Question

how does pitcher plant trap insects​

Answer 1

Carnivorous pitcher plants of the genus Nepenthes capture prey with a pitfall trap that relies on a micro-structured, slippery surface. The upper pitcher rim (peristome) is fully wettable and causes insects to slip by aquaplaning on a thin water film.

Answer 2

Answer:

Foraging, flying, or crawling insects such as flies are attracted to a cavity formed by the cupped leaf, often by visual lures such as anthocyanin pigments, and nectar. The rim of the pitcher (peristome) is slippery when moistened by condensation or nectar, causing insects to fall into the trap.

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