Asian Longhorned Tick Has Spread to Neighboring States

While present in over 20 states, the invasive tick species has not been reported in Mississippi.

Updated on Oct. 14, 2026 in Allergies

Macro photograph of a tick resting on a dew-covered blade of grass in a rural setting. — The Asian longhorned tick has been confirmed in Alabama, Arkansas, and Tennessee, though Mississippi officials report no sightings to date. AI Illustration. Upload story photo >

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The Asian longhorned tick, known scientifically as Haemaphysalis longicornis, has reached states bordering Mississippi, including Alabama, Arkansas, and Tennessee. However, officials have confirmed that zero instances of the tick have been reported within Mississippi.

Why it matters

The spread of this invasive species across the United States necessitates monitoring, as its presence in neighboring regions increases the potential for local infestation. Understanding the geographic reach of the tick is essential for tracking its movement across the country.

The Asian longhorned tick has been identified in more than 20 states nationwide. There are currently zero confirmed reports of the species within Mississippi.

The details

The Asian longhorned tick is actively spreading across the country, with confirmed populations now documented in neighboring Arkansas, Alabama, and Tennessee. Despite these findings in surrounding areas, Mississippi remains clear of the species.

As of October 14, 2026, reports confirm zero ticks have been found in Mississippi.

Health Landscape

This status update fits into the broader, ongoing national range expansion of the Haemaphysalis longicornis tick. Tracking the state-by-state migration of this species follows the established pattern of invasive insect surveillance observed across the United States.

Residents should remain aware that the tick has been confirmed in multiple surrounding states, although it has not yet reached Mississippi. Staying informed on the presence of this species helps individuals take appropriate precautions if traveling to or near regions where the tick is established.

The takeaway

The arrival of this invasive tick in neighboring states suggests that ongoing vigilance is necessary to detect potential future arrivals. Residents can consult state health guidelines to learn how to identify the species and report suspected encounters.