Control of Light Brown Apple Moth (Lepidoptera: Tortricidae) Using an Attracticide
Authors: Suckling, D. M.; Brockerhoff, E. G.
Source: Journal of Economic Entomology, Volume 92, Number 2, April 1999 , pp. 367-372(6)
Publisher: Entomological Society of America
Abstract:An attracticide, based on Novartis’ Sirene and consisting of droplets containing pheromone and permethrin, was formulated and tested against Epiphyas postvittana (Walker) in orchards of apple, Malus domestica Borkhauser, in Canterbury, New Zealand. There was no significant difference in the number of E. postvittana caught with traps baited with 3 virgin females, rubber septa, or attracticide droplets. A field trial in an unsprayed 50-ha apple orchard investigated the potential for male moth population suppression. The 0.3-ha plots were placed in the center of 1-ha blocks separated by shelter belts. The treatments, each replicated 6 times, were control, attracticide applied to plastic tape, and caged attracticide droplets. Caged droplets were covered with aluminum mesh to prevent moth contact with the droplet, but still to allow pheromone dispersion. Six delta traps, baited with attracticide droplets and deployed in transects along the middle row of each plot, were checked before, during, and after the droplets were present. There was no significant difference among catches until attracticide droplets were added. Upon treatment, suppression of trap catches (relative to the controls) increased at >50% per day for 4 d, to 96% suppression in the center and 88% at the edge of the plots. Approximately half of this effect was caused by pheromone point-source competition, estimated from suppression in plots with caged attracticide droplets. Zero catches were recorded on 75% of possible trapping occasions in the middle of the attracticide treatment while droplets were present, compared with 17% in the control. Removal of the caged attracticide droplets led to an immediate increase in catch the next day in the center of the plots, to untreated control levels. In contrast, 85% suppression was recorded on the 1st d after removal of the attracticide droplets, showing the effect of moth mortality from the treatment. The potential for attracticide control of this species of leafroller is promising. Further work is needed to determine whether male suppression results in reduced mating frequency and larval populations.
Document Type: Research Article
Publication date: 1999-04-01
- Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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