THE INSECTS OF NEW JERSEY. 



129 



A. perniciosus Comst. The "pernicious" or "San Jose Scale." Occurs 

 throughout the State on all orchard trees save certain cherries, and 

 also on some shade trees. The most abundant and destructive of all 

 our species. 



A. rapax Comst. The "greedy scale." Occasional on walnut, but occurs 

 also on a variety of other trees. 



A. ulmi Johns. Found on the smooth inner bark of the trunk oi" the elm 

 under the upturned edges of the rough or outer bark (W E B). 



A. uvae Comst. The "grape scale." Have taken this at Egg Harbor. 



A. oxycoccus Woglum. Described from New Jersey on cranberry. 



CHRYSOMPHALUS Ashm. 



C. aonidum Linn, (ficus Ashm.) In green-houses on palms and rubber 

 plants. 



C. aurantii Mask. Red scale of California, occasionally found on green- 

 house plants. 



C. dictyospermi Morgan. On palms in green-houses; sometimes quite a 

 pest. 



C. obscurus Comst. On willow-oak, eastern United States generally. 



C. tenebricosus Comst. The "Gloomy Scale." On red maple, District of 

 Columbia and probably New Jersey. 



LEPIDOSAPHIS Schimer. 



Fig- 55- Oyster shell bark louse, Lepidosafliis ulmi: a, female scale from beneath, 



filled with eggs; b, same from above; c, twig infested with female scales; d, 



male scale and a twig infested by them; scales greatly enlarged. 



9 IN 



