THE CANADIAN ENTOMOLOGIST. 



373 



TARGIONIA CELTIS, N. SP. 



BY GLENN W. HERRICK, ITHACA, ?J. Y. 



Scale of feniale. — It is nearly circular, quite convex, light gray in 

 colour, and with the exuvige central to subcentral. The scale is thick and 

 tough, and the ventral scale is conspicuous and entire, thus enveloping the 

 insect in a complete shell. It is smaller and lighter in colour than the 

 scale of T. vitis, and not so thick in texture. Diam., 1.17-1.47 mm. 



Scale of male. — Like that of the female in colour, but smaller, less 

 convex, thinner, and somewhat elongated. 



Female. — The body is nearly circular in outline, with a broad short 

 pygidium. (Fig. 20.) Only one pair of lobes is present, the median, but 

 these are large and prominent. They are very close together, nearly 



Fig. 20. 



parallel on their inner margins, but obliquely rounded on their outer 

 margins, which causes them to apparently converge. They are plainly 

 notched on the outer margins, and sometimes on the inner margins near 



Novomber, 1910 



