וְכֹל֙ שֶׁ֣רֶץ הָע֔וֹף טָמֵ֥א ה֖וּא לָכֶ֑ם לֹ֖א יֵאָכֵֽלוּ׃
И все крылатые рои нечисты для вас; они не должны быть съедены.
Makkot
[If one eats] a hornet, he gets six malkus [two for insects + three for land insects and one for flying insects] because of the verse (Deuteronomy 14,19) "that swarm in the air".
Makkot
Rav Achai says, One who holds back his bodily functions transgresses the verses (Leviticus 20, 25) "Do not makes yourself abominable" Rav Bivi bar Abaye said, A person who drinks from a bloodletter's tube transgresses the prohibition of "do not make yourself abominable".