Photography in Mite Counting

Author: ASQUITH, DEAN

Source: Journal of Economic Entomology, Volume 58, Number 4, August 1965 , pp. 677-678(2)

Publisher: Entomological Society of America

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Abstract:

Photography is introduced as a step in the Henderson-McBurnie mite sampling and counting technique. After mites from a sample of leaves are brushed onto a glass plate, colored 35-mm photographs of 2X magnification are taken of 5 areas of the plate. Each area is 18X12 mm, and the 5 areas total approximately 1/10 the area of the plate. The mites on the 5 photographs are then counted to determine the density of the mite population. Calculation of the number of mites per leaf is made by using the formula X = 10M/L where X equals the unknown number of mites per leaf, M the number of mites on the 5 photographs, and L the number of leaves in the sample.

Document Type: Research Article

Publication date: August 1, 1965

More about this publication?
  • 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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