COCCIDAE FROM LOWER CALIFORNIA 



75 



Mexico. It has also been recorded from France, this latter record pos- 

 sibly the result of misidentification. 



Lower California records. From the roots of Dalea emoryi at La 

 Paz and Todos Santos; Porophyllum gracile ("yerba del venado") near 

 San Jose del Cabo ; mimosaceous shrub at San Antonio ; Chamaecyce sp. 

 ("golondrina") between La Paz and San Pedro. 



Notes : The specimens from Porophyllum agree very closely with typical 

 examples, the others differ somewhat but yet come within the range of variation 

 of the species. 



Eriococcus cryptus Ckll. 



Fig. 4. 



Previous records. Known only from roots of Gutierrezia in New 

 Mexico. 



Lower California records. From Atriplex sp. at La Paz. 



Habit. Sac about 3.5 mm. long, white, smooth and closely felted, 

 rather brittle. 



-w v 



Fig. 4. Erio-'coccus cryptus Ckll. : A, antenna ; B, dorsal aspect of anal lobe ; C 

 types of spines ; D, type of duct. 



Morphological characteristics. Adult female (on slide) 2.5 mm. 

 long, of ordinary form. Dorsum of the body entirely destitute of spines 

 except for a very few that are extremely small. Lateral margins of each 

 abdominal segment with a single, large, stout, curved spine accompanied 

 by a single much smaller spine of similar form (Fig. 4C). Along the 

 margin of the head and thorax these spines form an irregularly single or 

 double row. Anal lobes (Fig. 4B) prominent, slightly chitinized, each 

 with two slender setae ventrally and three spines dorsally, these somewhat 



