What Is The Life Cycle Of A Water Scorpion ?

What Is The Life Cycle Of A Water Scorpion ?

Water scorpions belong to order Hemiptera. These organisms are not real scorpions. They are named so because of the powerful grasping tendency of their forelimbs, which makes them partly resemble like a scorpion. They have 3 pairs of legs and are predominantly aquatic in nature. They have pair of wings as well.

They undergo an incomplete life cycle or metamorphosis. The eggs go through a process called molting several times. They become adults without going through the “pupal” stage. The males attract the females by producing a particular chirping type of sound. After mating, the females will lay around thirty eggs on water plants just beneath the surface of the water. The eggs have specialized structures called spiracle that help in respiration. The larvae take about one to two weeks to develop into adults.

These creatures are not great swimmers. They move very slowly and in fact have to take in oxygen from the atmosphere unlike other aquatic creatures, which make use of oxygen dissolved in water. They use their tail for this purpose. You will find water scorpions in shallow lakes and ponds. They generally hang head down from twigs and weeds. They walk very slowly, can swim for some time and crawl occasionally.

You can find two types of genera in North America, namely Nepa and Ranatra. The former are less than an inch long and are dark brown in color. They do not fly. The Ranatra species, on the other hand, are nearly 1.2 to 1.4 inches and can fly. They are predominantly pale beige in color.

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What Is The Life Cycle Of A Water Scorpion ?