Cloeon dipterum

Early studies focused on how adsorption to sediments affected the toxicity of SPs to aquatic organisms, through modifying exposure. It was shown for example that when permethrin and cypermethrin were adsorbed to sediments, the apparent toxicities to the water flea (D. magna), the mayfly nymph (Cloeon dipterum), and bluegill sunfish (Lepomis macrochirus) were significantly reduced [5]. 

Baetid, Cloeon dipterum Daphnid Daphnia magna... 

FIGURE 6.5 Dynamics of numbers of the aquatic stages of 2 ephemeropteran insects Cloeon dipterum (A) and Caenis horaria (B), and of the cladoceran Simocephalus vetulus (C) and the amphipod Gammarus pulex (D). Source Redrawn from data from van den Brink et al. (1996). 

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