Table 1. Sample information of the four species with number of populations, longitudinal, latitudinal, and altitudinal extensions.

	Pop	Lon		Lat		Alt
		min	max	min	max	min	max
T. alpestre	29	6.40	13.95	41.69	47.22	1,300	2,400
T. caespitum	45	−2.38	27.27	41.81	59.83	2	1,400
T. impurum	45	−3.28	26.35	40.10	50.99	7	2,000
T. sp. B	45	9.80	44.02	37.95	50.92	100	1,950

Notes.

Pop

Number of populations. Nests in spatial vicinity of less than one kilometre from each other were treatd as one population

Lon

Minimum and maximum longitudinal position in decimal format, positive values indicate position east of Greenwich, negative values indicate position west of Greenwich

Lat

Minimum and maximum latitudinal position in decimal format

Alt

Minimum and maximum altitudinal position in m above sea level