Index Catalog // ScholarsArchive@OSU

Creator:: Niwa, Christine Gail
Abstract:: The importance of pheromones in insect control relies both on their ability to reduce pest populations and on their relatively benign effects on nontarget organisms. This study was conducted to test the effectiveness of a pheromone application for mating disruption of the ponderosa pine tip moth, Rhyacionia zozana (Kearfott), and...
Resource Type:: Dissertation
Full Text:: ponderosa pine tip moth, Rhyacionia zozana, in California (Lepidoptera: Olethreutidae). Ann. Entomol. Soc

Creator:: Vandenberg, J. D. (John Donald)
Abstract:: Chalkbrood is a mycosis of larvae of the alfalfa leafcutting bee, Megachile rotundata (Fabricius). It is a serious threat to alfalfa seed growers in western North America who use populations of this bee for pollination. Basic studies were conducted to determine the etiology of this disease and the course of...
Resource Type:: Dissertation
Full Text:: of Gail Lahm is gratefully acknowledged. Al Soeldner aided me with the SEM work and took the

Creator:: Knight, Alan Lee
Abstract:: Developmental requirements were determined for both larva and pupa as 503 and 176 degree-days (dd) above a lower threshold of 5°C. Adult emergence occurred from 300 to 700 dd accumulated from January 1st. Cumulative male emergence preceded female's by 50 - 80 dd. A PETE phenology model modified to include...
Resource Type:: Dissertation
Full Text:: Gail Gredler for her aid in locating fields, answering questions, and making it fun to study

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