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. |
| 15 Images of 10 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 3948073 | Egyptian Thorn | Acacia nilotica | Tunnels of termites, Microtermes sp on trunk of Acacia nilotica, Blue Nile Valley. |
| 0758076 | oak wilt | Ceratocystis fagacearum | Root grafts on Texas live oak. These are the main means by which oak wilt spreads. |
| 5176021 | wood borer of coigue | Holopterus chilensis | Fresh attack and boring dust, X Region Chile |
| 2167045 | western tent caterpillar | Malacosoma californicum | Tent and defoliation |
| 2167047 | western tent caterpillar | Malacosoma californicum | Tents and defoliation |
| 2122047 | poplar twiggall fly | Hexomyza schineri | Galls, Fort Collins, CO. |
| 2122048 | poplar twiggall fly | Hexomyza schineri | Galls |
| 1244012 | Antarctic beech | Nothofagus antarctica | Forest with extensive decline, XII Region, Chile |
| 1254040 | fall webworm | Hyphantria cunea | Tent and larvae, Fort Collins, CO. |
| 1254052 | European elm scale | Eriococcus spuria | Black sooty mold growing on honeydew deposited by scale infestations, Colorado State University campus, Fort Collins, CO. |
| 1254060 | poplar twiggall fly | Hexomyza schineri | Galls, Fort Collins, CO. |
| 1254062 | hackberry bud gall maker | Pachypsylla celtidisgemma | Fort Collins, CO. |
| 3943081 | Asian chestnut gall wasp | Dryocosmus kuriphilus | Partially opened gall showing larvae. |
| 3948066 | Egyptian Thorn | Acacia nilotica | forest in oxbow lake adjacent to the Blue Nile at flood stage. |
| 1428100 | poplar twiggall fly | Hexomyza schineri | gall on twigs. |
