Universität zu Köln

Fink, Patrick ORCID: 0000-0002-5927-8977, Moelzner, Jana, Berghahn, Ruediger and von Elert, Eric ORCID: 0000-0001-7758-716X (2017). Do insect repellents induce drift behaviour in aquatic non-target organisms? Water Res., 108. S. 32 - 39. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 0043-1354

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Abstract

Synthetic insect repellents are compounds applied to surfaces to discourage insects, mainly mosquitoes, from landing on those surfaces. As some of these repellents have repeatedly been detected in surface waters at significant concentrations, they may also exert repellent effects on aquatic non-target organisms. In running water systems, aquatic invertebrates actively enter downstream drift in order to avoid unfavourable environmental conditions. We thus tested the hypothesis that the widely used insect repellents DEET (N,N-Diethyl-m-toluamide), EBAAP (3-[N-butyl-N-acetyl]-aminopropionic acid ethyl ester) and Icaridin (1-piperidinecarboxylic acid 2-(2-hydroxyethyl)-1-methylpropyl ester) induce downstream drift behaviour in the aquatic invertebrates Gammarus pulex (Crustacea, Amphipoda) and Cloeon dipterum (Insecta, Ephemeroptera), using a laboratory-scale drift assay. We found no clear increase in the drift behaviour of both invertebrate species across a concentration gradient of eight orders of magnitude and even beyond maximum environmental concentrations for any of the three repellents. We found no evidence for a direct drift-inducing activity of insect repellents on aquatic non-target organisms. (C) 2016 Elsevier Ltd. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Fink, Patrick UNSPECIFIED orcid.org/0000-0002-5927-8977 UNSPECIFIED Moelzner, Jana UNSPECIFIED UNSPECIFIED UNSPECIFIED Berghahn, Ruediger UNSPECIFIED UNSPECIFIED UNSPECIFIED von Elert, Eric UNSPECIFIED orcid.org/0000-0001-7758-716X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-248219
DOI:	10.1016/j.watres.2016.10.083
Journal or Publication Title:	Water Res.
Volume:	108
Page Range:	S. 32 - 39
Date:	2017
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
Place of Publication:	OXFORD
ISSN:	0043-1354
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MACROINVERTEBRATE DRIFT; LAMBDA-CYHALOTHRIN; WASTE-WATER; STREAM; TOXICITY; DEET; BIODEGRADATION Multiple languages Engineering, Environmental; Environmental Sciences; Water Resources Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/24821