Researchers have discovered that certain stink bug species use a cordycep-like fungus to defend against parasitic wasps.
Initially, special glands on the legs of these stink bugs were mistaken for "ears" due to their unusual location.
Unlike crickets, moths, mantises, and cicadas, which use organs on their legs, thoraxes, or abdomens to detect sound, these stink bugs do not have tympanal organs, the insect equivalent of an auditory system.
A study published in the journal Science on October 16, conducted by biologists from multiple universities in Japan, revealed this complex and intriguing trait in females of around 100 stink bug species, known as Dinidoridae.
For many insects, their “ears” aren’t located anywhere near their heads.
Author's summary: Stink bugs use fungus for defense.