Gourt > Science > Biology > Flora and Fauna > Animalia > Arthropoda > Insecta > Orthoptera
The Orthoptera are an order of insects with incomplete metamorphosis, including the grasshoppers, crickets and locusts. Many insects in this order produce sound (known as a "stridulation") by rubbing their wings against each other or their legs, the wings or legs containing rows of corrugated bumps. Their ears, located in the front legs, are interconnected in such a way that they are able to locate each other by sound.
Characteristics
Orthopterans have two pairs of wings, the forewings are narrower than the hind wings and hardened at the base. They are held overlapping the abdomen at rest. The hind wing is membranous and held folded fan-like under the forewings when at rest. They have mandibulate mouthparts, large compound eyes, antennae length varies with species. Their hind legs are enlarged for jumping.
Life cycle
Orthopterans develop by incomplete metamorphosis. Most orthopterans madona lay their eggs in the ground or on vegetation. The eggs hatch and the young nymphs resemble adults but lack wings and at this stage are often called hoppers. Through successive moults the nymphs develop wings buds until their final moult into a mature adult with fully developed wings. More on [ Orthoptera ]
Science News Molecular Phylogenetics of the Genus Neoconocephalus (Orthoptera, Tettigoniidae) and t.. http://bit.ly/5bexkx
sciencestage (ScienceStage) Thu, 03 Dec 2009 00:04:01 -0000
Science News Molecular Phylogenetics of the Genus Neoconocephalus (Orthoptera, Tettigoniidae) and t.. http://bit.ly/5bexkx
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