Table 1.

Myrmica species, habitat type and number of colonies analyzed from each country

Species	Country	No. sites	No. colonies	Habitat	Total no. colonies
M. aloba	Spain	1	5	Dense & moist riverine forest.	5
M. lobicornis	Finland	1	3	Coniferous forest with ground moss.	3
M. lobulicornis	Spain	3	5	Alpine meadow above 1500 m.	5
M. rubra	Greece	1	2	Alder carr next to stream.	26
	Finland	5	11	Grassy fields, grass verges, inland sand dunes.
	Spain	4	10	Grazed fields, grassy verges, alpine meadow with stream, riverine edges.
	UK	1	3	Grassy fields.
M. ruginodis	Greece	1	4	Mountainous wet glade.	26
	Finland	6	7	Coniferous forest, grassy fields, sphagnum bog.
	Spain	10	10	Alpine meadow, glade, open pine woodland, wet meadow.
	UK	4	5	Upland and lowland moor, limestone quarry.
M. sabuleti	Greece	6	18	Rocky alpine slope, deciduous woodland edges, wet glade.	48
	Spain	10	18	Alpine meadow, forest glades, mixed forest, wet meadow.
	UK	4	12*	Lowland moor, grassy fields, coastal sand dunes, limestone quarry.
M. scabrinodis	Finland	9	25	Open pine forest, coastal grass margins, grassy fields, sphagnum bog.	63
	Spain	13	20	Alpine meadow, forest glade, open pine forest, riverside mosaic.
	UK	7	18*	Grassy fields, upland & lowland moor, limestone quarry, coastal sand dunes
M. schencki	Finland	4	8	Open pine forest, coastal grass margins, open coniferous forest.	24
	Spain	7	11	Grassy dry meadows, stony open Mediterranean scrub.
	UK	1	5	Coastal sand dunes.
M. specioides	Spain	8	8	Mosaic of meadow and woodland, dry sun exposed stony slopes, grazed alpine meadows.	8
M. sulcinodis	Spain	2	5	Alpine meadows above 2000 m.	5
M. vandeli	Spain	1	1	Alpine meadow with boggy areas, 1800 m.	1
M. wesmaeli	Spain	4	5	Alpine meadow with boggy areas, forest glades, 1200-1800 m.	5

*Data used from Guillem et al. (2012). Number of colonies represent the total number of nests chemo-typed. Species in bold were used in a detailed NMDS analysis