Index Catalog // ScholarsArchive@OSU

Abundance and community composition of arboreal spiders : the relative importance of habitat structure, prey availability and competition

Creator:: Halaj, Juraj
Abstract:: This work examined the importance of structural complexity of habitat, availability of prey, and competition with ants as factors influencing the abundance and community composition of arboreal spiders in western Oregon. In 1993, I compared the spider communities of several host-tree species which have different branch structure. I also assessed...
Resource Type:: Dissertation
Full Text:: western Oregon. In 1993, I compared the spider communities of several host-tree species which have

The black widow and other spiders

Creator:: Goulding, R. L., Capizzi, Joseph, and Oregon State University. Extension Service
Abstract:: Revised August 1972. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: of Oregon, it occurs in greatest abun- dance east of the Cascade Range. This spider does not enter

The black widow and other spiders [1970]

Creator:: Goulding, R. L., Every, R. W., and Oregon State University. Extension Service
Abstract:: Published February 1970. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: black widow spider is the most poisonous spider in the United States. It is the only spider na- tive to

The black widow and other spiders [1968]

Creator:: Goulding, R. L., Every, R. W., and Oregon State University. Extension Service
Abstract:: Published January 1968. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: SPIDER is found in practically all parts of the United States. Although found in all parts of Oregon, it

The black widow and other spiders

Creator:: Oregon State University. Extension Service, Capizzi, Joseph, and Simko, Ben
Abstract:: Published May 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: poisonous spider in the United States. It is the only spider native to Oregon whose bite causes severe

The Black widow spider (Latrodectus mactans Fabr.)

Creator:: Mote, Don C. (Don Carlos), 1887-, Gray, K. W. (Kenneth Wiesner), 1905-, and Oregon State Agricultural College. Agricultural Experiment Station
Abstract:: Published June 1935. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: widow spider, Latrodectus mactans Fabr. This infamous spider has bccn present in Oregon for many years

Characteristics of Typhlodromus americanus Chant and Yoshida-Shaul (Acari: phytoseiidae) as a biological control agent of Oligonychus ununguis (Jacobi) (Acari: tetranychidae)

Creator:: Horton, Rene N.
Abstract:: The life history, temperature, humidity, and feeding requirements of the phytoseiid predator mite, Typhlodromus americanus Chant and Yoshida-Shaul were tested in the laboratory. Occurance of the mite in the field during different times of the year was investigated as well. Effects of temperature and humidity on egg hatch, the feeding...
Resource Type:: Masters Thesis
Full Text:: miles from Corvallis, in Kings Valley, Oregon. Spruce 27 spider mite is considered to be an early

Prey-stage preference in phytoseiid mites

Creator:: Blackwood, J. Scott
Abstract:: Knowledge of how individual organisms behave in their environment can provide a greater understanding of population dynamics. In a predator-prey system, the choices made by predators when foraging for prey are important aspects of behavior. Particularly in the case of a stage-structured prey population, how the predator selects prey stages...
Resource Type:: Dissertation
Full Text:: biological control agents of Tetranychus spider mites in agricultural settings worldwide. Phytoseiid species

Bionomics and control of the two-spotted spider mite on pear in southern Oregon

Creator:: Westigard, Peter H., Lombard, P. B. (Porter B.), and Berry, Donald W.
Abstract:: Published November 1967. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: -Spotted Spider Mite on Pear in Southern Oregon Agricultural Experiment Station Oregon State University

Distribution of Oligonychus (Oligonychus) ununguis (Jacobi) (Acari: Tetranychidae) and predator mite species (Acair: Phytoseiidae) on field-grown Douglas-fir (Pseudotsuga menziesii [Mirb] Franco) Christmas trees

Creator:: Calkin, James D.
Abstract:: The shake and wash technique (samples placed in a jar with alcohol added and shaken to remove the mites) was effective in removing 100% of the predator mites, and adult spruce spider mites from Douglas-fir foliage and 98% of the spruce spider mite nymphs. Eighty-eight percent of the spruce spider...
Resource Type:: Masters Thesis
Full Text:: Willamette Valley, Oregon. When overwintering spruce spider mite egg densities populations were low (<5 eggs

ScholarsArchive@OSU

Abundance and community composition of arboreal spiders : the relative importance of habitat structure, prey availability and competition

The black widow and other spiders

The black widow and other spiders [1970]

The black widow and other spiders [1968]

The black widow and other spiders

The Black widow spider (Latrodectus mactans Fabr.)

Characteristics of Typhlodromus americanus Chant and Yoshida-Shaul (Acari: phytoseiidae) as a biological control agent of Oligonychus ununguis (Jacobi) (Acari: tetranychidae)

Prey-stage preference in phytoseiid mites

Bionomics and control of the two-spotted spider mite on pear in southern Oregon

Distribution of Oligonychus (Oligonychus) ununguis (Jacobi) (Acari: Tetranychidae) and predator mite species (Acair: Phytoseiidae) on field-grown Douglas-fir (Pseudotsuga menziesii [Mirb] Franco) Christmas trees

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