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Published online by Cambridge University Press: 31 May 2012
The following 14 aphids are known to feed on species of Solidago in Canada: Cachryphora serotinae (Oestlund), Dactynotus caligatus Richards, Dactynotus canadensis new species, Dactynotus erigeronensis (Thomas), Dactynotus gravicornis (Patch), Dactynotus lanceolatus (Patch), Dactynotus macgillivrayae Olive, Dactynotus nigrotibius Olive, Dactynotus nigotuberculatus Olive, Dactynotus pieloui new species, Dactynotus pseudochrysanthemi Olive, Dactynotus tissoti Boudreaux, Dactynotus solirostratus new species, and Macrosiphum goldamaryae (Knowlton). A key and a list of associated host plants are given.