These likely serve to lure insects into a precarious position over the pitcher mouth, where they may lose their footing and fall into the fluid within.

Trappers from the North of China use lighted candles to lure insects into their traps.

A pheromone trap is a type of insect trap that uses pheromones to lure insects.

Mr. Saunders's version is called Catch and Pinch, a device that uses a chemical attractant to lure specific flying insects.

One reasons that orchids are so diverse is the sheer evolutionary pressure to lure insects in.

By contrast, angiosperms evolved a dazzling array of seductive traits like flowers and nectar to lure insects, birds and bats.

The ones in the picture are Pitcher plants that lure insects in and then drown them.

The flower is intended to lure insects into the bush, where they get eaten.

More than 300 different odors can lure insects to traps, he said.

Still other orchids lure insects with pure deceit, mimicking nectar-bearing flowers without bothering to produce any of the fluid.