Browsing by Subject "Insect populations"
Now showing items 1-5 of 5
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(Texas A&M University. Libraries, 1981)Field and laboratory studies conducted at College Station, Texas from 1974 to 1976 were concerned with population dynamics of foliar pecan aphids and several biological features. Principle areas of investigation include ...
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(Texas A&M University. Libraries, 1980)This dissertation introduces two advancements in the treatment of random components within insect pest population models. Part one of the dissertation develops a model for predicting the mean and variance of a population ...
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(Texas A&M University. Libraries, 1986)Field studies were conducted at College Station, Texas in 1984-1986 to examine the population biology of the yellow pecan aphid complex. Populations of blackmargined aphids (M. caryella) were highly variable among pecan ...
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(Texas A&M University. Libraries, 1981)The effect of temperature on development, survivorship, reproductivity, and longevity of Geocoris pallens Stal, Geocoris punctipes (Say), Geocoris uliginosus (Say), and Geocoris lividipennis Stal was studied at a series ...
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(Texas A&M University. Libraries, 1985)The present study is concerned with the role of photo-period and temperature on the biology of the black-margined aphid. The four principle areas of investigation are duration of life stages, size of individual aphids, ...