Ips duplicatus(IPSXDU)
Distribution details in Sweden
Current pest situation evaluated by EPPO on the basis of information dated
1993: Present, widespread
From NPPO: Present, widespread
* Byers, J. A.; Schlyter, F.; Birgersson, G.; Francke, W. (1990) Experientia 46 (11-12), 1209-1211.
* Schlyter, F.; Byers, J. A.; Lofqvist, J. (1987) Journal of Chemical Ecology 13 (6), 1503-1523.
* Schlyter, F.; Byers, J. A.; Lofqvist, J. (1987) Journal of Chemical Ecology 13 (6), 1503-1523.
| Country | State | Status | |
|---|---|---|---|
| Finland | Present, restricted distribution | ||
| Norway | Present, widespread |