Published July 1980. 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
Glyptholaspis americana (Berl.), G. confusa (Foa) and
deutonymphal Parasitus sp. were studied to determine the function
of the tritosternum. Studies were conducted on feeding, cleaning,
temperature and humidity sensitivity using intact individuals and
individuals whose tritosterna had been surgically removed.
The tritosternum was found to have two functions:
1) As...
The probing behavior and feeding activity of green peach aphid, Myzus persicae
Sulzer, on Bacillus thuringiensis ssp. tenebrionis- transgenic potatoes, insecticide
treated potatoes, and host plants with different preference were electronically
monitored. I found that first, transgenic potatoes had no effect on green peach aphid
probing suggesting that transmission of...