THE INSECTS OF NEW JERSEY. 



log 



Sub-family 



CALOPHYA Liv. 



C. nigripennis Riley. Common on sumach, "Rhus copalina," throughout 



the State; Anglesea V, 28. 

 C. flavida Sz. Found only on the smooth-leaved sumac, "Rhus glabra"; 



also common. 



PSYLLA Geoffr. 



Fig. 41. Pear psylla; pupa from 

 above; much enlarged. 



Fig. 42. Pear psylla; pupa from 

 below ; much enlarged. 



P. annulata Fitch. Sure to occur in New Jersey. 



P. carpi na Fitch. Common on Carpinus in New York, and probably in 

 New Jersey. 



P. buxi Linn. An imported species on "Buxus sempervirens," which has 

 been found in Jersey City. 



P. pyricola Forst. Throughout the State but more abundant in the south- 

 ern counties. This is the "pear psylla," and its injuries are very 

 local though sometimes severe. 



PACHYPSYLLA Riley. 



P. celtidis-mamma Riley. Makes leaf galls on "Celtis," in New Jersey 

 (Bt). 



P. celtidis-cucurbita Riley. Also a common gall-maker on "Celtis" (Bt). 

 P. celtidis-vesiculum Riley. Found with the preceding (Bt). 



P. venusta O. S. Paterson III, 25 (Coll); makes galls on the leaf petioles 

 of hackberry in New Jersey (Bt). 



P. celtidis-gemma Riley. Locally common in New Jersey, making galls 

 on the twigs of Celtis. 



