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This profile was last updated on 10/21/13  and contains information from public web pages and contributions from the ZoomInfo community.

Ryan P. Hanavan

Wrong Ryan P. Hanavan?


Phone: (603) ***-****  
Local Address:  Durham , New Hampshire , United States
Forest Products Laboratory
One Gifford Pinchot Drive
Madison , Wisconsin 53726
United States

Company Description: The FPL research staff has the experience and expertise needed to make us world renowned among forest products research organizations and an unbiased source of...   more

Employment History

Web References
The Neodiprion fulviceps, or native ..., 8 Sept 2009 [cached]
The Neodiprion fulviceps, or native sawfly, visits an area en masse every 10 to 15 years, said Ryan Hanavan, entomologist for the Forest Service in Arizona. The female sawfly will split a pine needle open and lay her eggs inside. The young wasps hatch in the summer, spend 40 or 50 days crawling around and eating pine needles, then fall to the ground and burrow in, growing to adulthood as fall approaches. "We saw the sawflys effectively eating themselves out of house and home," Hanavan said, with some bugs starving because they had entirely consumed the branches in an area. Rodent and bird populations often follow, Hanavan said. They eat the bugs that collect on the trees and dig them out of the ground. When approached by predators, the sawflys become actors by pretending to be dead. If left alone, the bugs defoliate pine trees, but if about 20 percent of the pine needles remain on a tree, it likely will survive, Hanavan said. Then after two to three years, the bugs disappear entirely. Hanavan and research co-workers collect data on bugs and diseases by flying over national, tribal, state and private forest lands statewide yearly, looking for signs of disease and insects. The data are used to make maps that are given to various governments for policy decisions. In winter, Hanavan said, he plans to snowshoe out to various forest plots to survey insect activity.
Forest Service Forest Entomologist ..., 29 Jan 2015 [cached]
Forest Service Forest Entomologist Ryan Hanavan said Thursday the decline in the 274-square-mile area is due almost exclusively to the hemlock woolly adelgid.
RYAN HANAVAN- Head ..., 2 Dec 2010 [cached]
RYAN HANAVAN- Head Coach Northern Arizona University (208)301-8036
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