Abstract
The following 14 aphids are known to feed on species ofSolidagoin Canada:Cachryphora serotinae(Oestlund),Dactynotus caligatusRichards,Dactynotus canadensisnew species,Dactynotus erigeronensis(Thomas),Dactynotus gravicornis(Patch),Dactynotus lanceolatus(Patch),Dactynotus macgillivrayaeOlive,Dactynotus nigrotibiusOlive,Dactynotus nigotuberculatusOlive,Dactynotus pielouinew species,Dactynotus pseudochrysanthemiOlive,Dactynotus tissotiBoudreaux,Dactynotus solirostratusnew species, andMacrosiphum goldamaryae(Knowlton). A key and a list of associated host plants are given.

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