Is pepsis heros dangerous to humans?
Pepsis heros not offensive and generally act alone, but they sting when they feel threatened. Pepsis heros will produce a venom that will be released when they sting. These toxins contain a variety of powerful neurotoxins, called pompilidotoxin (PMTX), which stimulate nerves. For most people, stinging can cause slight pain and swelling, and allergic people may have serious reactions.

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Scientific Classification