Phytophagous Coleoptera of Japan. 181 



terior angles each amied with an obtuse tubercle ; hinder 

 margin truncate, notched on either side just within the 

 outer angle ; surface smooth, impressed with a few fine 

 punctures, visible only under a lens ; liinder disk im- 

 pressed \a'Ca a broad, shallow, transverse, semi-lunate ex- 

 cavation.^ Scutellum oblong, its apex obtusely rounded. 

 Elytra slightly increasing in width towards the apex, dis- 

 tinctly punctured, shining black. 



j^nidea't basalis, 



Elongata, angustata, fulva, nitida, capitis dorso, antennis, 

 basi exceptis, pectore abdomineque nigi-is; thorace impunc- 

 tato, disco transversim impresso, margine basali spinis 

 obtusis erectis duabus armato ; elytris thorace latioribus, 

 jiarallelis, tenuiter punctatis, basi nigro-ca^ruleis aut nigris ; 

 femoribus basi, tibiis apice tarsisque piceis. 



Var. A. Elytronim plaga communi basali ovata nigra. 



Mas. — Elytris infra basin fovea magna commimi ob- 

 cordata impressis ; tarsorum anticorum articulo basali in- 

 crassato. 



Long. 2| liu. 



Hab. — Satsuma, Japan; also China (Shanghai). 



Head strongly exserted, smooth, impunctate ; encarp^e 

 large, ill-defined, contiguous; antennas robust, nearly 

 three-foiu'ths the length of the body ; basal joint nigro- 

 fulvous, second, third and fourth pale piceous ; the apices 

 of the third and fourth, together with the whole of the 

 remaining joints, black, clothed with coarse griseous hairs ; 

 mouth piceous. Thorax rather broader at the base than 

 long, sides obliquely divei'ging from the base nearly to the 

 middle, then rounded and slightly converging to the apex ; 

 anterior and posterior angles distinct, their apices obtuse ; 

 hinder margin armed on either side the middle with a 

 stout, erect, obtuse tooth ; disk transversely excavated. 

 Scutellum large, subtrigonate, piceous. Elytra broader 

 than the thorax, parallel, surface finely but not closely 

 })unctured : in the $ a short distance below the scutellum 

 is a large common obcordate fovea, the surface of the 

 elvtra suiTOunding which is distinctly thickened; basal 

 fifth of surface bluish- or pitchy-black; this basal band 

 sometimes contracted into a large common oval spot, placed 

 just below the sciitellum. 



