Pine Resin Midges (Diptera: Cecidomyiidae) in Monterey Pine Plantations: Control Decisions and Perception of Aesthetic Injury
Authors: PAINE, T. D.; KOEHLER, C. S.; MALINOSKI, M. K.
Source: Journal of Economic Entomology, Volume 83, Number 2, April 1990 , pp. 485-488(4)
Publisher: Entomological Society of America
Abstract:Two insecticides (dimethoate and fenpropathrin) applied monthly, every other month or every third month to plantation-grown Monterey pines, Pinus radiate D. Don, did not reduce the number of active feeding sites of a complex of pine resin midges during the 6-mo period when the insects were active. Trees that were wounded each month to simulate natural growth cracks were significantly more heavily infested than the insecticide-treated or untreated trees. A consumer preference study suggested that the aesthetic injury caused by the resin midges was not a factor in purchasing a choose-and-cut tree. Thus, although the insect damage was recognized by the producers, was difficult to reduce through applications of chemical insecticides, and was exacerbated by wounding, it may not be an economic problem during the short-term rotation of Christmas tree production because consumer choice is not adversely affected by injury caused by the insects.
Document Type: Research Article
Publication date: April 1990
- 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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