1885,] PHYTOPHAGOUS COLEOPTERA OP JAPAN. 281 



phana, dilute testacea, elytrorum disco ramulos antice ad humeros, 

 postice ad margines, emittente, nigro-piceo, ad suturum testaceo 

 irrorafo, antennis articulis duobus apicalibus nigris. 



Long. t)|— 7| millim., lat. 6. 



Hub. Japan, Niigata, iu the main island (G. Lewis). 



Compared with A. difformis, this species is smaller, more decidedly 

 elliptical in form, and the elytra scarcely form a point ; there is, 

 indeed, a small tubercle in some specimens ; their disk and its branches 

 are very dark, but in two of four specimens before me they vary in 

 being as light as in A. difformis ; the rami, however, are much nar- 

 rower. In A. difformis the elytra, being more developed, are very 

 distinctly wider than the thorax ; that is not so in the present 

 species, nor do any of tlie specimens show a tendency to be oval, 

 i. e. more acuminate towards the apex of the elytra than in front. 

 Four specimens ; all fouud at Niigata. 



Cassi da. 

 Cassida rugoso-punctata. 



Cassida rugoso-punctata. Mots. Bull. Mosc. 1866, i. p. 177 ; 

 Kraatz, loc cit. p. 273. 



Crassida erudita, Baly, loc. cit. p. 212^; Lewis, Ann. & Mag. 

 N. II. 1879, p. 465. 



Hub. Japan', Yokohama^ (Pryer) ; Miyanoshita, Oj'ama, Hakone, 

 localities in Central Japan (G. Lewis). 



Mr. Lewis has with reason united these species, Mr. Baly's type 

 of C. erudita being simply a discoloured specimen. Mr. Lewis met 

 with about a dozen examples of C rugoso-punctata; they vary in 

 size from 7 to 85 millims. in length. The posterior angles of the 

 thorax are, as Mr. Baly describes them, acute, rather than as 

 Motschulsky says " rectis ;" and this character alone, as well as the 

 black femora, v\ill easily separate it from European specimens of 

 C. equestris ; but in three specimens of the latter species met with 

 by Mr. Lewis in Japan the femora are black. 



Cassida eciuestris. 



Cassida viridis, Linn. Faun. Suec. p. 152 (1761). 



Cassida equestris, Fabr. Mant. Ins. i. p. 62 ; Bohem. Cass. ii. 

 p. 474. 



Hab. Northern Europe ; Japan, Agematzu. 



Three specimens, which in every respect seem identical with the 

 species known to us and on the continent of Europe as Cassida 

 equestris, except that the femora are black, were found by Mr. Lewis 

 at Agematzu, in the maiu island, 



Cassida nigro-guttata. 



Oblonga, parum avata, supra sordide viridis, subtus nigra, pro- 

 thorace transversa elytrorum lalitudine, angulis posticis obtuse 

 rotundatis, crebre rugose punctata ; elytris incequalibus, costu- 

 latis, grosse irregulariter punctatis ; sutura pone scutellum gut- 



