Difference between revisions of "Aphis pomi"
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[[File:Snodgrass Aphis pomi.jpg|250px|thumb|''Aphis pomi'' life cycle (click on image to enlarge it)<br/>Author(s): R.E. Snodgrass<br/>Source: [http://commons.wikimedia.org/wiki/File:Snodgrass_Aphis_pomi.jpg Wikimedia Commons]]] | [[File:Snodgrass Aphis pomi.jpg|250px|thumb|''Aphis pomi'' life cycle (click on image to enlarge it)<br/>Author(s): R.E. Snodgrass<br/>Source: [http://commons.wikimedia.org/wiki/File:Snodgrass_Aphis_pomi.jpg Wikimedia Commons]]] | ||
| − | <font color="#800000">'''''Aphis pomi'''''</font> de Geer, 1773 - green apple aphid | + | <font color="#800000">'''''Aphis pomi'''''</font> de Geer, 1773 - (green apple aphid) |
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| + | The aphid is an important pest of apple, pear and quince, widely distributed in apple-growing countries. Other plants from the family Rosaceae can also become infested. Large colonies can develop on the young shoots, that can result in extensive honey dew production, leaf curling and growth reduction. | ||
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| + | During the summer the aphid propagates parthenogenetically, usually with wingless females giving birth to live young nymphs. However, winged forms develop periodically that disperse and start new colonies on other trees. ''A. pomi'' does not migrate to a winter host and the last generation lays black, cold-resistant eggs on the bark that overwinter. | ||
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| + | Wingless females are green and around 2 mm long. The head, antennae and legs are mostly pale brown, the cornicles are black. Winged forms are dark, greenish to black. | ||
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| − | + | <gallery widths=200px caption="Other images of Aphis pomi (IPM Images and Hortipendium - click to enlarge)"> | |
| + | File:Aphis_pomi_IPM1386014a.jpg|winged adult | ||
| + | File:Aphis_pomi_Hortipendium1.jpg|colony | ||
| + | </gallery> | ||
[[Category:Aphis (genus)]] | [[Category:Aphis (genus)]] | ||
Latest revision as of 13:27, 31 August 2022
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Author(s): R.E. Snodgrass
Source: Wikimedia Commons
Aphis pomi de Geer, 1773 - (green apple aphid)
The aphid is an important pest of apple, pear and quince, widely distributed in apple-growing countries. Other plants from the family Rosaceae can also become infested. Large colonies can develop on the young shoots, that can result in extensive honey dew production, leaf curling and growth reduction.
During the summer the aphid propagates parthenogenetically, usually with wingless females giving birth to live young nymphs. However, winged forms develop periodically that disperse and start new colonies on other trees. A. pomi does not migrate to a winter host and the last generation lays black, cold-resistant eggs on the bark that overwinter.
| Vernacular names | |
|---|---|
| • Deutsch: | Grüne Apfelblattlaus |
| • English: | green apple aphid |
| • Español: | pulgón verde del manzano |
| • Français: | puceron vert du pommier |
| • Português: | pulgão-verde-da-macieira |
Wingless females are green and around 2 mm long. The head, antennae and legs are mostly pale brown, the cornicles are black. Winged forms are dark, greenish to black.
- Other images of Aphis pomi (IPM Images and Hortipendium - click to enlarge)
winged adult
colony
