Learn Russian: Пчёлам не из чего делать мёд, когда сад не цветёт. - The bees have nothing to make honey from when the garden is not blooming.

When a negative pronoun like нечего is used with a preposition, the preposition physically splits the word and goes right after the не- prefix. Instead of из нечего, it becomes a three-word phrase: не из чего.

Could I use ни из чего instead of не из чего here?

No, they have different meanings and grammar. не из чего is an independent predicate meaning there is nothing available to do something, and it always takes the stress on не. ни из чего is used to emphasize a regular negated verb. If you used it, you would need a Nominative subject and a negated finite verb: Пчёлы не делают мёд ни из чего (The bees do not make honey out of anything).

Why is the word for bees (пчёлам) in the Dative case rather than the Nominative case (пчёлы)?

Structures using нечего or не из чего are impersonal, meaning there is no grammatical Nominative subject. The logical subject—the person or thing experiencing the lack of something—must be in the Dative case. Literally, the sentence translates as: To the bees, there is nothing out of which to make honey.

Why is the verb делать in the infinitive form?

Predicative negative pronouns like не из чего are always followed by an infinitive. They inherently express that there is no possibility, person, or material to perform an action. Here, it pairs with делать to mean there is nothing from which to make honey.