| Publication Type: | Journal Article |
| Year of Publication: | 2002 |
| Authors: | G. Várkonyi, Hanski, I., Rost, M., Itämies, J. |
| Journal: | Oikos |
| Volume: | 98 |
| Pagination: | 421–430 |
| Keywords: | Ichneumonidae, Ophion, Ophioninae, Parasitica |
| URL: | http://www.helsinki.fi/science/biobof/Oikos_2002_Varkonyi_et_al.pdf |