165 



Chrysochloa, Hope. 



From xP vao * an d x^°V 8'°^ an d green being the 

 predominant characteristics of the species belonging 

 to this sub-genus. Type of the genus C. Tristis of 

 Fabricius. Corpus oblongum lateribus thoracis in- 

 crassatis. Antennae thorace multo longiores. Elytra 

 oblonga, thorace triplo longiora, modice convexa 

 et vage punctata, alis inferioribus sanguineis. The 

 insects belonging to this genus chiefly frequent 

 alpine vegetation, and are found on the mountains 

 at a considerable altitude ; the major part of them 

 are rich in gold, green, and blue colors. The genus 

 Melasoma of Dilwynn, I consider altogether as dis- 

 tinct ; the latter answers to Lina of Megerle de 

 Muhlfield. 



Polyspila, Hope. 



Type of the genus Chrysomela Philadelphia of 

 Fabricius. The name is derived from tto\vs and am\os 

 macula, signifying much spotted. There are several 

 species in North and South America agreeing with 

 this form. Statura fere Chry. Populi, at convexior, 

 oblonga ovata. Thorax immarginatus. Elytra con- 

 vexa, reticulato-strigosa, striato-punctata, maculis 

 numerosis notata. To this genus belong Ch. Excla- 

 mationis of Fabricius ; Chry. Polyspila, and Punc- 

 tipennis of Germar; as well as Hieroglyphica and 

 Pantherina of Klug, all of them inhabiting the 

 New World, 



