26 PLATE CLI. 



When this InfeB is alive the yellow colour of the body is ex- 

 ceedingly bright, and partakes fomewhatof a metallic and green hue in 

 feveral parts, but this brilliant appearance gradually fades after death. 



The line denotes the natural fize, it being neceflary to give a 

 magnified figure of fuch a minute Infecl. 



PLATE 



