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Filtering by: Creator Soth, Brian M. Advisor Croft, Brian A. Subject Predation (Biology)

Interspecific predation and cannibalism of immatures by adult female Metaseiulus occidentalis, Typhlodromus pyri (Acari: Phytoseiidae) and Zetzellia mali Schueten (Acari: Stigmaeidae)

Creator:

MacRae, Ian Vance, 1958-

Abstract:

Interspecific predation and cannibalism and associated rates of oviposition were assessed for adult female Metaseiulus occidentalis (Nesbitt) and Typhlodromus pyri Scheuten when provided non-limiting amounts of either eggs, larvae, protonymphs, or deutonymphs. Tests with all four stages of phytoseiids and larvae of Tetranychus urticae Koch were carried out at 25°C....

Resource Type:

Dissertation

Full Text:

mali (Acari: Stigmaeidael Redacted for Privacy Abstract approved Brian A. Croft Interspecific
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:

preference in phytoseiid mites. Abstract approved: Brian A. Croft Knowledge of how individual organisms