Difference between revisions of "Choristoneura rosaceana"
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[[File:Choristoneura_rosaceana_IPM5461456.jpg|250px|thumb|''Choristoneura rosaceana'' (click on image to enlarge it)<br/>Author(s): Mark Dreiling<br/>Source: [http://www.ipmimages.org/browse/detail.cfm?imgnum=5461456 IPM Images]]] | [[File:Choristoneura_rosaceana_IPM5461456.jpg|250px|thumb|''Choristoneura rosaceana'' (click on image to enlarge it)<br/>Author(s): Mark Dreiling<br/>Source: [http://www.ipmimages.org/browse/detail.cfm?imgnum=5461456 IPM Images]]] | ||
<font color="#800000">'''''Choristoneura rosaceana'''''</font> (Harris, 1841) - (obliquebanded leafroller) | <font color="#800000">'''''Choristoneura rosaceana'''''</font> (Harris, 1841) - (obliquebanded leafroller) | ||
| − | This moth is widely distributed in North America, where it infests apples, pears, cherry, raspberries and other crops. The larvae feed on the buds, leaves and fruit surface. Late instar larvae, construct shelters with webbing, often | + | This moth is widely distributed in North America, where it infests apples, pears, cherry, raspberries and other crops. The larvae feed on the buds, leaves and fruit surface. Late instar larvae, construct shelters with webbing, often rolling leaves or tying them together. Damage to fruits results in a reduced quality or premature fruit drop. On raspberries the larvae cause mainly contamination of mechanically harvested fruits. |
| − | There are typically 2 generations per year, one in cooler regions. Overwintering takes place as 2nd or 3rd instar larvae which complete their development the coming spring. The wingspan of the adult moths is around 10 mm with males being smaller than females. The forewing colour is brownish, typically with 3 darker cross bands which may not reach the hind margin. The mature caterpillars are greenish to yellowish green. The head is black, often also part of the prothorax. | + | There are typically 2 generations per year, one in cooler regions. Overwintering takes place as 2nd or 3rd instar larvae which complete their development during the coming spring. The wingspan of the adult moths is around 10 mm with males being smaller than females. The forewing colour is brownish, typically with 3 darker cross bands which may not reach the hind margin. The mature caterpillars are greenish to yellowish green. The head is black, often also part of the prothorax. |
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Choristoneura rosaceana (Harris, 1841) - (obliquebanded leafroller)
This moth is widely distributed in North America, where it infests apples, pears, cherry, raspberries and other crops. The larvae feed on the buds, leaves and fruit surface. Late instar larvae, construct shelters with webbing, often rolling leaves or tying them together. Damage to fruits results in a reduced quality or premature fruit drop. On raspberries the larvae cause mainly contamination of mechanically harvested fruits.
There are typically 2 generations per year, one in cooler regions. Overwintering takes place as 2nd or 3rd instar larvae which complete their development during the coming spring. The wingspan of the adult moths is around 10 mm with males being smaller than females. The forewing colour is brownish, typically with 3 darker cross bands which may not reach the hind margin. The mature caterpillars are greenish to yellowish green. The head is black, often also part of the prothorax.
| Vernacular names | |
|---|---|
| • English: | obliquebanded leafroller |
| • Español: | enrollador de la hoja de bandas oblicuas |
| • Français: | tordeuse à bandes obliques |
