30 



CALIFORNIA STATE COMMISSION OP HORTICULTURE. 



are small groups of constricted arrow-shaped tubercles, but there are no 

 bristle-shaped spinnerets. 



On pepper-tree. 



Ceroplastes floridensis Comst. 

 (Florida Wax Scale.) 



Adult Female. Sub-globular in form, the point of attachment to the 

 twig or leaf being concave. Length, from 2.5 mm. to 3 mm. Color, 

 when naked, reddish brown; covered with an apparently homogeneous 



FIG. 11. Ceroplastes cirripediformis 

 (Barnacle Scale). Branch in- 

 fested with scale, a, female, 

 much enlarged. 



FIG. 12. Ceroplastes floridensis (Florida Wax 

 Scale), a, young female; 6, adult female, 

 much enlarged. 



layer of waxy excretion, which is usually brownish on the dorsum and 

 dirty white toward the edges ; some specimens are irregularly mottled 

 brownish and yellow-white. Antennae 6-jointed, joint 3 nearly as long 

 as all the others together. Legs normal in all respects. The margin 

 of the body in the region of the stigmata is furnished with groups of 

 minute arrow-shaped tubercles, constricted at the base, and between 

 these groups are bristle-shaped spinnerets. 



On citrus, mango. (At quarantine.) 



