Abundance of Ixodes ricinus and prevalence of Borrelia burgdorferi s.l. in the nature reserve Siebengebirge, Germany, in comparison to three former studies from 1978 onwards

Table 2 Number of Ixodes ricinus and infection rates with B. burgdorferi s.l. at three plant communities in the Siebengebirge in 2007 and 2008

		2007							2008
Plant community	Tick stage*	Total no. of ticks	No. of infected ticks/no. of examined ticks					Total infection rate (%)	Total no. of ticks	No. of infected ticks/No. of examined ticks					Total infection rate (%)
Plant community	Tick stage*	Total no. of ticks	Month^#					Total infection rate (%)	Total no. of ticks	Month^#					Total infection rate (%)
			M	JN	JL	A	S			M	JN	JL	A	S
Fraxino-Aceretum pseudoplatani	A	6	0/3	0/1	0/0	0/2	0/0	0	23	4/13	0/2	1/7	0/1	0/0	21.7
Fraxino-Aceretum pseudoplatani	N	100	12/46	1/13	0/1	0/5	7/35	20.0	340	5/47	11/58	8/46	4/32	0/0	15.3
Luzulo-Fagetum milietosum	A	18	1/4	0/12	0/2	0/0	0/0	5.6	15	0/8	0/0	0/6	1/1	0/0	6.7
Luzulo-Fagetum milietosum	N	288	14/91	33/88	2/35	2/12	0/10	21.6	482	5/52	27/61	4/54	18/55	4/8	25.2
Galio-Fagetum typicum	A	26	0/9	1/6	1/6	0/2	2/3	15.4	23	1/8	2/9	0/1	1/5	0/0	17.4
Galio-Fagetum typicum	N	608	14/91	18/94	12/86	3/16	14/29	19.3	708	6/53	4/52	3/59	6/55	1/9	8.8
Total	A	50	5/50					10.0	61	10/61					16.4
Total	N	996	132/652					20.2	1530	106/641					16.5
	All	1046	137/702					19.5	1591	116/702					16.5

* The total number of collected adult (A) and nymphal (N) of I. ricinus at the three study sites are separately presented.
# Ticks were collected in May (M), June (JN), July (JL), August (A) and September (S) of 2007 and 2008 at the three study sites of the Siebengebirge.

ISSN: 1756-3305