188 Mr. J. S. Baly on the differential characters 



Foem. — Abdoniiiiis segmento anali aplce late obtuso. 



A. Viridi-metallica, fronte elytrorumque vitta dis- 



coidali, antice ampliata^ postice abbreviata, rufo- 

 aureis. 



B. Yiridi-cyanea, feneo tincta, supra aureo-fenea, ely- 



trorum linea suturali vittaque discoidali cyaneis ; 



limbo externo viridi-metallico. 

 Long. 3 — 3^ lin. 

 Hab. — Piedmontese Alps, Pyrenees, Lombardy. 



Antennns filiform, six outer joints rather more robust 

 tlian the four preceding ones. Thorax one-half broader 

 than long ; sides rounded and converging in front, parallel 

 behind the middle ; disk distinctly and rather strongly, 

 but (as a rule) less closely punctured than in Ch. specio- 

 sissima ; lateral margin thickened, bounded within by a 

 deeply impressed, coarsely punctured longitudinal groove. 

 Elytra oblong and broadly rounded at the apex in the S , 

 oblong-ovate in the ? , convex, rather strongly punctured, 

 the punctures obsoletely arranged in irregular longitudinal 

 stria3 ; interspaces smooth and shining, sometimes faintly 

 wrinkled towards the apex; in var. B. the Avliole surface 

 is distinctly wrinkled. 



Chrysomela guttata, Gebl. 



Mem. Mosc. v. 1817, p. 316. 



Ch. exanthematica, Weid. Germ. Mag. Ent. iv. 



1821, p. 178. 

 „ musiva, Gebl. Ledeb. Reis. ii. 3, 1830, p. 215. 

 „ „ Motsch. Schrenck. Reis. ii. 1860, 



p. 210. 

 „ speculifera, Redt. Hugel. Kaschm. iv. 1848, 



p. 558. 

 „ suhcEnea, Motsch. Schrenck. Reis. ii. 1860, 



p. 229, t. 11, f. 13. 

 „ consimilis, Baly. Trans. Ent. Soc. 1874, p. 172. 



Var. A. Cli. musiva, var. Gebl. Led. Reis. 1830. 



„ nigrogemmata, Motsch. Schrenck. Reis. 

 ii. 1860, p. 228. 



Hah. — Eastern Siberia, Japan, Northern India. 



This purely Asiatic and widely-s]u-ead species has been 

 described by different authors under various names. It 



