222 GEOLOGICAL SURVEY OF NEW JERSEY. 



PHYLLOBROTICA, Redt. 

 P. discoidea, Fabr. 



Gloucester, rare Liebeck. Hudson county Linell. Newark 

 Bischoff. 



DIABROTICA, Chevr. 

 D. 12-punctata, Oliv. 



D. vittata, Fabr. 



Both species are extremely common throughout the State. 

 D. atripennis, Say. 



Hudson county Linell. Caldwell, rare Crane. 



TRIRHABDA, Lee. 

 T. tomentosa, Linn. 



Newark. Orange Mountains, not rare Smith. Madison. 

 Var. virgata, Lee. 

 Var. canadensis, Kirby. 



With the type form, and sometimes replacing it. 



ADIMONIA, Leach. 

 A. americana, Fabr. 



Atlantic and Cape May counties, rare Wenzel. 

 Var. cribrata, Lee. 



Newark. Quite generally distributed, not rare Smith. 

 A. rufosanguinea, Say. 



Generally distributed, common Wenzel. Newark. 

 A. conferta, Lee. 



New Jersey Henshaw. 

 A. cavicollis, Lee. 



New Jersey Henshaw. 



GALBRUCA, Geoff. 

 G. sagittarise, Gyll. 



Generally distributed, common Wenzel. Caldwell, common 

 Crane. Madison. 



G. decora, Say. 



Anglesea, in July Schwarz. 



