Table 2.

Results of nested PCR for 1,667 I. ricinusticks by geographic origin and developmental stage

RegionNo. of ticks with positive reaction/total (% positive)
NymphsAdult malesAdult femalesTotal
Uster0/65 (0)0/85 (0)1/75 (1.3)1/225 (0.4)
Wangen1/357 (0.3)4/202 (2.0)9/393 (2.3)14/952 (1.5)
Thur1/18 (5.5)1/41 (2.4)0/34 (0)2/93 (2.1)
Rheinau1/132 (0.8)1/51 (2.0)1/49 (2.0)3/232 (1.3)
Rüdlingen0/3 (0)0/69 (0)1/93 (1.1)1/165 (0.6)
 Total3/575 (0.5)6/448 (1.3)12/644 (1.9)21/1,667 (1.3)