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Related Experiment Video

Updated: Jun 29, 2026

Rearing Ixodes scapularis, the Black-legged Tick: Feeding Immature Stages on Mice

Rearing Ixodes scapularis, the Black-legged Tick: Feeding Immature Stages on Mice

Published on: May 8, 2017

Seasonal flooding and environmental variation decrease blacklegged tick (Acari: Ixodidae; Ixodes scapularis) survival

Ningzhu Bai¹, Afsoon Sabet², Allison Williams¹

¹School of Environment and Natural Resources, College of Food, Agriculture, and Environmental Science, The Ohio State University, Columbus, OH, USA.

Journal of Medical Entomology

|June 27, 2026

Summary

Flooding and saturated soil significantly increase blacklegged tick (Ixodes scapularis) nymph mortality. This research indicates that these ticks struggle to survive prolonged inundation in wetland environments.

Keywords:

nymphal survival seasonal flooding soil moisture tick survival underwater survival

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Cities As Interfaces of Zoonotic Hazard Emergence: Development of the New York City Tick and Wildlife Urban Surveillance System

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Published on: March 10, 2026

Area of Science:

Ecology
Environmental Science
Entomology

Background:

Precipitation volatility and flooding events impact terrestrial arthropod survival.
Blacklegged ticks (Ixodes scapularis) are important vectors of disease, and their environmental survival is critical to understand.
Limited data exists on the impact of water inundation on blacklegged tick survival.

Purpose of the Study:

To determine the survival rates of blacklegged tick nymphs exposed to flooded and saturated soil conditions in a wetland ecosystem.
To assess the impact of water inundation on tick survival in ecologically relevant field conditions.

Main Methods:

Utilized 48 "tickaria" microcosms, each containing 10 blacklegged tick nymphs.
Deployed tickaria in "dry" and "wet" sites within an experimental wetland in Ohio.
Periodically sampled tickaria between May and August to quantify nymph survival.

Main Results:

Blacklegged tick nymphs in flooded "wet" sites exhibited a significantly higher risk of mortality compared to those in "dry" sites (P < 0.001).
High volumetric water content in soil was also a significant predictor of increased tick mortality (P < 0.001).

Conclusions:

Blacklegged tick nymphs demonstrate low survival rates when subjected to prolonged flooding or saturated soil conditions.
Findings enhance understanding of tick ecology and the potential influence of changing precipitation patterns on tick populations.