Distribution of RWA by studied variables in percentage by species (F. pratensis: N = 35, F. rufa: N = 91, F. lugubris: N = 100) A elevation B slope C ecological groups of plants D stone cover E grass cover F canopy cover G dominant tree H forest age (transects with unknown values are excluded). For underlined species the impact is statistically significant.

  Part of: Antonova V, Marinov MP (2021) Red wood ants in Bulgaria: distribution and density related to habitat characteristics. Journal of Hymenoptera Research 85: 135-159. https://doi.org/10.3897/jhr.85.61431