Introduction to aphids.pdf - NJF
Introduction to aphids.pdf - NJF
Introduction to aphids.pdf - NJF
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Alate forms<br />
• Emigrants (spring migrants) - Winged parthenogenetic females developing on<br />
the primary host and fly <strong>to</strong> the secondary host.<br />
• Alate alienicolae - Winged parthenogenetic females developing on the secondary<br />
host and fly <strong>to</strong> the secondary host.<br />
• Immigrants (autumne migrants) - Winged parthenogenetic females developing<br />
on the secondary host and fly <strong>to</strong> the primary host.<br />
– Winged males<br />
– Gynoparae- larvae becomes oviparous females<br />
– Androparae- larvae becomes apterous males<br />
– Sexuparae- larvae becomes apterous males and oviparous females