William M. Ciesla's Images
Title: OwnerOrganization: Forest Health Management International
Unit: Fort Collins, CO.
Country: United States
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Bill Ciesla is a forest health specialist and owner of Forest Health Management International, a consulting company based in Fort Collins, CO. Bill received his undergraduate and graduate degrees in forestry and forest entomology from the State University of New York, College of Environmental Science and Forestry at Syracuse University, Syracuse, NY. He has held assignments with USDA Forest Service as a forest entomologist and forest health program manager in Asheville, NC, Pineville, LA, Missoula, MT, Davis, CA, Fort Collins, CO and Portland, OR. From 1990 to 1995, he served as Forest Protection Officer for the Food and Agriculture Organization in Rome, Italy. His areas of interest include biology and management of forest insects and diseases and the use of remote sensing for forest damage assessment Bill is an avid photographer, specializing in close ups of insects and wildflowers and of forest damage. |
| 16 Images of 6 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1254022 | white pine weevil | Pissodes strobi | |
| 5382346 | large aspen tortrix | Choristoneura conflictana | Aerial view of defoliation of aspen caused by the large aspen tortix |
| 5382347 | large aspen tortrix | Choristoneura conflictana | Aspens defoliated by large aspen tortix |
| 5382430 | blue spruce engraver | Ips hunteri | Aerial view of an infestation |
| 5382435 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of tree mortality |
| 5382436 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of tree mortality |
| 5382437 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of tree mortality |
| 5382438 | mountain pine beetle | Dendroctonus ponderosae | Tree mortality |
| 5382439 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of a thinned stand with heavy damage |
| 5382440 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of thinned stand with heavy damage |
| 5382441 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of heavy tree mortality |
| 5382442 | mountain pine beetle | Dendroctonus ponderosae | Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest |
| 5382500 | western spruce budworm | Choristoneura freemani | Defoliation of Engelmann spruce and subalpine fir |
| 5382501 | western spruce budworm | Choristoneura freemani | Heavy defoliation of Engelmann spruce and subalpine fir |
| 5382502 | western spruce budworm | Choristoneura freemani | Aerial view of defoliation of mixed conifers. |
| 5382497 | western balsam bark beetle | Dryocoetes confusus | Aerial view of tree mortality |
