CATALOGUE OF INSECTS. 315 



CHJETOCNEMA Steph. 



C. subcylindrica Lee. Westville, rare (Li), Newark, under stones, III, 14 

 (Bf). 



C. denticulata Illig. Throughout the State, V, VI, VII : adult feeds on 

 millets (Ch). 



O. pinguis Lee. Newark (Bf). 



C. minuta Mels. Newark (Bf). 



O. alutacea Cr. Anglesea, VI, 2 specimens. 



O. obesula Lee. Newark (Bf) : a Floridian species, but I believe tbe deter- 

 mination, made by myself, to be correct. 



C. parcepunctata Cr. Staten Island (Lg). 



C. pulicaria Mels. Atco, Gloucester, V, 27, 29, Anglesea, Westville, VII, 11, 

 19 ( W), Hudson Co. (LI), New Brunswick, VII, 20, common : sometimes 

 injurious to corn and millet (Ch). 



C. confiriis Cr. Swedesboro, V, 20, common, feeding on leaves of sweet 

 potato and causing considerable injury ; found in hibernation West- 

 ville, I, 28 ( W), Arlington, I, 31 (Bf). This beetle eats channels along the 

 veins of the leaves soon after the plants have been set out Plants should 

 be dipped in a strong mixture of arsenate of lead before being set out ; 

 but the roots should not be dipped— only the leaves. 



SYSTENA Clark. 



S. liudsonias Forst. Common throughout the State in July and August on a 

 great number of weeds. 



S. frontalis Fab. With the preceding, June and July : adult feeds on Poly- 

 gonum and Chenopodiutn, and attacks exceptionally, various cultivated 

 crops (Ch), e.g. cranberries (Sin). 



S. elongata Fab. Orange Mts., rare (Bf). 



S. taeniata Say. Throughout the State, June and July, sometimes abundant 

 on cultivated crops like carrot, parsley, &c. The variety blanda Mels., 

 is as common as the type : abundant on Ambrosia artemesifolia . The 

 arsenites are indicated whenever they can be safely employed. Other- 

 wise a strong tobacco decoction will answer almost as well. 



S. marginalia 111. Clementon, VIII, 6 (W), Orange Mts. (Bf), Ft. Lee (Bt), 

 Spring Lake (Ch): sometimes abundant on oak (Hn). 



LTJPERALTICA Cr. 



L. fuscula Lee. G. d., rare (Bf), Jamesburg. 



L. senilis Say. Da Costa, VIII, 14, Atco, IX, 11 (W), Newark (Bf). 



G-LYPTINA Lee. 



G. tricolor Horn. Anglesea (W). 



G-. spuria Lee. G. d., rare (Li), Hudson Co. (LI): abundant on Monarda 

 punctata, August (Hn). 



