References

Blackman, RL (1976)  Cytogenetics of two species of Euceraphis (Homoptera, Aphididae). Chromosoma (Berl.) 56: 393–408.

Blackman, RL (1977) The existence of two species of Euceraphis (Homoptera: Aphididae) on birch in western Europe, and a key to European and North American species of the genus. Systematic Entomology 2: 1–8.

Blackman, RL and De Boise, E (2002)  Morphometric correlates of karyotype and host plant in genus Euceraphis (Hemiptera: Aphididae). Systematic Entomology 27: 323–335.

Holopainen, JK, Semiz, G and Blande, JD (2009)  Life-history strategies affect aphid preference for yellowing leaves. Biology Letters 5: 603–605.

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