Environmental Entomology (1985) 14, 486-495

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K. Strickler and M. Whalon (1985)
Microlepidoptera species composition in Michigan apple orchards
Environmental Entomology 14 (4), 486-495
Abstract: Over 36 species of foliage-feeding Microlepidoptera and 13 species of Macrolepidoptera were found during 2 years of sampling in 17 southern Michigan apple orchards. Most of these were in the family Tortricidae. Among the most abundant and widely distributed species, especially in abandoned orchards, were the tortricids Pseudexentera mali Freeman, Spilonota ocellana (Denis and Schiffermüller), and Choristoneura rosaceana (Harris). The choreutid Choreutis pariana (Clerck) was abundant in some abandoned orchards, but was virtually absent from commercial orchards. The species sampled in commercial orchards tended to be those that were most widely distributed and abundant in abandoned orchards. Microlepidoptera found in commercial orchards were a subsample of the species in abandoned orchards. Thus, an understanding of the factors that control Microlepidoptera distribution and abundance in abandoned orchards, along with information on responses to pesticides, will help predict future species trends in commercial orchards.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Database assignments for author(s): Mark E. Whalon

Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Choristoneura rosaceana Apple (Malus) U.S.A. (NE)
Spilonota ocellana Apple (Malus) U.S.A. (NE)
Choreutis pariana Apple (Malus) U.S.A. (NE)