in 



STATE BOARD OF AGRICULTURE. 



CHRYSOMPHALUS Ashm. 



C. tenebricosus Comst. The "gloomy scale" on red maple, Washington, 



D. C, and probably in New Jersey as well. 

 C. ficus Ashm. Common in green-houses. 

 C. obscurus Comst. On willow oak found at Washington, D. C , and in the 



Eastern U. S. generally. 



MYTILASPIS Sign. 



M. pomorum Bouche. The "oyster shell bark louse" common all over the 

 State on orchard trees and sometimes injurious to apple. It also attacks 

 and severely injures lilac and other shrubs, occasionally harms willow, 

 maple and other shade trees, causes also the death of walnut and butter- 

 nut trees in the northern part of the State (Sm). (See Fig. 53.) 



M. citricola Pack. Found generally on oranges and lemons, in the markets ; 

 but does not occur in orchards or indeed except in greenhouses (Sm). 



M. gloverii Pack. Elizabeth (U. S. Ag). Is in the same case as the pre- 

 ceding. 



DIASPIS Costa. 



D. rosse Bouche. The "Rose-scale": sometimes abundant on shaded plants, 

 and occurs also on Raspberry when growing in dense rows or clumps. 



D. calyptroides Costa. A com- 

 mon greenhouse scale on 

 Cactus. 



CHIONASPIS Sig-n. 



O. furfurus Fitch. The "scurfy 



scale" or "Harris Louse": 



occurs on orchard trees, 



chiefly apple and pear, 



throughout the State, though 



rarely causing serious injury. 

 C. pinifolii Fitch. Common on 



pine throughout the eastern 



U. S., Jamesburg IV, 18 and 



later near New Brunswick on 



Pi 71 us rigida (Sm). ~a $ 



C. salicis Linn. New Brunswick Fig - 54 ~ Scurf y scale » Chiouaspis furfurus, a, 



A Willow Scale abundant twig infested by female ;/■ by male 



, , scales; c, female; d, male 



throughout the eastern U. S. scale; much enlarged. 



