Gnat against a white background - Keep gnats away from your home with Kona Coast Pest Control in Kailua Kona

Gnat / Midge (non-biting)

Actual Size: 1/16 to ⅛”

Characteristics: Grayish-black with gray or see-through wings.

Legs: 6

Wings: Yes

Antennae: Yes

Habitat: Often found around bodies of water, which is where they lay their eggs.


  • Their presence in an area is known to attract spiders.
  • Also known as midges, they fly in swarms that look like clouds. 
  • Often mistaken for mosquitoes, but do not bite or spread disease.
  • Attracted to artificial lights, leading to their presence around outdoor light sources.

Gnats in Kailua Kona

Gnats, also known as midges, are small non-biting insects that are widespread throughout the United States. Typically breeding in aquatic environments, these flies can emerge in significant numbers. The species that affect homes and buildings are mostly nocturnal fliers attracted to building lights. People may find their presence bothersome, mistakenly thinking they are mosquitoes. Unlike mosquitoes, gnats lack a biting needle, preventing the transmission of diseases. This distinctive feature sets them apart, offering reassurance despite their occasional nuisance around illuminated structures.

Gnat Habitat

Gnats are most commonly found in spring and summer, serving as significant pests around lakes, rivers, and aquatic regions where they lay their eggs. Despite being weak fliers, they can travel extensive distances when carried downwind, migrating from nearby ponds, lakes, or rivers to swimming pools, homes, and buildings. A considerable number of these tiny flies are attracted to light, posing a nuisance by landing on people or infiltrating homes and businesses. These minuscule insects do not feed and have a short lifespan, just enough for mating, laying eggs, and eventual demise.

Gnat Behaviors, Threats, or Dangers

Although they don’t bite, a considerable number of gnats will emerge in vast swarms during peak periods, invading nearby residential or industrial areas, causing both annoyance and damage. Homes along the lakefront, sports facilities, recreational spaces, and businesses often find themselves engulfed by these insects. Moving in swarms akin to clouds, gnats have the ability to completely blanket houses, vehicles, patio furniture, and plants in outdoor environments. In regions teeming with gnats, the prevalence of spiders and their webs tends to heighten, further contributing to people’s concerns. Control measures for gnats often focus on eliminating breeding sites, improving sanitation, and using insecticides in specific situations.

If you are dealing with a gnat/midge fly problem on your property, contact your local fly exterminators.