DISCUSSION OF GENERA AND SPECIES 



21 



Eriococcus stanfordianus n. sp. 



Fig. 7. 



Type taken from beneath a stone on Jasper Ridge, near Stanford 

 University, California, November, 1917. 



Sac. Character not noted. 



Morphological characteristics. Body (Fig. 7 A} beset with numer- 

 ous large spines (Fig. 7B), all of which are straight, slightly expanded at 

 the base, tapering thence to the sharply pointed tip. The spines of the 



Fig. 7. Eriococcus stanfordianus n. sp. : A, dorsal aspect of adult female ; B, types 

 of spines; C, antenna of adult female; D, wax duct; E, anal lobes, dorsal 

 aspect left, ventral aspect right. 



margin do not exceed in size those of the dorsum. On the abdomen the 

 spines are arranged in a quite definite manner, there being on each seg- 

 ment a median group of two or three, one or two spines midway between 

 this group and each margin, and a marginal group of five or six on each 



BIO-AGRICULTURAL LIBRARY 

 UNIVERSITY OF CALIFORNIA 

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