Ixodid ticks pass through four life stages: egg, larva, nymph, and adult. Larvae, nymphs, and adult females each take one large blood meal, then drop off to molt or lay eggs. The whole cycle typically takes two to three years and depends on finding a different host (or the same host repeatedly) at each feeding stage.
Hard ticks (Ixodidae) take one large blood meal per life stage and stay attached for days. Soft ticks (Argasidae), including Ornithodoros,…
Ixodes scapularis takes three blood meals over a roughly two-year life cycle. Larvae and nymphs feed mainly on white-footed mice and other…
Soft ticks in the genus Ornithodoros can survive years between blood meals and live for a decade or more. A single infected tick can sit…
An unfed adult Ixodes scapularis female weighs about 2 milligrams. Fully engorged she weighs 200 milligrams or more - around 100 times her…
Dermacentor albipictus is a one-host tick: larva, nymph, and adult all stay on the same animal for the entire roughly year-long cycle. A…
A single Ixodes scapularis nymph the size of a poppy seed can deliver Borrelia burgdorferi after roughly 36 to 48 hours of attachment.…