38 



SCALE INSECTS OF SANTA CRUZ PENINSULA 



arranged lumps of pure white wax. (No examples of these stages are 

 available for figuring.) Beneath these lumps the derm, elsewhere dark 

 brown, is distinctly yellow. 



Fig. 16. Lecanium excrescens n. sp. : A, habit; B, antenna of adult female; C, an- 

 tenna of first stage; D, anal plates of first stage; E, marginal spines of adult 

 at region of a stigmatic depression ; F, marginal spines of first stage at region 

 of stigmatic depression; G, anal plates of adult, dorsal aspect left, ventral 

 aspect right. 



