Parashas Mishpatim · Passuk 23:28
Chabad.org — English translation + Rashi
Torah Temimah points to Sotah 36a (verified).
Sefaria — Exodus 23:28
Sefaria — Sotah 36a
E-Daf — Sotah 36a
English: It was taught: The hornet did not cross with Israel. Rabbi Shimon ben Lakish explains that it stood at the Jordan and cast poison at the Canaanites, blinding them above and castrating them below. Rav Pappa says there were two hornets: one associated with Moshe, which did not cross, and one associated with Yehoshua, which did.
On the daf / in context: See the cited source for the full section.
Derash on the verse.