icad12072-sup-0001-FiguresS1-S2.docxWord document65K

Figure S1. Distances between the four different areas P1–P4 denoted by symbols describing the dominant tree species: ▲ = spruce, ♦ = pine, □ = small-leaved lime, ○ = oak. In the boxes are shown the nearest neighbour distances of the nests. The nests were chosen so that nest 1 and 2 were each other's nearest neighbours, and that nest 1 was also the nearest neighbour for nest 3.

Figure S2. Ordination diagrams (PCoA) based on the Bray–Curtis distance visualizing the similarity of the species composition in ant nests: (a) all guest species (log-transformed data), (b) non-myrmecophiles (log-transformed data), (c) myrmecophiles, and (d) myrmecophilous beetles. The symbols denote the four different areas each dominated by a different tree species: ▲ = spruce, ♦ = pine, □ = small-leaved lime, ○ = oak.

icad12072-sup-0002-TableS1.docxWord document35KTable S1. List of the identified guest taxa in the 12 studied nests of Formica polyctena, and their observed total number of individuals and number of occupied nests. The final column indicates the species that have been described as myrmecophiles in literature: m = true myrmecophiles and x = xenobiont, social parasite (e.g. aAndersson, 1974; bDonisthorpe, 1927; cKoch, 1989a, b, 1992; dLapeva & Simov, 2000).

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