Braman, C.A., Lambert, A.M., Özsoy, A.Z., Hollstien, E.N., Sheehy, K.A., McKinnon, T., Moran, P., Gaskin, J.E., & Goolsby, J.A. 2021 Biology of an Adventive Population of the Armored Scale Rhizaspidiotus donacis, a Biological Control Agent of Arundo donax in California. Insects 12, 588: 12070588
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Notes: The invasive giant reed, Arundo donax, impacts river ecosystems world-wide. The plant-feeding scale insect Rhizapidiotus donacis is approved for biocontrol use in North America but a wild (adventive) population was found in southern California. We studied the adventive scale to document its distribution, life history, relatedness to European samples, risk to a native reed, and ability of a biocontrol wasp to develop within it. The adventive was found within a single watershed and is genetically closest to the Iberian scale population.
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