A New Eriococcus 
E. O. ESSIG 
SECRETARY STATE COMMISSION OF HORTICULTURE, 
SACRAMENTO, CALIFORNIA 
Eriococcus cockerelli n. sp. 
Description—The adult females are enclosed in a thin, felt- 
like, nearly globular sac varying in color from pure white to 
’ ” 5 v 5 
pinkish and averaging three-sixteenths of an inch in diameter 
Figure 1. Hriococcus cockerelli n. sp. Adult females in sitw on twig. Twice 
enlarged. (Original). 
(Fig. 1). The body is oval in shape being slightly longer than 
broad and distinctly convex on the upper surface. The color of 
the dried specimens received is deep purplish red, turning 
cardinal when first boiled in K O H but subsequently becoming 
colorless and perfectly transparent excepting the spines, legs, 
mouth-parts and antenne which remain light brown or amber. 
The body is thickly covered with stout spines, there being three 
common sizes (Fig. 2, B) of the following lengths: 0.05 mm., 
9.037 mm. and 0.028 mm. The length of the type specimen is 
