Population dynamics of overwintering life stages of the alfalfa weevil, Hypera postica (Gyllenhal)
Virginia is a natural laboratory for studying overwintering habits of the alfalfa weevi1. At higher elevations, winters are relatively harsh and weevil pressure on the alfalfa crop is usually light. Much heavier pressure is the rule at lower elevations where winters are milder. The goal of this stud...
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| Format: | Others |
| Language: | en |
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/27985 http://scholar.lib.vt.edu/theses/available/etd-06072006-124139/ |