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Orthoptera: Difference between revisions
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Orthoptera are an order of insects. (Grasshoppers, crickets, and locusts are example insects of Orthoptera.) Phylum of the Orthoptera is Arthropoda, because they can be distinguish head, chest, and belly. Also, they are enclosed in outer covering skin. | Orthoptera are an order of insects. (Grasshoppers, crickets, and locusts are major example insects of Orthoptera.) Phylum of the Orthoptera is Arthropoda, because they can be distinguish to 3 parts: head, chest, and belly. Also, they are enclosed in outer covering skin. | ||
The Orthoptera produce | |||
The Orthoptera produce sounds by rubbing their wings or legs. (Usually, male Orthoptera make sounds to attract females during breeding time. Most time, females are silent.) The female Orthoptera hatch eggs in the ground and in plants. The Orthoptera are dioecious species (“two houses” in Greek). To produce the eggs, both male and female are needed and they need to breed together. They are hemimetabolous species. In other words, they do not have pupa stage, but they look like small adult. [http://www.earthlife.net/insects/orthopta.html] | |||
The Orthoptera have ears on front legs. Among the grasshoppers, locusts, and cricekts, they have small differences. The grasshoppers and locusts have short antennae, but the crickets have long antennae. [http://www.earthlife.net/insects/orthopta.html] | |||
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== Behavior == | == Behavior == | ||
The grasshoppers and wasp-mimicking katydid from Central America are active during day, while most of the crickets are active at night. The wasp-mimicking katydid is harmless insect. Even though it is named wasp, it does not look like a wasp. It lives in sunny places in rainforests. When night comes, wasp-mimicking katydid does not move much or moves slowly. (Because it has orange color body, it might be shown well at night.) [http://animals.jrank.org/pages/2369/Grasshoppers-Crickets-Katydids-Orthoptera-BEHAVIOR-REPRODUCTION.html] | |||
The grasshoppers and wasp-mimicking katydid from Central America are active during day, while most of the crickets are active at night. The wasp-mimicking katydid is harmless insect. Even though it is named wasp, it does not look like a wasp. It lives sunny places in rainforests. When night comes, wasp-mimicking katydid does not move much or | |||
The Orthoptera like to live themselves. There are exceptions. Sometimes the locusts or grasshoppers unite together as massive swarms. These kinds of swarms are disasters to farmers. | The Orthoptera like to live themselves. There are exceptions. Sometimes the locusts or grasshoppers unite together as massive swarms. These kinds of swarms are disasters to farmers. | ||
=== Swarms of | === Swarms of locusts === | ||
[[Image:Swarms of locust.jpg|170px|thumb|left|Swarms of locust]] | [[Image:Swarms of locust.jpg|170px|thumb|left|Swarms of locust]] | ||
The | The locusts destroy everything on their way, and they bring lots of damage to crop field during harvest time. They appear with thundering sound and cover the sky. When the locusts pass by crop field, everything is gone and nothing is left after the swarm of the locusts. Small swarm of locusts eat food about 2,500 people consumes food a day. Farmers try to prevent damages by the swarm of the locusts, but wiping out them is not easy work to the farmers. [http://www.alertnet.org/thenews/newsdesk/IRIN/8cf2ca21d2d637760cbbc98f6e1e13d5.htm] | ||
One of examples by the swarms of locusts was written in the Bible. Exodus 10:12-15 said, “''And the LORD said to Moses, 'Stretch out your hand over Egypt so that locusts will swarm over the land and devour everything growing in the fields, everything left by the hail.' So Moses stretched out his staff over Egypt, and the LORD made an east wind blow across the land all that day and all that night. By morning the wind had brought the locusts; they invaded all Egypt and settled down in every area of the country in great numbers. Never before had there been such a plague of locusts, nor will there ever be again. They covered all the ground until it was black. They devoured all that was left after the hail—everything growing in the fields and the fruit on the trees. Nothing green remained on tree or plant in all the land of Egypt.”'' | |||
== Edible Insect Orthoptera == | == Edible Insect Orthoptera == | ||
In this world, about | In this world, about 3,600 species are edible insects and the Orthoptera are one of the examples. The Orthoptera were eaten for food and medical use. (The grasshoppers, locusts, and crickets are the major edible insects from Orthoptera.). The grasshoppers have lots of proteins (about 64 percent of proteins), so they are very high nourishing meal. (Also, they contain lots of vitamin A, iron content, and Karyotin.) They conserve lots of nutrition that other food sources do not have, so they are good food for old people and growing children. Japanese people eat the grasshoppers and bee larvae with soy sauce, and those are favorite dish in Japan. | ||
[http://nationalzoo.si.edu/publications/zoogoer/2005/4/edibleinsects.cfm] | [http://nationalzoo.si.edu/publications/zoogoer/2005/4/edibleinsects.cfm] | ||
