The Venus flytrap is a carnivorous plant well known for its ability to lure insects (and arachnids) into its “capture organ.” Once they enter there is no escape. ... Venus flytraps tend to live in nutrient-poor soil, which is why they rely on insects to help them survive.

Do Venus flytraps need insects?

Although flytraps are carnivorous, they can go long periods (a month or two) without eating insects. If you grow them outdoors, they'll get enough to eat naturally. If you're growing Venus flytrap indoors, you'll have to feed them bugs periodically.

Why do carnivorous plants eat insects?

Q: Why do carnivorous plants eat insects? ... Most plants absorb nutrients through their roots from nutrient-rich soil. Since carnivorous plants grow in nutrient-poor areas they eat insects to get the nutrients they need.