References
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Blackman, R.L. (1974) Aphids. Ginn & Company Limited, London and Aylesbury (UK), 175 pp.
Blackman, R.L. (1976) Cytogenetics of two species of Euceraphis (Homoptera, Aphididae). Chromosoma (Berlin), 56, 393–408. https://doi.org/10.1007/BF00292958
Blackman, R.L. (1978) Early development of the parthenogentic egg in three species of aphids (Homoptera: Aphididae). International Journal of Insect Morphology & Embryology, 7, 33–44. https://doi.org/10.1016/S0020-7322(78)80013-0
Blackman, R.L. (1980) Chromosome numbers in the Aphididae and their taxonomic significance. Systematic Entomology, 5, 7–25. https://doi.org/10.1111/j.1365-3113.1980.tb00393.x
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Blackman, R.L. (1992). The use of ordination techniques to discriminate within pest aphid species complexes. In: Sorensen, J.T. & Foottit, R. (Eds.), Ordination in the study of morphology, evolution and systematics of insects: applications and quantitative genetic rationals. Elsevier, Amsterdam, The Netherlands, pp. 261–275.
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Blackman, R.L. & Eastop, V.F. (1994) Aphids on the World's Trees: An Identification and Information Guide. CAB International, Wallingford, UK, 1004 pp.
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Blackman, R.L., Dransfield, R.D & Brightwell, R. (2019) Aphids – Anoeciinae, Lachninae, Eriosomatinae, Phloeomyzinae, Thelaxinae, Hormaphidinae, Mindarinae. Royal Entomological Society Handbooks for the Identification of British Insects, 2 (8), 215 pp
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