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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

From: 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

   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 (%)
Month# Month#
    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
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
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
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
N 996 132/652 20.2 1530 106/641 16.5
  All 1046 137/702 19.5 1591 116/702 16.5
  1. * The total number of collected adult (A) and nymphal (N) of I. ricinus at the three study sites are separately presented.
  2. # 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.