aphid-p2-life-cycle - by winged females Here the females...

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Aphid life cycle During the summer months, the aphid continues to produce wingless daughters by a process called parthenogenesis ; the production of offspring without the involvement of sex. From time to time, winged daughters are produced and these fly away to colonise new plants. In the Autumn the winged individuals include males. Winged aphid Life cycle of the bean aphid The males fly off to a woody shrub or tree and are joined
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Unformatted text preview: by winged females. Here the females produce wingless daughters which are mated by the males and then lay hard-shelled eggs on the tree branches. In this form the aphids survive the winter. In Spring the eggs hatch to wingless females which produce winged daughters by parthenogenesis. The winged daughters fly to the plants on which they will feed and establish new colonies. © D.G. Mackean...
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This note was uploaded on 11/29/2011 for the course BIO 218 taught by Professor Young during the Fall '11 term at BYU.

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