- 

 acutely rounded in the ? ; the sutural angles in both sexes 

 rounded ; upper surface finely and distinctly, but not 

 very closely punctured, interspaces indistinctly granulose ; 

 suture with a narrow, pale-piceous line, often indistinct, 

 sometimes obsolete. Legs pale yellow, hinder thighs pale 

 piceous, a darker patch of the same colour on their inner 

 surface. 



Thy a m is inco?i sp ic u a . 



Anguste ovata, convexa, pallide picea, nitida, oculis 

 nigris, antennis extrorsum piceis; thorace convexo, tenuis- 

 sime punctato, obsolete piceo-marginato ; elytris distincte 

 punctatis. 



Long. 1 lin. 



Hab. — Nagasaki. 



Front smooth, impunctate, separated from the en- 

 carpje by a shallow groove ; encarpfe tx'igonate, con- 



