Table 3 Month with the highest monthly average of Culicoides collected at each site from 2007–2011
| Site | 2007 | 2008 | 2009 | 2010 | 2011 |
|---|---|---|---|---|---|
| Nijlen | June | July | August | July | June |
| Varendonk | May | April | June | June | October |
| Neerpelt | July | July | June | – | – |
| Frahan | September | May | July | – | – |
| Goronne | October | August | May | – | – |
| Verlaine | June | May | July | June | May |
| Gembloux | October | May | June | June | August |