Introduction to aphids.pdf - NJF
Introduction to aphids.pdf - NJF
Introduction to aphids.pdf - NJF
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Life cycles<br />
• The aphid life cycles can be devided in<strong>to</strong><br />
• 1. Holocyclical - the cycle starts and ends with an egg.<br />
• 2. Anholocyclical - a continuous production of parthenogenetic females<br />
where sexual reproduction never or very rarely occurs.<br />
• The life cycles can also be devived in<strong>to</strong><br />
• 1.Monoecious - no host alternation occurs<br />
• 2.Heteroecious - where a regular host alternation occurs