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Effect of low temperature on the survival of some stored products mites

Sinha, R.N.

1964 - Volume: 6 Issue: 2 pages: 336-341


physiology effects of temperature Acaridae Acarus


The ability of the major acarine grain pests, Acarus siro L., Glycyphagus destructor (Schr.), and eight other mites occurring in farm granaries in Manitoba and Saskatchewan, to recover from exposures to- 18 ± 1° C. was tested with mites collected from the field during 1958-62. Laboratory expcriments showed that zo per centof Tydeus interruptus Thor, four per cent of Glycyphagus destructor, one per cent Acarus siro L. and two percent of Leiodinychus hrameri (Can.) survived- 18 ± 1o C. for seven clays, 17 per cent of Haemolaelaps casalis (Berl.) for three clays, ten percent of H. glasgowi (Ew.), for one day, 63 per cent of Cheyletus eruditus (Schr.), six percent of Kleemania plumosus Oud., and 28 percent of Haemogamasus pontiger (Berl.) for one hour, and Caloglyphus berlesei (Mich.) for less than one hour.

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1964 Sinha, R.N.
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