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

Service Entomology, O.D. Taxonomy and Phylogeny, Royal Belgian Institute of Natural Sciences, Rue Vautier 29, Brussels B-1000, Belgium
Oystershell Laboratories, Booiebos 24, Drongen B-9031, Belgium
Bellemdorpweg 95, Aalter B-9981, Belgium
Author to whom correspondence should be addressed.
Academic Editor: Errol Hassan
Insects 2016, 7(2), 22;
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)
PDF [1650 KB, uploaded 3 June 2016]


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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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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