Definition & Meaning of "water locust"

What is a "water locust"?

A water locust is a small insect that is adapted for life on the water's surface. With long, slender legs that allow it to walk on water, the water locust skates effortlessly across ponds and streams in search of prey. Its body is streamlined and equipped with hydrophobic hairs that repel water, keeping it buoyant. The water locust feeds on small insects and other aquatic organisms, using its sharp mouthparts to pierce and suck out their fluids. It is a fascinating insect to observe, gracefully gliding and capturing its prey in its watery habitat.