Water scorpions Insect Images

Water scorpions Insect

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The Water scorpions Insect water stick insect, Ranatra linearis, hangs from the surface by its breathing siphon and waits to catch prey such as water fleas with its front legs. It is not a good swimmer and mostly crawls among the weeds. Length (without siphon) 1 inch (2.5 cm).


Water scorpions Insect Images

Common name: Water scorpions

(water stick insects)

Family:  Nepidae

Suborder: Heteroptera


Class/ subphylum:Insecta Hexapoda

Number of species:About 200 (13 U.S.)

Size:From about 0.7 in (18 mm) to 2 in (5 cm)

Key features:Front legs adapted for grasping prey; body flattened and oval or long and sticklike; fully winged and capable of flight, a long, thin breathing tube extends from the hind end

Habits: Walk around on vegetation beneath the water hunting for prey may hang below surface with breathing tube just above surface, taking in air

Breeding: Eggs laid inside aquatic plants; males of some species use their front legs to grasp the female during mating

Diet:Insect larvae, tadpoles, and small crustaceans such water fleas


Habitat:still and slow – moving water of ponds, lakes, canals, and rivers


Distribution: Worldwide in suitable habitats, especially in tropical regions.

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