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  • Writer's pictureAndy Hemmer

Diatomaceous Earth for Ground Wasps


ground wasp entering nest

Ground wasps can turn a peaceful afternoon in your backyard into a nightmare. These insects, often mistaken for bees or yellow jackets, are actually a species of wasps that build their nests underground. While they play a crucial role in ecosystem balance by preying on other insects, their presence near human habitation can pose a threat, especially for those allergic to their stings. If you've spotted ground wasps in your yard, it's essential to take action promptly to eliminate the nest safely and effectively.



What are Ground Wasps?


Ground wasps, also known as digger wasps or solitary wasps, belong to the family Sphecidae. Unlike social wasps that build nests in visible locations like trees or eaves, ground wasps prefer to burrow into the soil, creating underground nests. These wasps are solitary in nature, meaning each female builds and provisions her own nest rather than living in colonies like social wasps.



red and black ground wasp

ground wasp burrowing nest

ground wasp on ground


Ground wasps vary in appearance depending on the species, but they generally resemble other wasps with slender bodies, narrow waists, and two pairs of wings. Their coloration can range from black to brown, and some species may have yellow or red markings. While they might look intimidating, ground wasps typically only sting when provoked or feel their nest is threatened.



Steps to Eliminate Ground Wasps


When dealing with ground wasps, it's crucial to prioritize safety. Here are some methods for eliminating ground wasp nests:


  1. Observation: Before taking any action, observe the wasps from a safe distance to determine the location of their nest. Be cautious and avoid disturbing the nest unnecessarily.

  2. Nighttime Approach: Ground wasps are less active at night. Wait until after dusk to minimize the risk of getting stung.

  3. Boiling Water: One effective method for destroying ground wasp nests is pouring boiling water directly into the entrance holes. This method can kill the wasps and larvae inside the nest.

  4. Insecticides: There are numerous insecticidal sprays and dusts available, specifically formulated for eliminating ground wasps. Follow the instructions carefully and apply the product directly to the nest entrance.



Diatomaceous Earth for Ground Wasps: A Natural Solution



bowl of diatomaceous earth

Diatomaceous earth (DE) is a natural, eco-friendly substance made from fossilized remains of diatoms, a type of hard-shelled algae. DE is widely used in gardening and pest control due to its abrasive properties, which can penetrate the exoskeleton of insects, causing them to dehydrate and die.


To use diatomaceous earth for controlling ground wasps:


  1. Locate the Nest: Identify the entrance holes of the ground wasp nest.

  2. Apply DE: Carefully sprinkle a generous amount of diatomaceous earth around the entrance holes and any areas where ground wasps are active. Make sure to wear gloves and a mask to avoid inhaling the fine dust.

  3. Repeat as Needed: Reapply diatomaceous earth as necessary, especially after rain or irrigation, as it will lose effectiveness when wet.

  4. Monitor: Keep an eye on the nest site and observe any changes in ground wasp activity. With patience and persistence, you should notice a reduction in their numbers over time. HG TV gives a great take on how to use diatomaceous earth and other methods to kill ground wasps.



Ground wasps can be a nuisance, particularly if they've built their nests close to your home or recreational areas. While there are various methods for eliminating ground wasp nests, using diatomaceous earth offers a natural and environmentally friendly solution. By following safety precautions and applying DE effectively, you can rid your yard of ground wasps without resorting to harsh chemicals or pesticides. Enjoy your outdoor spaces once again, free from the buzzing presence of these unwelcome guests.







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