Date of Award:
5-1-1966
Document Type:
Thesis
Degree Name:
Master of Science (MS)
Department:
Biology
Department name when degree awarded
Entomology
Committee Chair(s)
D. W. Davis
Committee
D. W. Davis
Committee
B. A. Haws
Committee
J. R. Simmons
Committee
A. T. Tu
Abstract
The alfalfa weevil, Hypera postica (Gyllenhal), is an insect of European origin which by some unknown means was introduced into Utah (Titus 1910). It is the most destructive pest of alfalfa in the United States although locally others may be more serious. The female inserts her eggs into the alfalfa stems during the spring months. The larvae feed on the developing leaf buds and the leaves, often completely stripping the plants. The weevil destroys from seven to eight percent of the alfalfa in Utah each year. It costs alfalfa growers in the United States several millions of dollars in annual losses.
Recommended Citation
Wu, Lan Lin, "Bioassay Evaluation of Heptachlor, Telodrin and Diazinon Using Cache Valley Populations of the Alfalfa Weevil" (1966). Biology. 341.
https://digitalcommons.usu.edu/etd_biology/341
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