United States populations of Haemaphysalis longicornis reproduce parthenogenetically: a single unmated female can lay 1,000 to 2,000 viable eggs that hatch into clones of herself. One stowaway tick is enough to start an infestation, which is why the species spread to a dozen eastern states within a few years of its 2017 New Jersey detection.
The first established United States population of Haemaphysalis longicornis was identified on a single Icelandic sheep on a Hunterdon…
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…
Field studies in the northeastern United States routinely find a single white-footed mouse carrying dozens of attached Ixodes scapularis…
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…
Ixodid ticks pass through four life stages: egg, larva, nymph, and adult. Larvae, nymphs, and adult females each take one large blood…
Rhipicephalus sanguineus is the only major tick species that can complete its full life cycle indoors. Engorged females drop off a dog and…