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[R] Adjective referring to holocyclic aphids exhibiting the phenomenon of host alternation and thus utilizing an often woody winter or primary host, on which eggs are laid, and a usually herbaceous summer or secondary host.
For example, the primary host of the peach-potato aphid (Myzus persicae) is peach or plum, secondary hosts being mainly annual herbaceous plants (*) .

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HYPPZ on line: Species (scientific names), Pests (common names), Glossary, Crops.

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