Mobility parameters of Tribolium castaneum and Rhyzopertha dominica populations with different susceptibility to phosphine |
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| Affiliation: | 1. Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou str., 38446, Nea Ionia, Magnesia, Greece;2. The BioRobotics Institute, Sant’ Anna School of Advanced Studies, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy;3. Healthcare Engineering Innovation Center (HEIC), Khalifa University, Abu Dhabi, United Arab Emirates;4. Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, Pisa, Italy;5. Department of Excellence in Robotics & A.I., Sant’Anna School of Advanced Studies, 56127, Pisa, Italy;1. The Scientific and Technological Research Council of Turkey (TUBITAK), Food Institute, 41470, Gebze, Kocaeli, Turkey;2. Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou Str., 38446, N. Ionia, Magnesia, Greece;3. Plant Protection Department, Faculty of Agriculture, Ankara University, 06110, Ankara, Turkey;1. USDA-ARS Center for Grain and Animal Health Research, 1515 College Avenue, Manhattan, KS, 66502, USA;2. Department of Entomology, Kansas State University, Manhattan, KS, 66506, USA;1. Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou str., Nea Ionia, Magnesia, 38446, Greece;2. BASF Crop Protection, BASF Plant Science, Speyerer Straße 2, D-67117, Limburgerhof, Germany;3. BASF Hellas, Paradissou 2 and Kifissias, 151 25, Maroussi, Athens, Greece;4. BASF Corporation, 26 Davis Drive, Research Triangle Park, 27709-3528, NC, USA;1. Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology (BIUST), Private Bag 16, Palapye, Botswana;2. Department of Zoology and Entomology, University of the Free State, Bloemfontein, South Africa;3. Chitedze Agricultural Research Station, Department of Agricultural Research Services, P.O. Box, 158, Lilongwe, Malawi;1. Department of Food Science, Institute of Post-Harvest and Food Science, The Volcani Center, ARO, Israel;2. Faculty of Agriculture, Food and Environment, Hebrew University, Israel;1. Institute of Bio-economy and Agri-technology (iBO), Center for Research and Technology, 38333, Volos, Magnesia, Greece;2. Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou Str., 38446, N. Ionia, Magnesia, Greece |
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| Abstract: | Phosphine (PH3) is the most commonly used fumigant to protect stored products from arthropod infestations worldwide. Our knowledge about the behavioral differences between phosphine-resistant and -susceptible stored product pest populations is limited. This study evaluated differences in mobility and behavior of populations of two major stored product insects, Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.), which have different susceptibility to phosphine. In this regard, laboratory bioassays in Petri dish arenas were designed to determine if phosphine resistance has an impact on the walking and mobility behavior of adult beetles of both species. Results indicated that there were significant differences between resistant and susceptible populations for both species. Regarding velocity, R. dominica susceptible individuals moved faster than resistant ones. However, the resistant population showed reduced activity for several parameters tested compared to the susceptible population. Similar trends were also noted for T. castaneum. Knowledge of these parameters should be further utilized in management tactics, as resistant populations may behave in a different way in key management indicators such as trapping and sampling, as compared with susceptible ones. |
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| Keywords: | Fumigant Walking behavior Phosphine resistance Stored product beetles |
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