Mind Control, Mutilation and Death. The Fungal Fate That Lurks in Waiting for Emerging Periodical Cicadas

For the first time since Thomas Jefferson was president, broods of 13- and 17-year periodical cicadas are emerging from the ground at the same time. The fate that awaits some of these periodic cicadas—a fungal infection that hijacks their behavior and destroys their genitalia — sounds like the script of a bad zombie horror film. The culprit (or villain) is the entomopathogenic fungus Massospora cicadina.  

An adult red eyed 17-year periodical cicada sits on a leaf

While most entomopathogens kill their host before releasing their infectious spores, M. cicadina is one of the few species that increase spore dispersal by hijacking their host’s behavior and keeping them alive while sporulating (1). The manner it uses to do this is both gruesome and fascinating. If you can stomach some details of insect sex and dismemberment, read on.

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