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have particularly long cerci while other insects have cerci that are too small to be noticeable. However, it is not always obvious that small cerci are without function; they are rich in sensory cells and may be of importance in guiding copulation and
79:, the cerci originate from the eleventh abdominal segment. As segment eleven is reduced or absent in the majority of arthropods, in such cases, the cerci emerge from the tenth abdominal segment. It is not clear that other structures so named are
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155:, cerci play important sensory roles. They have been shown to be sensitive to puffs of air and low-frequency vibration, and thus trigger anti-predatory responses such as escape in response to certain predators. In
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do not. It is not clear how many of the
Dermaptera use their cerci for anything but defense, but some definitely feed on prey caught with the cerci, much as the
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Two forms of
Diplura, illustrating cerci with sensory glandular function, as contrasted with forcipate forms of cerci used in predation
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Imms' General
Textbook of Entomology: Volume 1: Structure, Physiology and Development Volume 2: Classification and Biology
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Tiegs, O. W. (1 March 1945). "Memoirs: The Post-Embryonic
Development of Hanseniella Agilis (Symphyla)".
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Most cerci are segmented and jointed, or filiform (threadlike), but some take very different forms. Some
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413:"Species-Recognition in the Field Cricket, Teleogryllus oceanicus: Behavioral and Neural Mechanisms"
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64:. Many forms of cerci serve as sensory organs, but some serve as pinching weapons or as organs of
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114:, are well known for the forcipate cerci that most of them bear, though species in the suborders
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species, have large, stout forcipate (pincer-like) cerci that they use in capturing their prey.
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possess an accompanying third central tail filament which extends from the tip of the
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to nearly 1 kHz. It is worth noting that in crickets, higher-frequency sound such as
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on the primal insect form, a creature that may have resembled a
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or siphunculi that are sometimes mistaken for cerci but are not
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Paired appendages on the rear-most segments of many arthropods
411:
Hoy, Ronald R.; Pollack, Gerald S.; Moiseff, Andrew (1982).
291:, flanking the median cerciform appendage and paired stylets
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Short cerci on abdomen of a species of
Pamphagid grasshopper
159:, the range of frequency detection by the cerci spans from
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232:, cerci are thought to have evolved from what were
68:. In many insects, they simply may be functionless
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248:, worm-like with one pair of limbs for each
452:Grimaldi, David; Engel, Michael S. (2005).
52:usually on the rear-most segments of many
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358:. University of Minnesota. Archived from
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220:Like many insect body parts, including
386:Richards, O. W.; Davies, R.G. (1977).
171:bat calls are picked up by a separate
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87:they are associated with spinnerets.
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476:University of Sydney Biology Dept
198:and is not regarded as a cercus.
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151:In groups such as crickets and
456:. Cambridge University Press.
1:
352:"CERCI AND TERMINAL FILAMENT"
194:. This is referred to as the
75:In basal arthropods, such as
252:behind the head or anterior
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144:Cercus of an adult female
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527:Sensory organs in animals
335:10.1242/jcs.s2-85.338.191
454:Evolution of the Insects
329:. s2-85 (338): 191–328.
91:Morphology and functions
19:Not to be confused with
327:Journal of Cell Science
356:Entomological Glossary
285:Long sensory cerci on
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146:Gryllus pennsylvanicus
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33:with large cerci (top)
143:
29:
503:at Wikimedia Commons
430:10.1093/icb/22.3.597
390:. Berlin: Springer.
70:vestigial structures
362:on 25 February 2012
216:Evolutionary origin
481:2012-03-22 at the
417:American Zoologist
212:related to cerci.
149:
35:
499:Media related to
463:978-0-521-82149-0
196:terminal filament
186:, silverfish and
175:, not the cerci.
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532:Myriapod anatomy
517:Arachnid anatomy
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161:infrasonic sound
99:, in particular
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157:field crickets
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48:) are paired
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364:. Retrieved
360:the original
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288:Ctenolepisma
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165:stridulation
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56:, including
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238:velvet worm
153:cockroaches
135:oviposition
511:Categories
309:References
169:ultrasonic
120:Hemimerina
116:Arixeniina
108:Dermaptera
81:homologous
77:silverfish
66:copulation
62:symphylans
54:arthropods
50:appendages
246:centipede
242:Symphylan
222:mandibles
206:cornicles
188:diplurans
124:Japygidae
83:. In the
479:Archived
226:antennae
184:mayflies
182:such as
180:hexapods
130:Crickets
85:Symphyla
439:3882581
260:Gallery
250:segment
230:stylets
192:abdomen
112:earwigs
97:Diplura
58:insects
460:
437:
394:
366:3 June
202:Aphids
46:cercus
31:Earwig
21:circus
501:Cerci
435:JSTOR
254:tagma
244:or a
178:Some
110:, or
101:Japyx
38:Cerci
458:ISBN
392:ISBN
368:2014
234:legs
228:and
167:and
126:do.
118:and
106:The
60:and
425:doi
331:doi
42:sg.
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40:(
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