Impacts of two introduced ladybeetles, <em>Coccinella septempunctata</em> and <em>Harmonia axyridis</em> (Coleoptera: Coccinellidae), on native coccinellid species at Mount St. Helens, Washington and in southwestern Virginia
To assess changes in coccinellid communities subsequent to the introduction of two non-native species, Coccinella septempunctata and Harmonia axyridis, ladybird numbers were monitored over a 20 year period at Mt. Saint Helens, Washington and in three years between 1996 and 2004 in southwestern Virgi...
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Trace: Tennessee Research and Creative Exchange
2007
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| Online Access: | http://trace.tennessee.edu/utk_gradthes/230 |