How do Cordyceps Control Ants


Cordyceps, a type of parasitic fungus, has a fascinating ability to control ants and manipulate their behavior. This unique relationship between the fungus and ants has been studied extensively and continues to intrigue scientists. In this article, we will explore how cordyceps control ants and shed light on the intricate mechanisms behind this phenomenon.

How do Cordyceps Control Ants
How do Cordyceps Control Ants

Infection and Manipulation

The life cycle of cordyceps begins when its spores come into contact with an ant. The spores attach themselves to the ant’s exoskeleton and germinate, penetrating the ant’s body through small openings. Once inside, the fungus starts to grow and develop, eventually taking control of the ant’s behavior.


Neurological Manipulation

Cordyceps exerts control over the ant’s central nervous system, effectively hijacking its brain. The fungus produces bioactive compounds that influence the ant’s behavior, altering its perception and decision-making abilities. This manipulation is thought to be achieved through the release of chemicals that mimic the ant’s natural neurotransmitters.


Behavioral Changes

As cordyceps takes control of the ant’s brain, it induces a range of behavioral changes that benefit its own survival and reproduction. The infected ant is compelled to leave its colony and ascend to an elevated location, such as the underside of a leaf or a twig. This behavior is essential for the fungus as it allows its spores to be dispersed over a wider area.


Attachment and Growth

Once the ant has reached a suitable location, the fungus continues to grow inside its body. Cordyceps form a network of filaments that spread throughout the ant’s tissues, absorbing nutrients and gradually killing the host. This process can take several days or even weeks, during which the ant remains alive but completely under the control of the fungus.


Spore Release

When the time is right, the cordyceps fungus forces the ant into a final act of sacrifice. The ant’s body is positioned in a way that maximizes the dispersal of fungal spores. As the fungus grows out of the ant’s body, it forms a fruiting body known as the “stroma.” The stroma releases a cloud of spores into the surrounding environment, ensuring the continuation of the fungus’s life cycle.



Cordyceps have evolved a remarkable ability to control ants, manipulating their behavior to ensure their own survival and reproduction. By infecting and taking control of the ant’s brain, the fungus induces specific behavioral changes that benefit its dispersal. This intricate relationship between cordyceps and ants continues to fascinate researchers and provides valuable insights into the complex interactions that exist in the natural world. So, next time you come across a cordyceps-infected ant, take a moment to appreciate the astonishing power of nature’s control.


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