17 



THE DESTRUCTIVE SPHINX. 

 Sphinx Exitiosa. 



PLATE LXIII. 



/Egeria Exitiosa, Say. Journal of the Academy of Natural 

 Sciences, vol. iii. p. 216, New. Say, American Ento- 

 mology, vol. ii. pi. 19 ; upper and middle figures. 



MALE. The body is steel-blue ; antennae, ciliated 

 on the inner side, black, with a tinge of blue ; palpi 

 beneath, yellow ; head, with a band at its base ; both 

 above and beneath, pale yellow ; eyes, black-brown ; 

 the thorax, with two pale yellow longitudinal lines, 

 and a transverse one behind, interrupted above, and 

 a spot of the same colour beneath the origin of the 

 wings ; the wings are hyaline ; nervures and margin, 

 steel-blue, which is more dilated on the costal margin, 

 and on the anastomosing band of the superior wings ; 

 the feet are steel-blue ; the coxa?, two bands on the 

 tibiae, including the spines, incisures of the posterior 

 tarsi, and anterior tarsi behind, pale yellow ; the 

 abdomen, with two very narrow pale yellow bands, 

 one of which is near the base, and the other on the 

 middle ; the tail is fringed, the fringe margined with 

 white on each side. 



FEMALE. The body is very dark steel-blue, with 

 a tinge of purple ; the antennae destitute of ciliae ; 



