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Orthoptera: Difference between revisions
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The abdomen is cylindrical shape with tergites (dorsally over lapping plates) and sternites (ventral plates). End of dorsal and ventral valves make an ovipositor which is used to lay the eggs into the ground. It acts as guiding laying the eggs. Male katydids and meadow grasshoppers has projecting cerci. The crickets have long cerci. The ovipositors have three types: cylindrical, projecting, and flattened and sharply upturned. The true crickets have cylindrical ovipositors. The katydids have projecting and flattened and sharply upturned types of the ovipositor. [http://www.ndsu.nodak.edu/entomology/hopper/anatomy.htm] | The abdomen is cylindrical shape with tergites (dorsally over lapping plates) and sternites (ventral plates). End of dorsal and ventral valves make an ovipositor which is used to lay the eggs into the ground. It acts as guiding laying the eggs. Male katydids and meadow grasshoppers has projecting cerci. The crickets have long cerci. The ovipositors have three types: cylindrical, projecting, and flattened and sharply upturned. The true crickets have cylindrical ovipositors. The katydids have projecting and flattened and sharply upturned types of the ovipositor. [http://www.ndsu.nodak.edu/entomology/hopper/anatomy.htm] | ||
== Reproduction == | == Reproduction == | ||
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After a few weeks or months, larvae hatch. Some species guard their eggs, but some species do not. Mole crickets lay their eggs in a special chamber and protect the eggs to prevent from spoiling. The larvae look like the adult insects, but they have undeveloped wings and reproductive organs. They do not go through pupa stages, but they develop by molting six to ten times to become the adult insects. [http://animals.jrank.org/pages/2369/Grasshoppers-Crickets-Katydids-Orthoptera-BEHAVIOR-REPRODUCTION.html] | After a few weeks or months, larvae hatch. Some species guard their eggs, but some species do not. Mole crickets lay their eggs in a special chamber and protect the eggs to prevent from spoiling. The larvae look like the adult insects, but they have undeveloped wings and reproductive organs. They do not go through pupa stages, but they develop by molting six to ten times to become the adult insects. [http://animals.jrank.org/pages/2369/Grasshoppers-Crickets-Katydids-Orthoptera-BEHAVIOR-REPRODUCTION.html] | ||
== Ecology == | == Ecology == | ||
[[Image:Shield-Backed Katydid.jpg|thumb|150px|left|Shield-backed katydid (camouflage)]] | [[Image:Shield-Backed Katydid.jpg|thumb|150px|left|Shield-backed katydid (camouflage)]] | ||
The Orthoptera insects are easily seen from everywhere. Most of the Orthoptera and the grasshoppers are found in grasslands and forests. Scaley crickets are found on sea shores. Camel crickets are found in caves. Schistocerca gregaria (desert locust) is found from desert. Mole crickets are found in | The Orthoptera insects are easily seen from everywhere. Most of the Orthoptera and the grasshoppers are found in grasslands and forests. Scaley crickets are found on sea shores. Camel crickets are found in caves. Schistocerca gregaria (desert locust) is found from desert. Mole crickets are found in underground. Ant crickets are found from ant’ nests. Turks ground hoppers live only on alpine stream gravel banks. Some species live under the water. Most Orthoptera are herbivorous (eating vegetable), but some of are omnivorous (eating animal and vegetable). Oak bush crickets, green grasshoppers, and mole crickets are carnivores (eating animal). [http://www.earthlife.net/insects/orthopta.html] | ||
== Behavior == | == Behavior == | ||
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</gallery> | </gallery> | ||
== | == References == | ||
* [http://www.earthlife.net/insects/orthopta.html Grasshoppers and Crickets (Orthoptera)] The Earth Life | * [http://www.earthlife.net/insects/orthopta.html Grasshoppers and Crickets (Orthoptera)] The Earth Life | ||
* [http://www.ndsu.nodak.edu/entomology/hopper/anatomy.htm Anatomy of a Grasshopper] North Dakota State University | * [http://www.ndsu.nodak.edu/entomology/hopper/anatomy.htm Anatomy of a Grasshopper] North Dakota State University | ||
