Questing abundance of adult taiga ticks Ixodes persulcatus and their Borrelia prevalence at the north-western part of their distribution

Table 2 Reported densities of adult Ixodes persulcatus ticks during their peak occurrence in Europe and Siberia

Site	Lat	Long	Median	Mean	Range	n^a	km^b	Habitat	Years	Reference
Bothnian Bay, Finland	65°00	25°00	6.5	10.0	5.0–36.0	8	0.8	Decid. forest	2019	This study
Eastern Finland	62°40	31°00	–	0.02^d	0.0–1.1	96	235	Forest	2008–2009	Bugmyrin et al. [49]
Norrbotten, Sweden	65°44	23°46	0.7^d	12.7^d	0.0–75.3	7	2.1	Mixed forest	2015–2016	Jaenson & Wilhemsson [32]
Karelia, Russia	62°07	33°96	0.6^c,d,e	0.9^c,d,e	0.2–2.5 ^c,d,e	2	–	Forest	1982–1990	Bugmyrin et al. [11]
Karelia, Russia	62°07	33°96	3.5 ^c,d,e	4.0^c,d,e	2.1–9.1^c,d,e	9	2.5–18.9	Various	1995–2017	Bugmyrin et al. [11]
Karelia, Russia	61°50	33°12	2.4^d	2.0^d	1.1–2.6	3	138.2	Forest	2006–2010	Bugmyrin et al. [50]
Karelia, Russia	61°26	33°16	1.2^d	1.3^d	0.2–4.4	14	109.1	Forest	2006–2010	Bugmyrin et al. [50]
Karelia, Russia	62°12	33°50	0.7^d	0.7^d	0.0–1.9	10	119.0	Forest	2006–2010	Bugmyrin et al. [50]
Western Siberia, Russia	56°20	84°57	2.7^c	3.8^c	1.7–11.8^c	1	c.8	Forest	2006–2013	Romanenko and Leonovich [31]

^aThe number of sampled sites
^bLength of the dragged distance in km
^cValues are calculated from yearly data
^dPeak was not distinguished with seasonal cloth dragging
^eValues were approximated from Fig. 1 in Bugmyrin et al. [11]
Note: Mean and median number of adult Ixodes persulcatus ticks collected per 100 m² during their peak occurrence in Northern Europe and Siberia

ISSN: 1756-3305