A new species of Aphis Linnaeus, 1758 (Hemiptera: Aphididae) from the northwestern Türkiye with a key to the species of the subgenus Bursaphis Baker, 1934

The new aphid species-Aphis (Bursaphis) kazdagensis sp. nov. living on Papaver pilosum subsp. strictum (Papaveraceae) in Çanakkale Province, Türkiye, is described based on the apterous viviparous females. Diagnosis of the subgenus Bursaphis with respect to other species is given. Aphis popovi Mordvilko, 1932 is transferred from the subgenus Aphis to the subgenus Bursaphis. An updated identification key for apterous viviparous females to all Bursaphis species is provided.