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SOME RESPONSES OF THE EUROPEAN RED MITE, PANONYCHUS ULMI, TO IMMERSION IN WATER1

Published online by Cambridge University Press:  31 May 2012

D. H. C. Herne*
Affiliation:
Research Station, Canada Department of Agriculture, Vineland Station, Ontario

Abstract

Different stages of the European red mite, Panonychus ulmi (Koch), were immersed in water for periods up to 48 hours. Mortality of eggs was negligible; of active stages it was low but appreciable. Immersion in water inhibited egg hatching, feeding, moulting, and oviposition. It was concluded that if the mite responds similarly under orchard conditions, frequent or prolonged wet periods would delay the buildup of a mite infestation.

Type
Research Article
Copyright
Copyright © Entomological Society of Canada 1968

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Footnotes

1

Contribution No. 153 of the Research Station.

References

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