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Open AccessCommunication
Insects 2016, 7(2), 22; doi:10.3390/insects7020022

Field Method for Testing Repellency of an Icaridin-Containing Skin Lotion against Vespid Wasps

1
Service Entomology, O.D. Taxonomy and Phylogeny, Royal Belgian Institute of Natural Sciences, Rue Vautier 29, Brussels B-1000, Belgium
2
Oystershell Laboratories, Booiebos 24, Drongen B-9031, Belgium
3
Bellemdorpweg 95, Aalter B-9981, Belgium
*
Author to whom correspondence should be addressed.
Academic Editor: Errol Hassan
Received: 29 April 2016 / Revised: 27 May 2016 / Accepted: 1 June 2016 / Published: 3 June 2016
(This article belongs to the Special Issue Plant Extracts as Insecticides in Pest Control)
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Abstract

Vespid wasps are ecologically beneficial predators of insects but their stings also pose a human health risk. Current control methods based on killing vespids are suboptimal. Here, the repellent effect against Vespula vulgaris of a 20% icaridin skin lotion was evaluated under field conditions. An experimental setup was designed in which six artificial skin pieces (10 × 10 cm) were video-recorded for 1 h, to count each min the numbers of flying and feeding vespids. Prior to monitoring, five pieces were successively smeared with 2 mg of cream per cm2, in 30 min intervals, from t = −120 min to 0. The sixth sheet remained untreated to serve as a control. One milliliter of an attractant, fruit jam, was deposited on each of the six surfaces at t = 0. The control surface was free of any flying or feeding vespid during an average period of 25 min, whereas the other five surfaces (treated at t = −120, −90, −60, −30, and 0 min) remained vespid-free for 39, 40, 45, 49, and 51 min, respectively. The skin lotion remained significantly active for at least 2 h. The experimental methodology is adjustable and allows the study of repellents against vespids in semi-natural conditions. View Full-Text
Keywords: vespids; Vespula vulgaris; field tests; body cream; repellency; icaridin vespids; Vespula vulgaris; field tests; body cream; repellency; icaridin
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Boevé, J.-L.; Eertmans, F.; Adriaens, E.; Rossel, B. Field Method for Testing Repellency of an Icaridin-Containing Skin Lotion against Vespid Wasps. Insects 2016, 7, 22.

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