title: Attractant lures for males of the pea moth,Cydia nigricana (F.) Containing (E)-10-dodecen-1-yl acetate and (E,E)-8,10-dodecadien-1-yl acetate.
abstract: Lures containing different amounts of (E)-10-dodecen-1-yl acetate and (E,E)-8, 10-dodecadien-1-yl acetate were formulated in natural rubber stoppers or polyethylene vials and tested in traps in the field to establish relative attractiveness to males of the pea moth,Cydia nigricana (F.), dose-response relationships, and the effects of weathering. Initially, both formulations of (E,E)-8,10-dodecadien-1-yl acetate were much more attractive than those of (E)-10-dodecen-1-yl acetate, but their activity diminished considerably after only 5 days in the field because an inhibitor was formed, and polyethylene formulations were not attractive after one week. However, lures containing (E)-10-dodecen-1-yl acetate, with or without antioxidants, in both rubber and polyethylene were still attractive after three months' exposure in the field and are therefore suitable for practical monitoring of pea moth populations.
authors.affiliation: Rothamsled Experimental Station, AL5 2JQ, Harpenden, Herts., UK.
authors.forename: A R
authors.initials: AR
authors.lastname: Greenway
authors.forename: C
authors.initials: C
authors.lastname: Wall