Dobsonflies, (larvae are also known as hellgrammites) are insects in the order Megaloptera. They have impressive sexual dimorphism; males have a extremely elongated mandibles, whereas the females do not. I have seen lots of misinformation over the years about these insects. Though they do have a strange appearance (apparently terrifying to some) theyre not harmful whatsoever. In fact, theyre very beneficial predators in aquatic ecosystems. They are what we call an indicator species, meaning that
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Dobsonflies, (larvae are also known as hellgrammites) are insects in the order Megaloptera. They have impressive sexual dimorphism; males have a extremely elongated mandibles, whereas the females do not. I have seen lots of misinformation over the years about these insects. Though they do have a strange appearance (apparently terrifying to some) theyre not harmful whatsoever. In fact, theyre very beneficial predators in aquatic ecosystems. They are what we call an indicator species, meaning that
80K viewsJun 13, 2025
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