Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 175
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 175, with English translation by Maimonides (Rambam).
שלא לאכול שרץ העוף, שנאמר "כול שרץ העוף, טמא הוא לכם" (דברים יד,יט).
Not to eat flying insects, as [Deuteronomy 14:19] states: "Every flying insect [that is] not-kosher for you shall not be eaten."