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Drummond, J, Williamson, SM, Fitchett, AE, Wright, GA and Judge, SJ (2016) Spontaneous honeybee behaviour is altered by persistent organic pollutants. Ecotoxicology, 26 (1). pp. 141-150. ISSN 0963-9292
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Abstract
The effect of environmental pollutants on honeybee behaviour has focused mainly on currently used pesticides. However, honeybees are also exposed to persistent organic pollutants (POPs). The aim of this laboratory based study was to determine if exposure to sublethal field-relevant concentrations of POPs altered the spontaneous behaviour of foraging-age worker honeybees. Honeybees (Apis mellifera) were orally exposed to either a sublethal concentration of the polychlorinated biphenyl (PCB) mixture Aroclor 1254 (100 ng/ml), the organochlorine insecticide lindane (2.91 ng/ml) or vehicle (0.01% DMSO, 0.00015% ethanol in 1M sucrose) for 1–4 days. The frequency of single event behaviours and the time engaged in one of four behavioural states (walking, flying, upside down and stationary) were monitored for 15 min after 1, 2, 3 and 4 days exposure. Exposure to Aroclor 1254 but not lindane increased the frequency and time engaged in honeybee motor activity behaviours in comparison to vehicle. The Aroclor 1254—induced hyperactivity was evident after 1 day of exposure and persisted with repeated daily exposure. In contrast, 1 day of exposure to lindane elicited abdominal spasms and increased the frequency of grooming behaviours in comparison to vehicle exposure. After 4 days of exposure, abdominal spasms and increased grooming behaviours were also evident in honeybees exposed to Aroclor 1254. These data demonstrate that POPs can induce distinct behavioural patterns, indicating different toxicokinetic and toxicodynamic properties. The changes in spontaneous behaviour, particularly the PCB-induced chronic hyperactivity and the associated energy demands, may have implications for colony health.
| Item Type: | Article |
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| Additional Information: | The final publication is available at link.springer.com via http://dx.doi.org/10.1007/s10646-016-1749-0 |
| Uncontrolled Keywords: | 05 Environmental Sciences, 06 Biological Sciences, 03 Chemical Sciences |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences |
| Divisions: | Natural Sciences & Psychology (closed 31 Aug 19) |
| Publisher: | Springer |
| Related URLs: | |
| Date Deposited: | 10 Nov 2017 11:25 |
| Last Modified: | 04 Sep 2021 11:01 |
| DOI or ID number: | 10.1007/s10646-016-1749-0 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/7515 |
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