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Embryological induction and predation ecology in Daphnia pulex

Authors: Krueger, D. A.; Dodson, S. I.
Year: 1981
Journal: Limnology and Oceanography, Vol. 26, pp. 219-223
Publisher: UNKNOWN
DOI: 10.4319/lo.1981.26.2.0219
Keywords: AQUATIC BIOLOGY, DEVELOPMENTAL BIOLOGY, PREDATION, RMBL

Abstract

Results of laboratory experiments suggest that a water‐soluble factor released into the environment by the predacious phantom midge larva Chaoborus americanus (Diptera: Chaoboridae) causes embryos of the waterflea Daphnia pulex Leydig 1860 emend. Richard 1896 (Crustacea: Cladocera) to develop into a form called Daphnia minnehaha Herrick 1884. Chaoborus larvae are unable to eat the D. minnehaha form as readily as the D. pulex form.

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