The intro links to the article on bee stings, but bee venom is apitoxin, and the apitoxin article makes no mention of formic acid. I suppose formic acid is more likely to be found in wasp stings, wasps and ants being closely related. But ”wasp sting” currently redirects to the bee sting article, which to me seems questionable despite claims there that some erroneously refer to wasp stings as ”bee stings”. This is such a complicated mess outside my expertise that I don’t dare touch it, but I wish someone more knowledgeable would rectify or clarify the relationships between these topics (articles).