Rhagoletis pomonella (Walsh) - Apple Maggot

The apple maggot is indigenous to North America and has been a serious pest of apples in Canada for over 100 years. It is now widespread throughout eastern Canada, with the exception of Newfoundland.
The principal hosts of the Apple Maggot are apple (Malus spp.) and hawthorn (Crataegus spp.); sweet cherry (Prunus avium) and sour cherry (Prunus cerasus) are also significant hosts in two states of the U.S.A. Other hosts are known.
Information we provide to the plant industry and scientific community includes:
- Pest Fact Sheet
- Policy Directives
- D-00-07 - Import and domestic requirements for fresh fruit and plants of hosts of apple maggot (Malus spp., Crataegus spp. and some species of Prunus) into British Columbia from Mexico, the continental United States, and infested areas of Canada.
- D-94-02 - Certification of apples for export for the presence of Apple Maggot, Rhagoletis pomonella (Walsh)
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