cicada

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cicada

(sĭkā`də), large, noise-producing insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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 of the order Homoptera, with a stout body, a wide, blunt head, protruding eyes, and two pairs of membranous wings. The front wings, which are longer than the rear pair, extend beyond the insect's abdomen. Male cicadas have platelike membranes on the thorax, which they vibrate like drum heads, producing a loud, shrill sound. Females of most species are mute. Characteristic songs are produced by members of different species; each also produces a noise indicating irritation, and some have special courtship songs.

There are about 2,000 cicada species distributed throughout the tropical and temperate regions of the world; they are most numerous in Asia and Australia. There are about 180 species in North America; adults of these species range from approximately 1 to 2 in. (2.5–5 cm) in length. The periodical cicadas (Magicicada species), found in the eastern half of the continent, have the longest known life cycles of any insect. Because of their periodic appearance they are often called locusts, although they are not related to true locustslocust,
in zoology, name for certain migratory members of the short-horned grasshopper family (Acrididae). Like other members of this family, locusts have antennae shorter than their bodies, song-producing organs on the forewings and hind legs, and hind legs well developed for
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.

Their life cycle takes 17 years in northern species (the so-called 17-year locusts) and 13 years in southern species; the two types overlap in parts of the United States. The female deposits her eggs in slits that she cuts in young twigs. In about six weeks the wingless, scaly larvae, or nymphs, drop from the tree and burrow into the ground, where they remain for 13 or 17 years, feeding on juices sucked from roots. The nymphs molt periodically as they grow; finally the full-grown nymphs emerge at night, climb tree trunks and fences, and shed their last larval skin. The winged adults, which generally emerge together in large numbers, live for about one week. Different broods mature at regular intervals, so that at least one colony is conspicuous in some part of the United States each year, and even in a given locality a brood may appear every few years.

Other North American cicadas (Tibicen species and others) are known as dog-day cicadas, or harvest flies, because the adults appear in late summer. Their life cycle is thought to be similar to that of the periodical cicadas, but in most species it is completed in two years.

Cicada larvae do little damage, but when adults appear in large numbers their egg-laying may damage young trees. Cicadas are sometimes kept for their song in Asia, as they were in ancient Greece. They are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Homoptera, family Cicadidae.

cicada

symbol of eternal life. [Chinese Folklore: Jobes, 338]

cicada

symbol of talkativeness because of its constant, strident noise. [Folklore: Jobes, 338]

cicada

, cicala
any large broad insect of the homopterous family Cicadidae, most common in warm regions. Cicadas have membranous wings and the males produce a high-pitched drone by vibration of a pair of drumlike abdominal organs
References in periodicals archive ?
Cicala, 50, a former pizzeria owner, accused Patrizia of plotting the murder.
Patrizia Reggiani Gucci, dubbed the Black Widow, made her first appearance at Italy's trial of the century to hear the damning testimony from her co-accused, Orazio Cicala.
Dubbed the "Black Widow", Patrizia Reggiani Gucci surprised the Milan court by attending the trial for the first time to hear Orazio Cicala testify that she paid him just over pounds 50,000 for his role in Gucci's murder in 1995.
Now he's accused, along with Patrizia, Pina Auriemma and the alleged killers, gunman Benedetto Ceraulo and getaway driver Orazio Cicala.
My Last Day Without You is an independent feature film produced by Cicala Filmworks and Silver Shepherd.
Roberto Cicala and Valerio Rossi: Bibliografia reboriana (2002).
The following works are in this dual-language collection: "Lettere alla gazza, alla cicala, al giaciglio"; "Il calvario delle gru"; "Poesie della blatta".
Cicala, 58, told a Milan court: "Reggiani came to my house and she talked big money.
Orazio Cicala's lawyer, Stefana Fiorentino, said her client will take the stand when the trial resumes on Tuesday, and she expected his testimony could poke serious holes in the defence of Gucci's ex-wife, Patrizia Reggiani Martinelli, who was arrested i n January 1997 along with Cicala and three other people and accused of arranging Gucci's murder.