18, 6 
Morrison: Nondiaspine Coccidse 
647 
very considerable question regarding both the validity and the 
characteristics of Tylococcus Newst., I consider it preferable to 
assign the species to Pseudococcus, for the present, at least. 
TACHARDIIN^E 
Genus TACHARDIA R. Blanchard 
Tachardia aurantiaca Cockerell. 
After a careful comparison with the type material of this 
species, three lots of specimens have been placed here. The 
most noticeable differences from the type lie in the size and shape, 
and the coloration of the test covering the insect, since in the 
Singapore specimens the test shows no traces of lateral ribbing 
and is more convex than type, approaching globular, with a 
practically uniform color which is much darker than that found 
in the typical aurantiaca. Morphologically the Singapore speci- 
mens appear to agree completely with the type, although none 
of the material available for examination has been in entirely 
satisfactory condition. The data for the lots examined are as 
follows: On Acacia sphaerocephala, Singapore (coll. Burkill), 
material received from Mr. E. E. Green; on Cajanus indicus, 
Botanic Gardens, Singapore, October, 1917 ( Baker 9027) ; on 
lxora macrothyrsa, Botanic Gardens, Singapore, August, 1917 
( Baker 8936 ) . 
COCCIN^E 
Genus CERQPLASTOBES Cockerell 
Ceroplastodes virescens Green. 
This species is represented by a very small amount of material 
from “? Artocarpus sp.,” Botanic Gardens, Singapore, October, 
1917 ( Baker 9021 ) . These specimens agree exactly with Green’s 
characterization of the color and surface texture of the test. 
The dried specimens are dark reddish brown, however; and, 
while the marginal spines may be considered as being typically 
three or even four deep, there are many points along the margin 
where they are quite plainly only two deep. 
Genus CEROPLASTES Gray 
Ceroplastes floridensis Comstock. 
Ceroplastes floridensis Comstock, Green, Coccidae of Ceylon 4 (1909) 
277. 
A few specimens agreeing exactly with Green’s description 
and figures, cited above, have been received from Professor 
Baker with the following data : On Gleichena dichotoma, Penang 
(coll. I. H. Burkill ) . 
