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AN IMPROVED BERLESE–TULLGREN FUNNEL AND A FLOTATION SEPARATOR FOR EXTRACTING GRASSLAND ARTHROPODS

Published online by Cambridge University Press:  31 May 2012

C. D. Dondale ,
C. F. Nicholls ,
J. H. Redner ,
R. B. Semple  and
A. L. Turnbull
C. D. Dondale
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
C. F. Nicholls
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
J. H. Redner
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
R. B. Semple
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
A. L. Turnbull
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
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Abstract

A Berlese–Tullgren funnel is described which features a 600-w heating element, a tray having a single bottom of new design, and ventilating screens below the tray to prevent condensation of moisture on the inner wall of the funnel. The funnel efficiently extracts grassland arthropods from coarse plant matter. Also described is a salt-water flotation separator, which extracts any arthropods from the fine litter and soil that may pass through the funnel screens.

Type
Articles
Information
The Canadian Entomologist , Volume 103 , Issue 11 , November 1971 , pp. 1549 - 1552
Copyright
Copyright © Entomological Society of Canada 1971

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References

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