An analysis of the establishment and impact of an exotic insect, Rhinocyllus conicus Froehling (Coleoptera: Curculionidae), on Carduus nutans L. and Carduus acanthoides L. (Campanulatae: Compositae) in Virginia with notes on their biologies
Studies over a two-year period were undertaken to evaluate the potential and effect of Rhinocyllus conicus as a biological control agent for Carduus nutans and C. acanthoides in Virginia. Over an 81 day range, 25 females oviposited an average of 100.5 eggs. Life expectancy did not differ between sex...
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/43363 http://scholar.lib.vt.edu/theses/available/etd-06172009-063016/ |