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Ep. 10. Murder Hornet 'Slaughter Phase' and Plant Guttation
Manage episode 302909304 series 2985446
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The Asian Giant Hornet is one of the many plagues that's hit us in 2020; but as fall approaches, it's thought they will enter the slaughter phase, when they can take out an entire bee hive within hours. Fortunately for us in Texas, recent models suggest that the the Asian Giant Hornet won't establish in Texas due to our suboptimal climate (and because they take "Don't mess with Texas" seriously).
We also discuss new findings on the importance of plant guttation as a nutritional resource for insects and the potential implications for systemic insecticides.
Citations:
Matsuura, M., and S. F. Sakagami. 1973. A bionomic sketch of the giant hornet, Vespa mandarinia, a serious pest for Japanese apiculture. 北海道大學理學部紀要. 19: 125–162.
University of Melbourne. 2020. 'Insect Armageddon': Low doses of the insecticide, Imidacloprid, cause blindness in insects: Findings show even small doses of insecticides reduce capacity of insects to survive. ScienceDaily. ScienceDaily, 28 September 2020. .
Urbaneja-Bernat, P., A. Tena, J. González-Cabrera, and C. Rodriguez-Saona. 2020. Plant guttation provides nutrient-rich food for insects. Proceedings. Biol. Sci. 287: 20201080.
Zhu, G., J. Gutierrez Illan, C. Looney, and D. W. Crowder. 2020. Assessing the ecological niche and invasion potential of the Asian giant hornet. Proc. Natl. Acad. Sci. 0: 202011441.
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