Microlepidoptera Species Composition in Michigan Apple Orchards

Publisher Website
Google Scholar
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 & 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.

This publication has 2 references indexed in Scilit: