Comparison of efficiency of BG-sentinel traps baited with mice, mouse-litter, and CO2 lures for field sampling of male and female Aedes albopictus mosquitoes

Abstract : Determining the abundance and distribution of male mosquitoes in the wild and establishing species seasonality in candidate pilot sites is of particular interest with respect to the use of the sterile-male technique. With the knowledge that using mice as bait in BG-Sentinel traps effectively enhances Aedes albopictus male and female trapping success, the present study was designed to determine whether attractants derived from mouse odour blend could be a viable substitute for live mice to lure Ae. albopictus mosquitoes into traps. The effects of baiting BG-Sentinel traps with mice, carbon dioxide (CO 2), and attractants derived from litter mouse odours (mouse litter (ML)) and a mouse odour blend (MOB) on the efficiency of trapping Ae. albopictus males and females were tested using a Latin square design. The BG-Sentinel trap baited with CO 2 + ML caught a significantly larger number of mosquitoes compared to traps baited with mice only. The BG-Sentinel traps containing only CO 2 or CO 2 + MOB, however, did not catch significantly more mosquitoes compared to the other traps. The proportions of males caught in the BG-Sentinel traps did not differ significantly between the respective attractants. The results from this study confirm that CO 2 bait is efficient to provide a reliable estimation method for Ae. albopictus adult male abundance in the wild, and suggest that mouse litter baits in combination with CO 2 could be used to enhance Aedes trapping success in BG-Sentinel traps.
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https://hal.umontpellier.fr/hal-02011711
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Soumis le : vendredi 8 février 2019 - 10:14:44
Dernière modification le : samedi 9 février 2019 - 23:09:39

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insects-08-00095.pdf
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Gilbert Le Goff, David Damiens, Abdoul-Hamid Ruttee, Laurent Payet, Cyrille Lebon, et al.. Comparison of efficiency of BG-sentinel traps baited with mice, mouse-litter, and CO2 lures for field sampling of male and female Aedes albopictus mosquitoes. Insects, MDPI, 2017, 8 (3), pp.95. 〈10.3390/insects8030095〉. 〈hal-02011711〉

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