| Impact ID | 4164 |
| Impact Type | Food Web |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | High cover of Ludwigia grandiflora increased visitation from Syrphidae species and decreased visitation from Lepidoptera species. |
| Reference | 32944 |
| Great Lakes Region | No |
| Cost | |
| Location | Flanders, Belgium |