Does Beauveria Bassiana work for Bed Bugs?

Beauveria Bassiana kills bed bugs

In this article, we will answer the question: Does Beauveria bassiana work for bed bugs?
In the fight against bed bugs, an unlikely hero emerges from the realm of nature: Beauveria bassiana, a powerful fungus with the potential to combat these bothersome pests.

They have long been a nuisance in homes, hotels, causing distress and discomfort for their human hosts. However, recent research highlighted the potential of Beauveria bassiana as a natural enemy of these persistent insects.

In this article, we will get into the remarkable capabilities of Beauveria bassiana. And check its role in the quest to rid our living spaces of bed bugs. Discover how this fungal warrior holds promise in providing a safer and more environmentally friendly solution to combat these unwelcome intruders. Join us as we explore the fascinating world of Beauveria bassiana and its potential to revolutionize bed bug control.


What is Beauveria Bassiana?

Beauveria bassiana is a species of fungus that is widely used as a biological control agent against various insect pests. It has insecticidal properties and the ability to parasitize and kill insects. Beauveria bassiana naturally occurs in soils worldwide and infects a wide range of insects. This includes beetles, flies, aphids, caterpillars, and even certain mites.

When applied as a biological insecticide, Beauveria bassiana spores attach to the cuticle (outer covering) of the target insect. The fungus then penetrates the insect’s body, proliferates, and ultimately causes the insect’s death. The infected insects may display symptoms such as loss of appetite, lethargy, and a fuzzy or powdery appearance due to the growth of the fungus.

Beauveria bassiana is considered an environmentally friendly alternative to chemical insecticides as it specifically targets insect pests and has minimal impact on non-target organisms and the environment. It is commonly used in agricultural settings, horticulture, and integrated pest management strategies for pest control.


Does Beauveria Bassiana work for Bed bugs?

Beauveria bassiana has been studied as a potential control agent for bed bugs. But its effectiveness against this particular pest is still being researched. While Beauveria bassiana has shown promise in laboratory settings and in some field studies against other insect pests, its application and success in eliminating bed bug infestations have yet to demonstrate a total efficiency against them.

They have a unique biology and behavior, which may pose challenges for Beauveria bassiana to effectively reach and infect them. They tend to hide in crevices, cracks, and other protected areas, making direct contact with the fungus more difficult.

Febreze is another commonly discussed home remedy for bed bugs. To find out more about its effectiveness, check out our article on Febreze and Bed bugs.


Can Beauveria Bassiana kill Bed Bugs Eggs?

Beauveria bassiana has shown limited efficacy against bed bug eggs. While the fungus may have some impact on their eggs, it is generally less effective in killing them compared to nymphs or adult bugs.

Bed bug eggs have a protective outer layer called the chorion, which acts as a barrier against external agents, including Beauveria bassiana. The fungus may have difficulty penetrating the eggshell and reaching the developing embryo inside.

Additionally, the timing of application is crucial when targeting their eggs. Beauveria bassiana is most effective during the nymph and adult stages of bed bugs. When they are more susceptible to the fungal infection.

For effective control of bed bugs, a comprehensive approach is necessary, including the treatment of adult bugs, nymphs, and their harborage areas. Combination strategies such as vacuuming, steaming, heat treatments, and insecticide applications targeted at bed bug eggs may be employed along with other measures.


How to use Beauveria Bassiana for Bed bugs?

Using Beauveria bassiana for pest control typically involves the application of a commercial formulation of the fungus.

Here are general steps to follow when using Beauveria bassiana for bed bugs:

  • Choose a suitable product: Look for a commercially available Beauveria bassiana-based insecticide labeled for bed bug control. These products usually come in the form of a powder or liquid.
  • Read and follow the instructions: Carefully read the product label and follow the manufacturer’s instructions for proper usage, application rates, and safety precautions. Different products may have specific guidelines, so it’s important to follow them.
  • Prepare the treatment area: Before application, prepare the infested area by cleaning and removing clutter. Vacuum the area thoroughly to remove any visible bugs, eggs, and debris.
  • Apply the Beauveria bassiana product: Apply the product according to the instructions provided. This may involve dusting the powder or spraying the liquid in targeted areas where they hide. Such as cracks, crevices, and hiding spots.
  • Focus on harborage areas: Pay special attention to areas where they are likely to hide. Such as mattress seams, bed frames, furniture joints, baseboards, and behind electrical outlets. Treat these areas thoroughly to increase the chances of contact between the bed bugs and the Beauveria bassiana spores.
  • Monitor and reapply if needed: Monitor the treated areas regularly for bed bug activity. If the infestation persists or reoccurs. You may need to reapply the Beauveria bassiana product or consider additional integrated pest management measures.


Which plant kills bed bugs?

While there is no single plant that can be definitively claimed to kill bed bugs completely on its own. Some plants and their derivatives have insecticidal properties that may help in pest control. Here are a few examples:

  • Pyrethrum: Pyrethrum is derived from the dried flowers of certain chrysanthemum species, particularly Tanacetum cinerariifolium. It contains natural insecticidal compounds called pyrethrins, which can effectively kill them on contact. Pyrethrum is often used in commercial insecticides for its effectiveness against various pests, including bed bugs.
  • Neem: Neem, also known as Indian lilac (Azadirachta indica), has insecticidal properties. Neem oil, derived from neem seeds, contains compounds such as azadirachtin that can disrupt the life cycle of bed bugs and act as a repellent. While neem oil may not eliminate an infestation entirely. You can use it as part of an integrated pest management approach.
  • Bean Leaves: Although not a widely used method, certain studies have shown that bean leaves (such as those from kidney bean plants) have microscopic hairs that can trap and impale bed bugs. However, this method is more of a passive trapping mechanism rather than a direct plant-induced insecticidal action.


Which is the best insecticide for killing Bed bugs?

There isn’t a single “best” insecticide for killing bed bugs that applies universally to all situations. The choice of insecticide depends on several factors, including the extent of the infestation, the specific circumstances, and any environmental or health considerations.

Some insecticides for bed bug control include:

  • Pyrethroids: These synthetic insecticides, such as deltamethrin, cypermethrin, and lambda-cyhalothrin, are commonly used for bed bug control. They act on the nervous system of bed bugs and are available in various formulations, including sprays, dusts, and aerosols.
  • Neonicotinoids: Insecticides like imidacloprid and acetamiprid belong to this class. They target the central nervous system of bed bugs and can be effective in controlling infestations.
  • Insect growth regulators (IGRs): IGRs, such as methoprene and pyriproxyfen, disrupt the growth and development of bed bugs, preventing them from reaching adulthood or reproducing.
  • Desiccants: Desiccant dusts, such as silica gel, diatomaceous earth, and boric acid, work by drying out the waxy outer layer of bed bugs. Which causes them to dehydrate and die. (source)


It is crucial to follow the instructions provided on the insecticide product labels and take necessary safety precautions when using any chemical treatment



In this article, we answered the question: Does Beauveria bassiana work for bed bugs?
In conclusion, Beauveria bassiana emerges as a promising natural weapon in the battle against bed bugs. This formidable fungus offers an environmentally friendly alternative to chemical insecticides, harnessing the power of nature to combat these persistent pests.

Although more research is required, Beauveria bassiana holds great potential in integrated pest management strategies for pest control. By embracing this fungal, we move closer to a future where homes and establishments can be free from the torment of bed bug infestations. Which will promote a healthier and more peaceful living environment for all.

If you’re searching for information about the most effective insecticide specifically designed and tested to eliminate bed bugs, we suggest referring to our detailed Bed Bugs Spray Buying Guide.