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).
Common name: Water scorpions
(water stick insects)
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.
Water scorpions Insect Photos Gallery