10. Derived from: Legner, E. F. & E. R. Oatman. 1962. Foliage-feeding Lepidoptera on young nonbearing apple trees in Wisconsin. J. Econ. Entomol. 55(4): 552-554.
Populations of foliage-feeding Lepidopters were studied under an aphicide-treated and a check environment in a young, nonbearing Red Delicious and Cortland apple orchard in Door County, Wisconsin in 1959 and 1960. Seventeen species in nine families were collected from the orchard in 1959 and 33 species in 19 families in 1960. The greatest number of species were represented in the Noctuidae. The three most abundant species were Spilonota ocellana (Denis & Schiffermuller), Argyrotaenia velutiana (Walker), and Lithocolletis crataegella Clemens in that order. Four species occurred in two generations; all others had a single generation. The number of individuals and species present were influenced by tree variety, plot environment, and year, the highest counts occurring on Red Delicious and under the check environment.
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