Skip to content

‘Questing Dermacentor varabilis’

Questing Dermacentor varabilis

When seeking a host, ticks such as the American dog tick (Dermacentor variabilis) wave their forelegs, in a behavior called “questing.” The ticks’ forelegs feature tiny sensory pits called Haller’s organs used to detect a passing host. (Photo credit: Tanya Josek)

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.