Effect of Calcium Sulfide on Chironomus riparius (Diptera: Chironomidae) Egg Hatchability
- 1 April 1976
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 5 (2) , 256-258
- https://doi.org/10.1093/ee/5.2.256
Abstract
Egg masses of Chironomus riparius Meigen were tested in graduated aqueous solutions of CaS, ranging from 1–100 mg/l. Results showed that the number of unhatched eggs/given sulfide concn fit an exponential function of the form y = a ebx. The median lethal tolerance at 72 h after oviposition (TLm, 72) was established at 9.15 mg sulfide/l.Keywords
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