Environmental factors influencing tick densities over seven years in a French suburban forest

Parasites & Vectors

Table 2 Prevalence of Ixodes ricinus female samples from Sénart Forest (France) that harbour DNA of selected micro-organisms from spring 2008 to spring 2014

Year	2008	2009	2010	2011	2012	2013	20
Number of ticks tested	69^a	73	28	4	50	14	21
I. ricinus 16S rRNA detection rate (%)	100	87	37	36	70	100	100
A. phagocytophilum	1 (1.5 %)	6 (8.2 %)	1 (3.6 %)	1 (25 %)	8 (16 %)	0	0
Anaplasma spp. ^b	11 (16 %)	0	0	0	0	0	0
M. mitochondrii	51 (74 %)	1 (1.3 %)	0	0	0	0	0
Rickettsia spp.	5 (7.3 %)	1 (1.4 %)	0	0	0	0	0
Babesia-Theileria spp.	1 (1.5 %)	2 (2.7 %)	1 (3.6 %)	0	1 (2 %)	0	0
Francisella tularensis	1 (1.5 %)	0	0	0	0	0	0
Borrelia burgdorferi (s.l.)	20 (29 %)	0	0	0	0	0	0
Borrelia miyamotoi	2 (3 %)	0	0	0	0	0	0
Bartonella spp.	0	0	0	0	4 (8 %)	0	0

Detection was performed on questing females in 2008 and on post-laying female carcasses from 2009 to 2014
^aResults from Reis et al. [22]
^bSequences obtained were all relative to uncultured Anaplasma spp. identified in ticks

ISSN: 1756-3305