PLATE I. 



ORTHEZIA INSIGNIS DOUG., FEMALE. 



dorsal view, enlarged 20 diameters, 

 ventral view, enlarged 20 diameters, 

 antenna, 

 fore leg. 



rostrum, from the front; two of the bristles 

 are shown cut off near the base, while the third is fully 

 extended. 



6. Nymph, after the second molt. 



All the figures were drawn from specimens newly mounted ia 

 glycerine ; the outlines were obtained by aid of the camera lucida. 



