Grapholita prunivora(LASPPR)
Distribution details in United States of America (Michigan)
Current pest situation evaluated by EPPO on the basis of information dated
1995: Present, no details
* Carde, R. T.; Baker, T. C.; Castrovillo, P. J. (1977) Entomologia Experimentalis et Applicata 22 (3), 280-288.
* Krawczyk G, Johnson JW (1995) Occurrence and pest status of lesser apple worm Grapholita prunivora Walsh in Michigan apple orchards. In International Conference on Integrated Fruit Production. Acta Horticulturae 422 (pp. 356-357).
----- In commercial managed blocks we found no fruit with injury caused by this insect. In abandoned orchards lesser apple worm caused up to 5% injuries, significantly less than other common fruit feeders.
* Krawczyk G, Johnson JW (1995) Occurrence and pest status of lesser apple worm Grapholita prunivora Walsh in Michigan apple orchards. In International Conference on Integrated Fruit Production. Acta Horticulturae 422 (pp. 356-357).
----- In commercial managed blocks we found no fruit with injury caused by this insect. In abandoned orchards lesser apple worm caused up to 5% injuries, significantly less than other common fruit feeders.
| Country | State | Status | |
|---|---|---|---|
| Canada | New Brunswick | Present, no details | |
| Canada | Nova Scotia | Present, no details | |
| Canada | Manitoba | Present, no details | |
| Canada | British Columbia | Present, no details | |
| Canada | Ontario | Present, no details | |
| Canada | Present, restricted distribution | ||
| Canada | Québec | Present, no details | |
| Mexico | Present, restricted distribution |