Dennis Haugen's Images
Country: United States
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| 3 Images of 1 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1393021 | Sirex woodwasp | Sirex noctilio | Nematode inoculation in South Australia - Aug 1987 |
| 1393022 | Sirex woodwasp | Sirex noctilio | Silvicultural control by on-time thinning in a 13-yr old plantation in South Australia. No mortality in thinned section (top right corner). 68% mortality in other seection. |
| 1393026 | Sirex woodwasp | Sirex noctilio | Trap tree plot in a 15-year old plantation in South Australia. For survey and/or for release site of biological control agents. March 1987 |
