Host-seeking behaviour by Australian ticks (Acari: Ixodidae) with differing host specificities.
Ticks generally detach from their hosts into sites where they are later exposed to host species which may or may not be suitable for infestation. The question of how four species of ixodid ticks, with differing specificities, behave towards such potential host species was examined. Observations of the generalists, Aponomma hydrosauri and Amblyomma limbatum and the specialists, Aponomma fimbriatum and Aponomma concolor, showed that the generalists were attracted to a wider range of potential host species than the specialists and that the larval stages of all tick species, regardless of specificity, contacted more potential host species than the adults. The interspecific differences may be attributed to reliance on different sets of host cues, while the intraspecific differences may reflect the developmental state of the sensory system.
Belan
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School of Biological Sciences, Flinders University of South Australia, Bedford Park.
Bull
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CM
D000818:Animals; D001070:Appetitive Behavior; D001315:Australia; D005260:Female; D006790:Host-Parasite Interactions; D008116:Lizards / Q000469:parasitology; D008297:Male; D051379:Mice; D004442:Tachyglossidae / Q000469:parasitology; D013987:Ticks / Q000502:physiology*; D013997:Time Factors