Table S1 Overview of questing stages of Ixodes ricinus ticks recorded in different near-ground air temperature categories during the monitoring periods in 2001-2006.

Temperature category (°C)	Number of visits	Registered from – to (Month, Day)	Larvae	Nymphs	Males	Females
≤ 0	7	March 18 – April 18	Total	0	139	13	4
Mean	0	19.9	1.9	0.6
Median	0	11	0	0
≤ 0	22	October 6 – December 1	Total	64	218	2	5
Mean	2.9	9.9	0.1	0.2
Median	0	6.5	0	0
0.1 – 5	17	March 11 – May 24	Total	103	1248	31	30
Mean	6.4	78.0	1.9	1.9
Median	0	68	1.5	1
0.1 – 5	11	September 11 – November 18	Total	24	324	2	7
Mean	2.2	29.5	0.2	0.6
Median	0	33	0	0
5.1 – 10	41	March 16 – November 14	Total	589	2974	51	59
Mean	14.4	72.5	1.2	1.4
Median	5	52	1	1
10.1 – 15	63	April 10 – October 25	Total	2227	5607	113	79
Mean	35.3	89.0	1.8	1.3
Median	15	78	1	1
15.1 – 20	27	April 3 – September 25	Total	1304	2824	52	33
Mean	48.3	104.6	1.9	1.2
Median	22	75	2	1
20.1 – 26.5	20	April 30 – September 11	Total	1379	2071	33	14
Mean	69.0	103.6	1.7	0.7
Median	39	95.5	1	1