Rhagoletis pomonella
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Rhagoletis pomonella (Walsh) - (apple maggot fly)
The fruit fly is an economically significant pest of apples in North America. It is found mainly in eastern North America from Canada to Mexico, but has been also introduced into parts of western North America, including the important apple producing region in the Pacific North-West. Its original host may have been hawthorn (Crataegus) before the apple race developed. A hawthorn race is still found in some areas.
The female make a small puncture in a developing apple fruit to lay its eggs and the larvae bore into the fruit. They complete their development within 3-4 weeks and then drop to the ground for pupation and overwintering. The adults emerge the next spring. Monitoring with pheromone traps and control by pesticides is very important in some apple producing regions because of quarantine restrictions for export crops.
| Vernacular names | |
|---|---|
| • Deutsch: | Apfelfruchtfliege |
| • English: | apple maggot fly |
| • Español: | mosca de la manzana |
| • Français: | mouche de la pomme |
The adult is about 5 mm large and mainly black with a white scutellum and white lateral stripes on the thorax. The pattern on the forewing is also characteristic.
For details see the respective page in BugwoodWiki.
- Other images of Rhagoletis pomonella (Wikimedia Commons and IPM Images - click to enlarge)
adult
damage on apple
