Mosquitoes are cold-blooded insects, meaning their body temperature fluctuates with the surrounding environment. As temperatures drop, their activity levels decrease, and they eventually become inactive.
Factors Affecting Mosquito Activity:
- Temperature: Generally, mosquitoes become less active below 50°F (10°C).
- Humidity: High humidity levels can increase mosquito activity even at lower temperatures.
- Species: Different mosquito species have varying tolerances to cold temperatures. Some species can survive in colder climates than others.
- Life Stage: Mosquitoes in their larval stage are more tolerant of cold temperatures than adults.
How Cold is Too Cold for Mosquitoes?
Most mosquito species become dormant or die at temperatures below freezing (32°F or 0°C). However, some species, like the Asian tiger mosquito, can survive in colder climates by entering a state of diapause, a period of suspended development.
Practical Implications:
- Winter: Mosquitoes are less active in winter, but they can still be present in warmer regions or sheltered areas.
- Fall: Mosquitoes may be more active in the fall if temperatures remain warm and there is ample rainfall.
- Spring: Mosquito activity increases as temperatures rise in the spring.
