xn, D, 1 Robinson: Coccidse of the Philippine Islands 23 



fig. 17). Circumgenital glands with median groups of 9 or 10 

 orifices, anterior laterals of 18 to 21, posterior laterals of 17 to 

 26. A few dorsal tubular spinnerets in rows. 



Male scale white, sides parallel, distinctly tricarinate, exuvia 

 pale yellow ; 1 millimeter long. 



Luzon, Laguna, Los Banos (Baker), December, 1915, on Mo- 

 rinda bracteata. 



The caudal area of P. thoracica resembles that of P. varicosa 

 Green, but the scale lacks the ridges of P. varicosa Green. The 

 peculiar shape of the female seems to differentiate this species 

 from similar species, such as P. chinensis Ckll. and P. latissima 

 Ckll. 



Phenacaspis pallida sp. nov. 



Female scale circular, Avhite and opaque, slightly convex, occa- 

 sionally with a few irregular raised lines, 1.75 millimeters in 

 diameter; marginal exuvise pale yellow, second skin broad-oval. 

 Adult female elongate, broadened anteriorly; yellowish brown; 

 often with base of abdomen contracted within the thorax ; abdo- 

 minal segments well defined ; median lobes of caudal area widely 

 divergent, serrate, little darker than the others, not produced to 

 level of other lobes ; second and third pairs of lobes each composed 

 of two separate rounded lobules; a pointed glandular process 

 laterad of median and second lobes; a well-developed spinelike 

 plate laterad of each lobe; margin beyond serrate with four 

 widely separated, short incisions and three spinelike plates (Plate 

 III, fig. 18). Circumgenital glands with median group of 12 

 orifices, anterior laterals of 22 or 23, posterior laterals of 14 

 to 16. A few dorsal tubular spinnerets present. 



Male scale white suffused with brown, sides parallel, a single 

 median carina, about 0.75 millimeter long. 



Luzon, Laguna, Los Baiios (Baker), March, 1915, on Litsea. 



Although the caudal margin of Phenacaspis pallida resembles 

 that of P. varicosa Green, the smaller size and inconspicuous and 

 occasional ridges of the female scale seem to differentiate it. 

 This species has the general characters of P. latissima Ckll., 

 which is larger ; and of P. chinensis Ckll., the scale of which has 

 a different form and orange exuvise. 



Genus CHEYSOMPHALUS Ashmead 

 Type, Coccus aoniduTn Linnjeus. 

 Female scale circular, exuviae nearly central; last segment of 

 the female with three pairs of well-developed lobes, with elong- 

 ated thickenings of the body wall terminating at the bases of the 

 lobes; circumgenital glands present. 



