The Araneopathogenic Genus Gibellula: A New Zombie Fungus Species Discovered in the British Isles

When we think of pest control, we often focus on traditional methods—traps, repellents, and eco-friendly solutions. However, nature has its own unique ways of keeping pest populations in check, and one of the most intriguing examples comes from the world of fungi. Recently, researchers discovered a new species of Gibellula, a genus of fungi that turns spiders into "zombies." This particular species was found parasitizing orb-weaving cave spiders (Metainae: Tetragnathidae) in the British Isles.

This discovery is not just a fascinating insight into nature’s own pest control mechanisms but also highlights the complexity of fungal pathogens that target arachnids. Let’s take a closer look at what this means and why it matters.

What is Gibellula?

Gibellula is a genus of araneopathogenic fungi, meaning it specifically targets spiders. These fungi belong to the Cordycipitaceae family in the order Hypocreales—the same group that contains the famous Ophiocordycepsfungi, known for turning ants into "zombies."

Fungal species in the Gibellula genus infect spiders by penetrating their exoskeletons, spreading through their bodies, and eventually killing them. The fungi then sprout delicate, spore-producing structures from the remains of the spider, often creating eerie, fuzzy growths that look like something out of a science fiction horror film.

The New “Zombie” Species in the British Isles

This newly discovered Gibellula species has been found targeting orb-weaving cave spiders in dark, damp environments where these arachnids thrive. Unlike common garden spiders, Metainae species prefer caves and secluded areas, making them an unusual host for fungal infections.

How Does Gibellula Infect Spiders?

Spore Attachment – The fungal spores land on the spider's body.
Penetration – The fungus breaks through the exoskeleton and starts spreading.
Nervous System Manipulation – Just like the infamous zombie-ant fungus (Ophiocordyceps unilateralis), this new Gibellula species may alter the spider’s behavior, making it more likely to stay in an environment conducive to fungal growth.
Death and Fruiting – The spider eventually dies, and the fungus erupts from its body, producing spore-bearing structures that spread the infection.

The discovery of this new zombie spider fungus is significant because it expands our understanding of host-specific fungal pathogens and the role they play in controlling spider populations.

Should We Be Concerned About This Fungus?

While the idea of a fungus that takes over spiders sounds terrifying, this isn’t something humans need to worry about. Gibellula is highly specialized and only targets arachnids. However, it does raise interesting questions about the balance of ecosystems. Could this fungus become a natural pest control method for problematic spider populations in certain environments?

The Role of Fungal Pathogens in Pest Control

Nature has long relied on fungi as a way to regulate insect and arachnid populations. Beauveria bassiana and Metarhizium anisopliae are two well-known fungi already used in commercial biopesticides to control insect pests like termites, mosquitoes, and agricultural crop invaders.

While Gibellula is not yet used for commercial pest control, the study of its effects on spiders could help scientists understand how fungal pathogens influence arachnid populations—especially in areas where spiders are either pests or important ecological players.

Final Thoughts

The discovery of a new Gibellula species in the British Isles is a testament to how much we still have to learn about the microscopic world that controls nature in unexpected ways. For pest control professionals, it serves as a reminder that some of the best pest management solutions already exist in nature.

At Aardvark Pest Control, we keep an eye on the latest developments in the world of natural pest control, ensuring that we use the safest, most effective, and environmentally friendly methods to manage unwanted critters. While we may not be using zombie fungi to control spider populations just yet, we’re always fascinated by the many ways the natural world keeps itself in balance.

Got a spider problem? Contact Aardvark Pest Control today for expert advice and humane pest control solutions!