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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
C. V. G. Morgan
Affiliation:
Research Station, Research Branch, Canada Department of Agriculture Summerland, British Columbia
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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
Information
The Canadian Entomologist , Volume 92 , Issue 8 , August 1960 , pp. 595 - 604
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: 23–42.CrossRefGoogle Scholar
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Mathys, G. 1957. Contribution à la connaissance de la systématique et la biologie du genre Bryobia en Suisse romande. Bull. Soc. Ent. suisse 30: 189–284.Google Scholar
Morgan, C. V. G., and Anderson, N. H.. 1957. Bryobia arborea n. sp. and morphological characters distinguishing it from B. praetiosa Koch (Acarina: Tetranychidae). Canadian Ent. 89: 485–490.CrossRefGoogle Scholar
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Pritchard, A. E., and Keifer, H. H.. 1958. Two new species of Bryobia with a revised key to the genus (Acarina: Tetranychidae). Ann. Ent. Soc. America 51: 503–506.CrossRefGoogle Scholar
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