A tawny-red big-headed ant sits on a green leaf.

Big-headed Ants: Harmful, or Just a Nuisance?

You’ve likely come upon an ant with a noticeably large head before and thought, “Why is that ant’s head so huge?” It wasn’t just an anomaly in the ant world—chances are, you spotted a big-headed ant belonging to one of several species within the genus Pheidole. Read on to find out if they’re a health …

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