As a person who grows a few Venus flytraps, the traps exude a sweet nectar along the inner upper edge. Flies another insects are attracted to that, and the color red, eat some nectar, hit the trigger hairs, the leaves snap shut in a few microseconds, and they are trapped. They’re struggles after that are necessary for the leaf to fully close and form the hermetic stomach for digestion.
As a person who grows a few Venus flytraps, the traps exude a sweet nectar along the inner upper edge. Flies another insects are attracted to that, and the color red, eat some nectar, hit the trigger hairs, the leaves snap shut in a few microseconds, and they are trapped. They’re struggles after that are necessary for the leaf to fully close and form the hermetic stomach for digestion.