Phytophagous Coleoptera of Japan. 197 . 



Genus Aphthona, Foud, 



Mon. Alt. 355. 



Aphthona sordida. 



Anguste oblongo-ovata, pallide castanea, nitida, oculis 

 nigris ; thorace sat fortiter sed subremote punctate ; ely tris 

 oblongis, fortiter subcrebre punctatls. 



Long. 1 lin. 



Hab. — Nagasaki. 



Front smooth, impunctate, separated from the encarpje 

 by a deep groove ; encarp^ transverse, contiguous ; an- 

 tennse equal to the body in length, robust, fourth and 

 following joints pale piceous. Thorax nearly twice as 

 broad as long, sides nearly parallel, distinctly margined, 

 notched just behind the anterior angle, the latter broadly 

 and obliquely truncate ; upper surface moderately convex, 

 faintly but distinctly Avi-inkled, coarsely but somewhat 

 distantly punctured. Elytra broader than the thorax, 

 oblong, shoulders obliquely rounded, sides parallel, upper 

 surface modei*ately convex, deeply and somewhat closely 

 punctured. 



Aphthona strigosa. 



Elongato-oblonga, subtus nigra, nitida, pedibus (femo- 

 ribus posticis exceptis) fulvis; supra subopaca, sordide viridi- 

 metallica, antennis fulvis, extrorsum nigris ; thorace trans- 

 rerso-quadrato, minute strigoso ; ely tris thorace latioribus, 

 oblongo-ovatis, infra basin ad latera late sed leviter exca- 

 vatis, subremote tenuiter punctatis, interstitiis granulosis. 



Long, f — 1 lin. 



Hab. — Nagasaki. 



Vertex minutely strigose-granulose ; encarpas well de- 

 fined, oblique, contiguous ; face dark metallic green, 

 antennae nearly equal to the body in length, four lower 

 joints pale-fulvous, two following piceous, the rest black. 

 Thorax transversely convex, sides rounded, constj-icted at 

 the base, armed just behind the apex Avith an obtuse tooth ; 

 upper surface very finely strigose. Elytra broader than the 

 thorax, oblong-ovate, convex ; broadly but slightly excavated 

 below the humeral callus, finely but remotely punctured, 

 whole surface finely granulose-punctate. Body beneath 

 shining black, legs fulvous, hinder thighs black. 



