Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 176
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 176, with English translation by Maimonides (Rambam).
שלא לאכול שרץ הארץ, שנאמר "וכל השרץ, השורץ על הארץ--שקץ הוא, לא ייאכל" (ויקרא יא,מא).
Not to eat insects that breed on land, as [Leviticus 11:41] states: "Every insect that creeps upon the earth must be regarded as detestable. It may not be eaten."