Fig. 162. The plum curculio, Conotrachelus nenu- 

 phar: a, larva; b, adult; c, pupa: enlarged. 



390 REPORT OF NEW JERSEY STATE MUSEUM. 



C. nenuphar Hbst. The 

 Plum curculio; 

 throughout the State, 

 common V-VII and 

 again VIII. Breeds in 

 plum, peach, cherry 

 and apple, often in 

 destructive numbers, 

 and is one of the most 

 serious enemies to 

 fruit growing in New 

 Jersey. May be con- 

 trolled; by persistent 

 spraying with arsen- 

 ate of lead, 1 pound 

 in 20 gallons of water. 



C. seniculus Lee. Woodbury VII, VIII (div) ; Westville VII, Merchant- 

 ville X, Sea Isle VI, Peermont VI, Anglesea V, 31 (Brn). 



C. elegans Say. Throughout the State V, VI and again VIII, IX; larvae 



feeding on underground stems of "Amaranthus retroflexus" (Ch). 

 C. aratus Germ. Atlantic Co., rare (W). 



C. crataegi Walsh. Throughout the State on quince, and sometimes 

 locally injurious; VI-VIII. 



C. naso Lee. Atlantic Co. (W) ; Anglesea V, VIII (Brn); on "Crataegus," 



rare. 

 C. posticatus Boh. Throughout the State V-IX; not rare. 



C. geminatus Lee. Throughout the State VIII until next VII; locally 

 common. 



C. cribricollis Say. Westville I, 28, sifting (W). 

 C. anaglypticus Say. Throughout the State VI. 

 C. leucophaeatus Fab. New Jersey IX, 23 (Bland). 



C. fissunguis Lee. Along the river front near Camden, and everywhere 

 along shore in Mallow swamps; breeds in seed pods of "Hibiscus" sp. 



RHYSSEMATUS Chev. 



R. palmacollis Say. Hemlock Falls VII (Bf). 



R. lineaticollis Say. Boonton VI, VII (GG); Caldwell (Cr) ; Ft. Lee, in 

 seed pods of milkweed (Bt) ; Snake Hill (Sf ) ; Madison VII (Pr) ; 

 Newark Dist. (div); Anglesea VI (Brn). 



CHALCODERMUS Sch. 



C. collar-is Horn. lona VI, 8 (Dke) ; Atlantic City (Castle); Sea Isle VI, 



Cape May VI (Brn); Anglesea V, 31, VI, 28 (W). 

 C. spinifer Boh. Newark, one specimen on cherry blossoms (Bf). 



