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Bryobia mites

Eoin Flett (Williams & Jackson Ag Services) has seen bryobia mites in the eastern part of the Western district, Victoria. The mites were found attacking a canola crop which had been sprayed earlier this season with a synthetic pyrethroid. Bryobia mites have also been observed near Tamworth, northern NSW.

It is surprising to still be finding bryobia mites as their numbers tend to decline during the cooler winter months. The relatively dry conditions experienced across most regions of south-eastern Australia may be partly responsible for the ‘higher than usual’ numbers at this time of year.

The bryobia mite (bryobia spp.), often called the clover mite, is about 0.75 mm long with a fawn-orange coloured body and orange legs. In the field they are often mistaken for redlegged earth mites. Bryobia mites can be distinguished by their long forelegs which are 1.5 times the body length. For further information on bryobia mites see PestFacts Issue No 3.

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