Sahih Muslim 5850
صحيح مسلم#5850SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:An Apostle from amongst the Apostles of Allah encamped under a tree, and an ant bit him, and he commanded his belongings to be removed from underneath the tree. He then commanded and it was burnt, and Allah revealed to bin):" Why one ant (which had bitten you) was not killed?
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 39:201