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. 
Fig. 162.—The plum curculio, Conotrachelus nenu¬ 
phar: a, larva; b , adult; c, pupa: enlarged. 
/ 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. gemina tus 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. 
X»-4eui3japhaea4u^P l al5'.^—"New'-Jer^ey-LXy). 
G. 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 Palls 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. collaris Horn. Iona 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). 
