The Company of Biologists

Table 1.

Responses of adults of five hard tick species to odour being released from rumen fluid

	Amblyomma variegatum^{^b}	Amblyomma hebraeum	Ixodes scapularis	Ixodes persulcatus	Ixodes ricinus
N	18	15	20	13	16
Attraction (%)^{^a}	+44^{^***}	+26^{^***}	+21^{^***}	+13^{^*}	+4^{^**}
Change in speed (%)	+23^{^**}	+5	+1	+28^{^**}	+4^{^*}

	Amblyomma variegatum^{^b}	Amblyomma hebraeum	Ixodes scapularis	Ixodes persulcatus	Ixodes ricinus
N	18	15	20	13	16
Attraction (%)^{^a}	+44^{^***}	+26^{^***}	+21^{^***}	+13^{^*}	+4^{^**}
Change in speed (%)	+23^{^**}	+5	+1	+28^{^**}	+4^{^*}

Median % change compared with control

P<0.05

P<0.01

***

P<0.001; Wilcoxon signed rank test

Eight of the 18 A. variegatum adults tested undertook significant local search behaviours (see Fig. 1) upon removal of rumen odour from the air stream (Fisher exact test, P<0.01, two-tailed)

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