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Seedcorn Maggot (Diptera: Anthomyiidae) Phenology in Central Iowa and Examination of a Thermal-Unit System to Predict Development Under Field Conditions

Seedcorn Maggot (Diptera: Anthomyiidae) Phenology in Central Iowa and Examination of a... AbstractTwo generations of seedcorn maggots (SCM)occurred in central Iowa in 1980 and 1981. In both years, overwintering flies appeared in late April (at 181/198°Dc; 1980–1981) and the F1generation appeared in early June (at 494/490 degree-days C; 1980–1981). SCM were uncommon or absent in the summer and fall, strongly suggesting aestivation by flies in the F2. Air temperatures were useful in predicting SCM development in the field; however, both air and soil temperatures overestimated SCM development. Our results indicate that low-risk planting periods could be identified with additional knowledge of SCM population biology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Entomology Oxford University Press

Seedcorn Maggot (Diptera: Anthomyiidae) Phenology in Central Iowa and Examination of a Thermal-Unit System to Predict Development Under Field Conditions

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Publisher
Oxford University Press
Copyright
© 1984 Entomological Society of America
ISSN
0046-225X
eISSN
1938-2936
DOI
10.1093/ee/13.1.105
Publisher site
See Article on Publisher Site

Abstract

AbstractTwo generations of seedcorn maggots (SCM)occurred in central Iowa in 1980 and 1981. In both years, overwintering flies appeared in late April (at 181/198°Dc; 1980–1981) and the F1generation appeared in early June (at 494/490 degree-days C; 1980–1981). SCM were uncommon or absent in the summer and fall, strongly suggesting aestivation by flies in the F2. Air temperatures were useful in predicting SCM development in the field; however, both air and soil temperatures overestimated SCM development. Our results indicate that low-risk planting periods could be identified with additional knowledge of SCM population biology.

Journal

Environmental Entomology – Oxford University Press

Published: Feb 1, 1984

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