Diflubenzuron Hazards to Fish, Wildlife and Invertebrates: A Synoptic Review
Contaminant Hazard Reviews
Report 25 ; Biological Report 4
By: R. Eisler
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Abstract
Diflubenzuron (1(4chlorophenyl)3(2,6difluorobenzoyl)urea), also known as dimilin, is a potent broad spectrum insect growth regulator that interferes with chitin synthesis at time of molting and is effective in controlling immature stages of insects. Diflubenzuron was approved for domestic use in 1976 to control gypsy moth (Lymantria dispar), and in 1979 against the cotton boll weevil (Anthonomus grandis). By 1989 this compound was also registered for domestic use against mosquitos, forest Lepidoptera, mushroom flies, and leaf-eating insect pests of citrus, woody ornamentals, vegetables, and fruit. Diflubenzuron seldom persists for more than a few days in soil and water. When used properly in forest management, it is unlikely to be leached into ground water from the application site. Degradation in water and soil is most rapid when small particle formulations are applied; microorganisms are abundant; and at elevated pH, temperature, and organic loading. Chemical and biological processes initially yield 2,6difluorobenzoic acid and 4chlorophenylurea.
| Publication type | Report |
|---|---|
| Publication Subtype | Organization Series |
| Title | Diflubenzuron Hazards to Fish, Wildlife and Invertebrates: A Synoptic Review |
| Series title | Contaminant Hazard Reviews |
| Series number | Report 25 ; Biological Report 4 |
| Year Published | 1992 |
| Language | English |
| Publisher | U.S. Department of the Interior, Fish and Wildlife Service |
| Publisher location | Laurel, MD |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | iii, 36 |
| Google Analytic Metrics | Metrics page |