SPECIES OFAPHIS(HOMOPTERA: APHIDIDAE) IN MANITOBA, WITH A KEY, AND DESCRIPTIONS OF NEW SPECIES

Abstract
A key is given for 37 species ofAphisL. in Manitoba. Three new species ofAphisare described,duckmountainensis,neomonardae, andwhiteshellensis.Aphis monardaeOestlund is declared to be a synonym ofA.gossypiiGlover. Lectotype and paralectotypes are designated forA.rubicolaOestlund. Comments on taxonomy and biology are given for other species in the genus.