Toxicity of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to eggs and nymphs of the mayfly (Hexagenia sp.)
Technical Report
47
By: T.D. Bills, L. L. Marking, and J.J. Rach
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Abstract
Eggs and nymphs of mayflies (Hexagenia sp.) were exposed to the lampricides 3-trifluoromethyl-4- nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalcylanilide (Bayer 73) and to a mixture of 98% TFM and 2% Bayer 73 (TFM-2B) to determine the sensitivity of various life stages to these compounds. Some eggs and newly hatched nymphs survived concentrations of TFM up to 10 mg/L; and nymphs of the other groups tested (7, 16, 23, and 27 mm long) died at concentrations of 5 mg/L or more. Eggs and nymphs were unaffected by Bayer 73 concentrations up to 0.4 mg/L, the highest concentrations tested.
| Publication type | Report |
|---|---|
| Publication Subtype | Other Report |
| Title | Toxicity of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to eggs and nymphs of the mayfly (Hexagenia sp.) |
| Series title | Technical Report |
| Series number | 47 |
| Year Published | 1985 |
| Language | English |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | 13-23 |
| First page | 13 |
| Last page | 23 |
| Google Analytic Metrics | Metrics page |