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Anatomical Characters Distinguishing Bryobia arborea M. & A. and B. praetiosa Koch (Acarina: Tetranychidae) from Various Areas of the World1

Published online by Cambridge University Press:  31 May 2012

C. V. G. Morgan
Affiliation:
Research Station, Research Branch, Canada Department of Agriculture Summerland, British Columbia

Extract

On the basis of anatomical and ecological differences, Morgan and Anderson (1957) and Anderson and Morgan (1958) divided the Bryobia praetiosa complex of British Columbia into two species; the brown mite, B. arborea M. & A., 1957, found exclusively on fruit trees, and the clover mite, B. praetiosa Koch, 1836, found chiefly on herbaceous plants and known more commonly as a household pea. Acarologists in Switzerland, The Netherlands, and Russia have separated the complex into a number of species principally on anatomical bases (Pritchard and Keifer, 1958). In a recent exhaustive treatise of the complex in Switzerland, Mathys (1957) proposed five species and four ‘forms’.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1960

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References

Anderson, N. H., and Morgan, C. V. G.. 1958. Life-histories and habits of the clover mite, Bryobia praetiosa Koch, and the brown mite, B. arborea M. & A., in British Columbia (Acarina: Tetranychidae). Canadian Ent. 90: 2342.CrossRefGoogle Scholar
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