No-See-Ums (Midges): Tiny Bites, Big Irritation
- Jennifer Jensen
- Apr 30
- 2 min read

No-see-ums, scientifically known as biting midges or Ceratopogonidae, are tiny flying insects that can be particularly bothersome due to their ability to slip through standard window and door screens. Measuring approximately 1-3 mm in length, their small size allows them to infiltrate spaces where larger insects cannot. These insects are notorious for their painful bites, which can lead to intense itching and discomfort. The bites result from the female no-see-ums feeding on blood, as they require protein for egg development. Interestingly, the saliva of these insects contains anticoagulants that prevent blood clotting, which can exacerbate the itching and swelling associated with their bites.
Scents that Deter Midges
Research has shown that certain scents can effectively repel no-see-ums and other biting insects. The following essential oils are noted for their deterrent properties:
Citronella: Known for its ability to repel a variety of insects, citronella oil is derived from the leaves and stems of lemongrass. Studies indicate that citronella can reduce mosquito landings by up to 50%.
Cedarwood: This oil is derived from the wood of cedar trees and has been found to repel multiple types of insects, including no-see-ums. Its effectiveness is attributed to its strong scent, which disrupts the insects' ability to locate hosts.
Lavender: Besides its pleasant aroma, lavender oil has insect-repelling properties that can deter no-see-ums. Research indicates that lavender oil can reduce insect landings significantly, making it a popular choice for natural repellents.
Peppermint: The strong scent of peppermint oil can confuse and deter biting insects. Studies have shown that peppermint oil can repel mosquitoes and may have similar effects on no-see-ums.
Eucalyptus: Specifically, lemon eucalyptus oil has been recognized by the CDC as an effective repellent against mosquitoes and may also deter no-see-ums. It contains compounds that interfere with the insects' ability to detect carbon dioxide and body odors.
Because of their size, consistent scent coverage is essential for effective repulsion. These essential oils create a barrier that can help keep no-see-ums at bay, particularly in outdoor settings where they are prevalent.
Outdoor Essential
If you’ve ever dealt with no-see-ums, you understand the importance of reliable protection—especially in damp or coastal environments. These insects thrive in moist habitats, often found near marshes, swamps, and beaches. Their peak activity typically occurs during dawn and dusk, making it crucial to apply repellents during these times. Incorporating natural repellents like the aforementioned essential oils into outdoor activities can significantly enhance comfort and reduce the likelihood of bites.




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