Abstract
AbstractThe species of aphid described here was collected from Sorbus scopulina Greene near Field, British Columbia. It belongs in the genus Nearctaphis Shaposhnikov, and the subgenus Nearctaphis, closely resembling the type species, Aphis bakeri Cowen, but with fused sclerotic plates on the dorsum of the abdomen in the apterous, as well as in the alate female.
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