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A New Type of Coprometer for Laboratory and Field Use1
Published online by Cambridge University Press: 31 May 2012
Extract
It is often desirable to establish the relationship between the amount of feeding of an insect and the prevailing meteorological conditions. With colonial insects, especially, it is difficult to determine visually whether members of a colony are feeding heavily, moderately, or lightly. If periodic measurements of frass drop are made, more reliable information may be obtained, for such measurements have proved to be reliable indicators of the intensity of feeding (Gornitz (1933); Monro (1935; Morris (1949), and Taranukha (1937)).
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- Copyright © Entomological Society of Canada 1953
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