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Influence of Humidity on Longevity, Fecundity, and Rate of Increase of the Grain-infesting Mite Tyrophagus castellanii (Hirst) (Acarina: Acaridae) Reared on Mould Cultures1

Published online by Cambridge University Press:  31 May 2012

I. Rivard
I. Rivard
Affiliation:
Entomology Laboratory, Belleville, Ontario
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Extract

Results of an experiment reported previously (Rivard, 1958a) showed the influence of various humidities on mortality and rate of development of the immature stages of Tyrophagus castellanii (Hirst)reared on mould cultures at a constant temperature. Results of an experiment on the influence of humidity on the longevity and fecundity of the adult mites are reported in the present paper. Information gathered from both studies is used to calculate the innate capacity of the species for increase at different humidities.

Type
Articles
Information
The Canadian Entomologist , Volume 91 , Issue 1 , January 1959 , pp. 31 - 35
Copyright
Copyright © Entomological Society of Canada 1959

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References

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Rivard, I. 1958. A technique for rearing tyroglyphid mites on mould cultures. Canadian Ent. 90: 46–147.CrossRefGoogle Scholar
Rivard, I. 1958a. Influence of humidity on mortality and rate of development of immature stages of the grain-infesting mite Tyrophagus castellanii (Hirst) (Acarina: Acaridae) reared on mould cultures. Canadian Ent. 90: 721–724.CrossRefGoogle Scholar