and the other on the middle: tail fringed, the 

 fringe margined with white each side. 



Female. Body very dark steel-blue, with a 

 tinge of purple: antennse destitute of cilliae; 

 palpi beneath, black : thorax immaculate : supe- 

 rior wings steel-blue, without any hyaline spot : 

 inferior tvings hyaline, with an opaque margin 

 and longitudinal line; the latter and the costal 

 margin are dilated : tergum with the fifth segment 

 bright reddish-fulvous. 



Pupa with two semifasciae of spines upon each 

 of the segments, excepting the three terminal 

 ones, which have a single row only. 



Follicle brown, oblong-oval, composed of 

 small pieces of bark and earth, closely connected 

 together by the web of the animal. 



SYNONYM- 



^GERiA exitiosa. NoMs. Joum. Acad. Nat. 

 Sciences, vol. iii. p. 216. 



OBSERVATIONS. 



This insect has been for years the cause of 

 great solicitude and regret to all the lovers of 

 fine fruit. Our readers will acknowledge the 



PLATE XIX. 



