THE INSECTS OF NEW JERSEY. 



349 



or sand and kerosene. Ground tobacco is a favorite repellant, and land 

 plasters often replace lime. On small fields netting covers are used 

 to protect the plants, 

 and occasionally only 

 an excess of seed is 

 planted so that some 

 plants may escape in- 

 jury. 



D. atripennis Say. Ft. 

 Lee (Sf); Hudson Co. 

 (LI); Caldwell (Cr). 



PHYLLOBROTICA Redt. 



Fig. 141. The striped cucumber beetle, Diabrotica 



vittata: a, adult; b, larva; c, pupa; d, side 



view of anal segment of same. 



P. discoidea Fab. Ft. Lee 



(Bt) ; Hudson Co. 



(LI) ; Newark, Orange 



Mts. (Bf ) ; Woodbury, 



Brigantine, Orange 



Mts. VI-VII (W). 



P. decorata Say. Arlington VI, on "Scutellaria" (Sf). 

 P. vittata Horn. Fort Lee (Sf). 



LUPERODES Mots. 



L. meraca Say. Greenwood Lake VI, 21 (Lv); Ft. Lee, Orange Mts. VI, 

 10 (Bt) ; Newark (Bf) ; on wild rose (Hn) and many other plants 

 (Ch). 



L. cyanellus Lee. Staten Island (Lg) ; occurs with the preceding, and 

 may be confused with it in collections. 



CERATOMA Chev. 



C. trifurcata Forst. Throughout the State VI, VII; common on peas, 

 beans and leguminous plants generally. 



BLEPHARIDA Rog. 



With this species begins the series of forms characterized by enlarged 

 hind femora and a well-developed power of leaping, which gives them the 

 common and general term "flea-beetles." 



B. rhois Forst. Throughout the State VII; more common in the southern 

 districts; the larva, covered by excrement, feeds on sumac. 



HYPOLAMPSIS Clark. 



H. pilosa 111. Madison VIII (Pr) ; Orange Mts. (Bf ) ; Jamesburg VI (Jl) ; 

 Merchantville III, Westville VII (W) ; Newtonville VII (Brn); along 

 shore, Brigantine to Cape May V-VII (div). 



PACHYONYCHUS Chev. 

 P. paradoxus Mels. Atlantic City (Castle); lives on "Smilax" sp. (Sz). 



