There are many insects which spend part of their lives below ground, feeding on the roots of various plants. While much is known about their above-ground lives, less is known about what they do underground. Focusing on the clover root weevil (Sitona lepidus), an insect that attacks white clover (Trifolium repens) throughout Europe and the United States, Scott Johnson, Peter Gregory (Scottish Crop Research Institute, UK), and Xioxian Zhang (University of Abertay, UK) used various techniques, including x-ray tomography, to observe the insects plant choices. The team identified a flavanoid compound that attracted the weevils, who show a preference for N2-fixing root nodules. The talk, "What lies beneath: How do soil insects find host plant roots?" will be given by Scott Johnson during Organized Oral Session 8: Invertebrate Ecology: Butterflies and Soil Insects.
Monday 8 August 08:00 – 11:30 EDT, Meeting Room 518 C, Level 5, Palais des congrès de Montréal
Annie Drinkard | EurekAlert!
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