Date of Award

12-1981

Degree Name

Master of Arts

Department

Biological Sciences

First Advisor

Dr. Joseph Engemann

Second Advisor

Dr. Richard Brewer

Third Advisor

Dr. David Cowan

Access Setting

Masters Thesis-Open Access

Abstract

Habitat prefernce for the aestivation of Hyper postica was researched by the sampling of field borders. Sampling methods by the sampling of field borders. Sampling methods included soil and vegetative litter collection, sweeping of borders with an insect net and emergence trapping of wooded and grass habitat. Fields were swept once a week to determine if H. postica returned to the field before the winter season. The methods resulted in the following findings: Weevils do not aestivate litter. Data from sweeping indicated that weevils prefer areas that include alfalfa and grasses. Results of observations implied that there is a direct relationship between population density of weevils and density of vegetation if the vegetation includes alfalfa and grasses. Emergence traps support the data that shows weevils select sites that include alfalfa and grasses. Field sweepings indicated that weevils began to return to the field in late August.

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Biology Commons

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