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Open AccessArticle

Marking Drosophila suzukii (Diptera: Drosophilidae) with Fluorescent Dusts

1
Zoology Department, Research Centre for Fruit Cultivation (pcfruit npo), Fruittuinweg 1, B-3800 Sint-Truiden, Belgium
2
Department of Biosystems, KU Leuven, Decroylaan 42, B-3001 Heverlee, Belgium
3
Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
*
Author to whom correspondence should be addressed.
Insects 2020, 11(3), 152; https://doi.org/10.3390/insects11030152
Received: 24 January 2020 / Revised: 24 February 2020 / Accepted: 26 February 2020 / Published: 1 March 2020
(This article belongs to the Special Issue The Study of Insect Movement and Foraging Strategies)
The marking of Drosophila suzukii can be an important instrument for studying the ecology and behaviour of this economically important fruit pest, aiding the development of new Integrated Pest Management (IPM) tools or strategies. There is, however, a need for a cost-effective methodology that provides an easily detectable and stable mark. Whereas fluorescent pigment powders are often used in entomological research, the pigments (series, dyes), application techniques, or doses need to be evaluated for each studied species in terms of their efficacy and possible adverse effects on the performance of the insect. The effectiveness of different application techniques and dyes (RadGlo® TP-series) and their effect on the survival of adult D. suzukii were investigated in the laboratory. Furthermore, the influence of the marking on the behaviour of the flies was examined in laboratory trap assays (olfaction) and a field recapture study (general orientation). The persistence and detectability of the marks was evaluated both on living flies (for different application techniques) and dead flies under trapping/storage conditions. The use of fluorescent powders to mark D. suzukii flies yielded a clearly detectable and highly persistent mark, without any adverse effects on the survival and behaviour of the flies. View Full-Text
Keywords: Drosophila suzukii; insect marking; mark-release-recapture; mark-recapture; dispersal; trapping; RadGlo®; DayGlo®; modelling; behaviour Drosophila suzukii; insect marking; mark-release-recapture; mark-recapture; dispersal; trapping; RadGlo®; DayGlo®; modelling; behaviour
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Clymans, R.; Van Kerckvoorde, V.; Beliën, T.; Bylemans, D.; De Clercq, P. Marking Drosophila suzukii (Diptera: Drosophilidae) with Fluorescent Dusts. Insects 2020, 11, 152.

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