The genus Typhlodromus Scheuten (Acarina: Phytoseiidae) in Canada and Alaska

Abstract
Three genera of predacious mites in the subfamily Phytoseiinae (Acarina: Phytoseiidae) are known to occur in Canada and Alaska. Chant reviewed the genus Phytoseius Ribaga in Canada, and Chant and Hansell reviewed the genus Amblyseius Berlese in Canada and Alaska. The present paper, based on examination of several thousands of specimens, describes, keys, and figures the 20 species of Typhlodromus Scheuten known to occur in Canada and Alaska, and includes full collection records. Two new species arc described.

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