Abstract
ABSTRACT The tomato red spider mite Tetranychus evansi was detected for the first time in New Zealand in May 2020. There is an urgent need for rapid and accurate diagnostic tools on this species. In order to meet this demand, we developed methods for identification of T. evansi in the field and laboratory based on damage symptoms, morphological characters and DNA sequences. To distinguish T. evansi from the previously recorded species a key to all species of Tetranychus in New Zealand is provided. DNA barcoding employing the mitochondrial COI gene enabled us to differentiate T. evansi from closely related species.
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