Does anyone have some information about cold hardiness of hypoaspis aculeifer in cold winters?

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Jacques Drolet

If someone knows then Paul Fields at Agriculture Canada. As a note though, 20C is not a cold winter :-)

Mohammad Sadegh Bagheri Ardabilian

Thank you but i write about -20 C (minus 20 C) or about minus 4 Fahrenheit !

Just saw the minus sign, sorry.

No problem , Thank you

Phil Soderman

In my rearing of Hypoaspis, each winter the culture area night time temperature dropped to

Thank you for your answer