36 PLATE CCCLXXI1I. 



This infea is feparated from the Linuaean Chryfomela 10-punaata 

 upon the authority of Entomologia Britannica as above quoted 

 There is much reafon to believe it a diftinct fpecies, though we cannot 

 fpeak precifely to that effe6r, fmce it is poffible it may prove, on fu- 

 ture obfervation, to be the female of Chryfomela lO-pun&ata, or a 

 variety of it. The two infe&s refemble each other in fize, and moil 

 other particulars, the bilobate black mark, or confluent fpots on the 

 thorax, and the colour of the mouth, and legs excepted : thofe of C. 

 10-punctata being black, while in our infe6t, they are conftantly yellow, 

 or yellow ifn-red, inclining to rufous. Several writers agree that Chry- 

 fomela 10-punctata, is liable to much variation : Fabricius, in parti- 

 cular, tells us, he has obferved it with both the wing-cafes deititute 

 of the fifth, or pofterior fpot. The lower furface is black. Found 

 on the afpia and willow. 



The fmaller figures, as ufual, point out the natural fize of the infe&s 

 reprefented in this plate. 



F I G. II. II. 

 CHRYSOMELA AUCTA. 



RED-BORDERED BLUE-CHRYSOMELA. 

 SPECIFIC CHARACTER 



AND 



SYNONYMS. 

 Blue, thorax poliihed : wing-cafes dotted, with a red margin. 



Chrysomela aucta : cyanea, thorace nitido, elytris punftatis: 

 margine rubro. Marjlu Ent. Brit. T.I p 181. 

 fp. 24 



Chrysomela 



