Zombie Fungus?
During a recent Hemlock Woolly Adelgid survey, one of our volunteers found a little yellow blob attached to a hemlock twig. The mass was clearly not HWA, but curiosity prompted me to bring it back to the office for examination. A closer look under the microscope revealed that the blob actually consisted of a powdery fungus encapsulating a dead spider! After a bit of research, I came to suspect that it might be some sort of Cordyceps; a genus of parasitic fungi capable of taking control of an arthropod, thus directing it to navigate to a favorable position for the fungi’s spores to...
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