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A SEX ATTRACTANT FOR THE SPRUCE SEED MOTH, CYDIA STROBILELLA (L.), AND THE EFFECT OF LURE DOSAGE AND TRAP HEIGHT ON CAPTURE OF MALE MOTHS

  • G.G. Grant (a1), W.H. Fogal (a2), R.J. West (a3), K.N. Slessor (a4) and G.E. Miller (a5)...

Abstract

Electroantennogram (EAG) responses from male Cydia strobilella (L.) indicated that (E)-8-dodecenyl acetate (E8-12:Ac) was the most stimulating of the dodecenyl and tetradecenyl compounds assayed. Field-screening tests, which included compounds previously reported as attractive, demonstrated that only E8-12:Ac was effective. The optimum trap dosage was 0.3–3 μg on red rubber septa. Catches of males were greater when traps were hung in the upper crown of either white spruce or black spruce.

Les réactions électroantennographiques (EAG) des mâles de Cydia strobilella (L.) ont indiqué que le (E)-8-dodécenyl acétate (E8-12 : Ac) est le plus stimulant des composés dodécenylés et tétradécenylés testés. Des tests de terrain avec des composés rapportés antérieurement comme attractifs, ont démontré que seul le E8-12 : Ac est efficace. La dose optimale était de 0.3–3 μg sur septum de caoutchouc rouge. Les captures de mâles étaient plus élevées lorsque les pièges étaient suspendus dans la couronne supérieure que dans la partie inférieure, à la fois pour l’épinette blanche et l’épinette noire.

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A SEX ATTRACTANT FOR THE SPRUCE SEED MOTH, CYDIA STROBILELLA (L.), AND THE EFFECT OF LURE DOSAGE AND TRAP HEIGHT ON CAPTURE OF MALE MOTHS

  • G.G. Grant (a1), W.H. Fogal (a2), R.J. West (a3), K.N. Slessor (a4) and G.E. Miller (a5)...

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