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Gypsy Moths ...

Mt. Nittany being sprayed for Gypsy Moths on May 14, 2008. Photo by Ken Reeves, MNC Director Emeritus.

The following are links with information about the Gypsy Moths and their impact to the Mountain collected by the Conservancy since Fall 2007.

June 18, 2008: The Centre County Gypsy Moth Program website includes "2008 Gypsy Moth Outbreak: The Big Picture". This report says the following:

"Following a limited aerial survey on Sunday, June 15, it seems as if the ridges are receiving most of the damage as measured by defoliation. Bald Eagle / Purdue mountain and its continuation eastwards is being chewed up badly – it is looking browner each day. However, Mount Nittany is probably getting hammered the most. The areas that were sprayed are showing up dark green against the increasing brown, which is apparent as far east as my eye could see. The next ridge south, Tussey Mountain seems to paint a different picture; westwards there are signs of defoliation whereas eastwards all seems fine."

If you supported our spray efforts this spring, the Conservancy is very grateful for your help! As the County and DCNR discuss gypsy moth suppression program plans for 2009, we will be there to ensure that our Mountain is protected.

May 14, 2008: The Mountain was sprayed with the biological insecticide B.t. The Conservancy again thanks all our Friends that have supported us during of fund raising campaign for this spraying.

April 29, 2008: The Daily Collegian printed an article called "Moths to be sprayed." The article states in part: "Gypsy moths, which hatch in late spring, cause massive defoliation and can wipe out many of the mountain’s trees. If nothing is done by August, Mount Nittany will be leafless, Woodhead said."

April 23, 2008: The state Bureau of Forestry announced plans to triple its aerial spraying effort to suppress the woodland insect pest. See "DCNR to begin spraying woodlands to combat gypsy moth damage." The article states "Nine helicopters and five fixed-wing aircraft will begin the spray program in early May and end shortly after Memorial Day. Spraying is dependent on weather, foliage development and caterpillar development; progress can be tracked at www.dcnr.state.pa.us/forestry/spray.aspx."

April 3, 2008: Penn State's Daily Newswire had an article called "Gypsy moth management made more efficient, cost-effective."

Feb 25, 2008: WPSU's Pennsylvania Inside Out discussed the Gypsy Moth Threat (starts at 3:30). The segment featured Alan Cameron, Penn State Professor Emeritus of Entomology.
Watch: Pennsylvania Inside Out: This is THON, Gypsy Moth Threat, Koyannisqatsi

Nov 16, 2007: The Daily Collegian printed an article called "Conservancy prepares for gypsy moth damage by 'selling' Mt. Nittany." This article starts: "A menacing creature is lying in wait on the branches of trees lining Mount Nittany, and Penn State alumni could help fend it off."

Nov 6, 2007: Centre Daily Times article called "Gypsy moths threaten Mt. Nittany", the stage is set for heavy defoliation not only on top but also on the highly visible sides of our beloved Mountain in 2008.

Gypsy Moth Larva(e) E. Bradford Walker, Vermont Department of Forests, Parks and Recreation



Centre County Gypsy Moth Program: For more information on the Centre County Gypsy Moth Program, you can visit this website: http://www.co.centre.pa.us/gypsymoth/default.asp. Their site includes a link to Health Facts. Here they explain that the biological insecticide called B.t. or B.t.k for Bacillus thuringiensis var kurstaki will be used in the spraying program.

Centre County Township sites:
College Township
- Our Mountain Needs Us
Ferguson Township -
Gypsy Moth Spraying Information
Halfmoon Township - Gypsy Moths page
Patton Township -
Gypsy Moths page

Gypsy Moth Images: See the Gypsy Moth section of the Forestry Images website. Be sure to scroll down to the "damage" photos.

Copyright © 2005-2008  Mt. Nittany Conservancy.  All Rights Reserved.