Aphis crataegarius, Walker, Francis, 1850

Walker, Francis, 1850, Descriptions of aphides. (Continued fom vol. v. p. 395)., Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the ' Magazine of Botany and Zoology', and of Louden and Charlesworth's ' Magazine of Natural History', Series 2 6, No. 31, pp. 41-48 : 46

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