NDLI: The Sex Pheromones of Mealy Plum (Hyalopterus pruni) and Leaf-Curl Plum (Brachycaudus helichrysi) Aphids: Identification and Field Trapping of Male and Gynoparous Aphids in Prune Orchards

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The Sex Pheromones of Mealy Plum (Hyalopterus pruni) and Leaf-Curl Plum (Brachycaudus helichrysi) Aphids: Identification and Field Trapping of Male and Gynoparous Aphids in Prune Orchards

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The Sex Pheromones of Mealy Plum (Hyalopterus pruni) and Leaf-Curl Plum (Brachycaudus helichrysi) Aphids: Identification and Field Trapping of Male and Gynoparous Aphids in Prune Orchards

Content Provider	Springer Nature Link
Author	Symmes, Emily J. Dewhirst, Sarah Y. Birkett, Michael A. Campbell, Colin A. M. Chamberlain, Keith Pickett, John A. Zalom, Frank G.
Copyright Year	2012
Abstract	Mealy plum, Hyalopterus pruni, and leaf-curl plum, Brachycaudus helichrysi, aphids are the primary arthropod pests in orchards that produce dried plums (i.e., prunes). The sexual stage of their respective lifecycles occurs on prune trees in the fall, during which time males respond to sex pheromones produced by oviparous females. Air-entrainment collections confirmed that oviparous H. pruni and B. helichrysi emitted combinations of (4aS, 7S, 7aR)-nepetalactone and (1R, 4aS, 7S, 7aR)-nepetalactol. The responses of H. pruni and B. helichrysi to these compounds in ratios of 1:0, 0:1, 1:1, 2.6:1, 3.4:1, 5:1, 7:1, and 0:0 (no-pheromone control) using water traps were determined in field experiments conducted in prune orchards during the fall. The greatest number of male H. pruni was caught in traps releasing a 1:1 ratio of (4aS, 7S, 7aR)-nepetalactone and (1R, 4aS, 7S, 7aR)-nepetalactol, while male B. helichrysi were caught in similar numbers in traps releasing any of the two-component ratios tested. There was no evidence that any of the pheromone treatments influenced trap catches of gynoparae of either species. Results suggest that addition of sex pheromone lures increases trap catches of male H. pruni and B. helichrysi, and that this approach may improve monitoring and management of these pests in prune orchards. Knowledge gained from this study contributes to the understanding of the ecology of insect pests in prune orchards.
Starting Page	576
Ending Page	583
Page Count	8
File Format	PDF
ISSN	00980331
Journal	Journal of Chemical Ecology
Volume Number	38
Issue Number	5
e-ISSN	15731561
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-05-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	(4aS, 7S, 7aR)-Nepetalactone (1R, 4aS, 7S, 7aR)-nepetalactol Monitoring Management Dried plum Chemoreception Hemiptera Sternorrhyncha Aphididae Biological Microscopy Ecology Agriculture Entomology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Ecology, Evolution, Behavior and Systematics

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