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Researchers Discover Bed Bugs' Strong Aversion to Water

2/26/2026

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Summary

Story summary

University of California, Riverside researchers found that bed bugs strongly avoid water, with juvenile bed bugs being particularly quick to turn away.
The discovery occurred accidentally when an entomologist observed bed bugs avoiding a wet area in their feeding setup.
The findings suggest water could be a key factor in developing effective pest control methods, given the bed bugs' rebound and resistance to common insecticides.

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Story summary

University of California, Riverside researchers found that bed bugs strongly avoid water, with juvenile bed bugs being particularly quick to turn away.
The discovery occurred accidentally when an entomologist observed bed bugs avoiding a wet area in their feeding setup.
The findings suggest water could be a key factor in developing effective pest control methods, given the bed bugs' rebound and resistance to common insecticides.