1. A. Rutten (https://orcid.org/0000-0002-4025-5265) ✉ (anneleen.rutten@uantwerpen.be) and H. Leirs (https://orcid.org/0000-0002-7612-5024), Dept of Biology, Univ. of Antwerp, Universiteitsplein 1, BE-2610 Antwerp, Belgium.
2. AR and J. Casaer (https://orcid.org/0000-0001-6788-5876), Research Institute for Nature and Forest (INBO), Brussels, Belgium.
3. D. Strubbe (https://orcid.org/0000-0002-2613-4985), Terrestrial Ecology Unit (TEREC), Gent, Belgium.