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The Asian tiger mosquito, or Aedes albopictus, is thought to have first invaded (xâm chiếm) the U.S. in the mid-1980s, establishing itself in Texas. It rapidly expanded its range and is now found throughout much of the Southeastern and Central U.S. While its related cousin Ae. aegypti is more likely to cause disease, Ae. albopictus is still capable of spreading Zika, dengue, West Nile, and other brain-infecting viruses.

One strategy that has allowed the Asian tiger mosquito to survive in more temperate weather involves its eggs. When the mosquitoes “sense” rough conditions ahead, meaning the longer nights caused by winter, they lay more eggs capable of going into dormancy. Once the days are longer and conditions are again ripe for growth, these eggs wake from their slumber and hatch as normal. As a release from Washington University in St. Louis put it, the eggs are like mosquito time capsules (viên nang thời gian).