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Shedding of the exoskeleton in arthropods and other invertebrates
it difficult to identify an individual if it has recently undergone ecdysis. Ecdysis allows damaged tissue and missing limbs to be regenerated or substantially
Ecdysis
Topics referred to by the same term
Look up ecdysis in Wiktionary, the free dictionary. Ecdysis is the moulting of the exoskeleton in arthropods and other animals. Ecdysis may also refer
Ecdysis_(disambiguation)
Last stage in an insect's metamorphosis
final ecdysis of the immature instars. In a member of the Ametabola or Hemimetabola, species in which metamorphosis is "incomplete", the final ecdysis follows
Imago
2005 studio album by Miho Hatori
what I was doing in Cibo Matto. Ecdysis was an honest word to describe what I was feeling as it evolved. — Hatori "Ecdysis" – 4:26 "A Song for Kids" – 3:30
Ecdysis_(album)
Biological kingdom
The protostomes include the Ecdysozoa, named after their shared trait of ecdysis, growth by moulting, Among the largest ecdysozoan phyla are the arthropods
Animal
Profound change in body structure during the postembryonic development of an organism
secrete a second hormone, usually ecdysone (an ecdysteroid), that induces ecdysis (shedding of the exoskeleton). PTTH also stimulates the corpora allata
Metamorphosis
Process by which an animal routinely casts off a part of its body
organism grow. This process is called ecdysis. Most Arthropoda with soft, flexible skins also undergo ecdysis. Ecdysis permits metamorphosis, the sometimes
Moulting
Phylum of invertebrates with jointed exoskeletons
growth. Arthropods, therefore, replace their exoskeletons by undergoing ecdysis (moulting), or shedding the old exoskeleton, the exuviae, after growing
Arthropod
British virtual band
Bananaz. HanWay Films (2008) Berman, Stuart (11 January 2007). "Miho Hatori: Ecdysis Album Review". Pitchfork. Archived from the original on 3 October 2023
Gorillaz
Erotic dance
country. H. L. Mencken is credited with coining the word ecdysiast – from "ecdysis", meaning "to molt" – in response to a request from striptease artist Georgia
Striptease
2025 studio album by Deftones
Nathan Yarborough – engineering Clemente Ruiz – additional engineering on "Ecdysis" Lipshutz, Jason (July 10, 2025). "Deftones Announce New Album Private
Private_Music_(album)
Individual organism that has not yet reached its adult form
Some organisms reach sexual maturity in a short metamorphosis, such as ecdysis in many insects and some other arthropods. For others, the transition from
Juvenile_(organism)
Superphylum of protostomes
Ecdysozoa is supported by many morphological characters, including growth by ecdysis, with moulting of the cuticle – without mitosis in the epidermis – under
Ecdysozoa
without being exposed to the environmental elements. After apolysis, ecdysis occurs. Ecdysis is the actual emergence of the arthropod into the environment and
Apolysis
Developmental stage of arthropods between moults
stage of arthropods, such as insects, which occurs between each moult (ecdysis) until sexual maturity is reached. Arthropods must shed the exoskeleton
Instar
Insect life stage
Jin, Lin; Li, Guo‐Qing (2026). "Phase‐Resolved Pupal Ecdysis Behavior and Requirement of Ecdysis‐Triggering Hormone in Henosepilachna vigintioctomaculata"
Pupa
Species of snake
require two or three significant prey items throughout an entire season. Ecdysis occurs at least once during the active season. As the outer skin wears
Grass_snake
Part of arthropods
into a period of time when the exoskeleton is shed, called moulting or ecdysis, which is under the control of a hormone called ecdysone. Moulting is a
Arthropod_exoskeleton
Japanese singer and musician
performs solo under her own name and various monikers. Her first solo album, Ecdysis, was released in Japan in 2005, coming two years later to the American
Miho_Hatori
Part of the anatomy of the eye in some animals
cannot be distinguished, except when the animal is becoming ready for ecdysis. At that time, it becomes cloudy and is visible as a cover over the eye
Brille
Species of snake
require two or three significant prey items throughout an entire season. Ecdysis occurs at least once during the active season. As the outer skin wears
Barred_grass_snake
Juvenile form of distinct animals before metamorphosis
resembles the adult in Ephemeroptera Instar, intermediate between each ecdysis Pupa and chrysalis, intermediate stages between larva and imago (the adult
Larva
Superfamily of crustaceans (Paguroidea)
days to complete. There are 4 stages to molting: intermolt, proecdysis, ecdysis, and postedysis. Intermolt is the time between molts where a hermit crab
Hermit_crab
Raptorial winged insects
breathing air, then climbs up a reed or other emergent plant, and moults (ecdysis). Anchoring itself firmly in a vertical position with its claws, its exoskeleton
Dragonfly
Australian contemporary dance company
and guest artists from Taiwan – ECDysis". Living Arts Canberra. 6 September 2025. Retrieved 14 December 2025. "ECDysis. Mirramu Dance Company and guests
Mirramu_Dance_Company
Species of insect
placed on the major vein of a leaf and the larva undergoes apolysis, then ecdysis (molting), leaving the old exoskeleton behind. Sometimes the shed exoskeleton
Luna_moth
Ancestral origin theory
ancestor. The Articulata hypothesis is an alternative to the hypothesis that ecdysis (the shedding of outer cuticle) is a primitive characteristic – this would
Articulata_(superphylum)
Genus of spiders
instar and seven to 12 of these can occur depending on food availability. Ecdysis, the shedding of the exoskeleton, occurs through the formation of a soft
Nephila
Limbless, scaly, elongate reptile
circumference of its body.[page needed] The shedding of scales is called ecdysis (or in normal usage, molting or sloughing). Snakes shed the complete outer
Snake
Musical artist
Sebastian Steinberg as part of the backing band on Miho Hatori's 2005 album Ecdysis. He has toured with Low, John Scofield, and David Byrne on the Songs of
Mark_Degli_Antoni
Scales covering the skin of snakes
may take place between day and night. The shedding of scales is called ecdysis, or, in normal usage moulting or sloughing. In the case of snakes, the
Snake_scale
Species of cricket-like animal
bubble on the forelimb Close-Up of a Tettigonia viridissima Female during ecdysis (molting) Tettigonia viridissima eating a butterfly Tettigonia viridissima
Tettigonia_viridissima
Type of insect that feeds on human blood
advance to the next stage of development. They shed their skins through ecdysis at each stage, discarding their outer exoskeleton. Newly hatched nymphs
Bed_bug
Odoriferous defensive structure
no qualitative change of osmeterial secretion occurs at the last larval ecdysis. This group can be designated as 'homogeneous type', which is further subdivisible
Osmeterium
Performance artist
substances of our lives becomes so urgent." In her photo essay/series Spic Ecdysis (2014) published and featured on the cover of Women and Performance Journal
Xandra_Ibarra
Species of cockroach
progress through six or seven instars before becoming sexually mature, but ecdysis is such a hazardous process that nearly half the nymphs die of natural
German_cockroach
American electronica band
reviews. On January 18, 2022, the band released the non-album single "Ecdysis!", available for digital download only. For the album's accompanying tour
Darkside_(band)
Family of crabs
no strong linea homolica along which the exoskeleton breaks open during ecdysis. The family comprises two genera, Dicranodromia, which has 18 species,
Homolodromiidae
American death metal band
style which has been compared with that of Death. The band's 2014 album Ecdysis and more recent albums have received critical acclaim from major publications
Horrendous
Morphological phenomenon in insects
be the result of the female arresting development at earlier stages of ecdysis than males. The female may not pupate at all, as in Xenos vesparum. Typically
Larviform_female
Species of spider
pinks, like many invertebrates, regularly moult out of their old skin (ecdysis). Like most tarantulas, they will lie on their back and force themselves
Lasiodora_parahybana
Genus of praying mantises
houseflies and fruit flies. Males develop into adults after undergoing ecdysis about seven times into successive instars, while females mature after about
Idolomantis
Class of extinct, Paleozoic arthropods
body to pieces of the exoskeleton, which it shed in the process known as ecdysis. In addition, the tracks left behind by trilobites living on the sea floor
Trilobite
External skeleton of an organism
exoskeleton, like that found in panarthropods, must be shed via moulting (ecdysis) when the animal starts to outgrow it. A new exoskeleton is produced beneath
Exoskeleton
Chemical compound
or 20E) is a naturally occurring ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods. It is therefore one of the
20-Hydroxyecdysone
American chronobiologist
which mediates moth ecdysis. He demonstrated that injecting eclosion hormone (EH) into moths elicits a stereotyped sequence of ecdysis behaviors. In future
James_W._Truman
Insects of the order Blattodea
A cockroach soon after ecdysis
Cockroach
material, such as wool by cloths moths, or snakes eating their own skin after ecdysis. Lepidophagy: eating fish scales Molluscivore: eating molluscs Mucophagy:
List_of_feeding_behaviours
Group of steroid hormones
are arthropod steroid hormones that are mainly responsible for molting (ecdysis), development and, to a lesser extent, reproduction; examples of ecdysteroids
Ecdysteroid
Soft, siliceous sedimentary rock
will work to some degree on the vast majority of animals that undergo ecdysis in shedding cuticle, such as arthropods or nematodes. It also may have
Diatomaceous_earth
Species of beetle
Walter Bates in 1872. It is known from Guatemala and Mexico. "Ecdysis - Phaea semirufa". ecdysis.org. Retrieved 2025-11-09. BioLib.cz - Phaea semirufa. Retrieved
Phaea_semirufa
Class of fungi
only on adult hosts; apparently immature arthropods eliminate them during ecdysis (adult arthropods no longer molt). Some thallus-forming species are dioecious
Laboulbeniomycetes
Animals without a vertebral column
Despite being internal, the tracheae of arthropods are shed during moulting (ecdysis). Only vertebrate animals have ears, though many invertebrates detect sound
Invertebrate
Moldovan metal band
(2010–2023) Asylum (2011) Embrace Eternity (2014) 86 (2017) Endorphin (2019) Ecdysis (2022) TIME (2024) The Devil's Dozen (2023) Judgemental Trap (2009) Demo
Infected_Rain
Seals" (CD)". Metal Underground. September 22, 2008. "Infected Rain – Ecdysis". Blabbermouth.net. January 5, 2022. Retrieved December 28, 2022. Torreano
List_of_nu_metal_bands
Part of the body that forms the supporting structure
exoskeletons that encase their bodies, and have to undergo periodic moulting or ecdysis as the animals grow. The shells of molluscs are another form of exoskeleton
Skeleton
Species of tick
stage completes a blood meal on a particular host before dropping off and ecdysis) that have been found on a variety of domesticated species such as camels
Amblyomma_variegatum
Form of jointed appendage of arthropods
(though they have internal rudiments that emerge as adult legs at the final ecdysis). Examples include the maggots of flies or grubs of weevils. In contrast
Arthropod_leg
Species of desert beetle
Guide. Iowa State University. Retrieved 19 December 2025. "Ecdysis - Eleodes scabrosa". ecdysis.org. Retrieved 19 December 2025. "Eleodes scabrosa | Taxonomy
Eleodes_scabrosa
Genetic trait in Drosophila
(melanin) on a lighter tan background (sclerotin). During pre-and post-ecdysis, the epidermal cells underlying the cuticle secrete tyrosine-derived catecholamines
Abdominal pigmentation in Drosophila melanogaster
Abdominal_pigmentation_in_Drosophila_melanogaster
Order of arthropods
in the order. As adults, isopods differ from other crustaceans in that ecdysis occurs in two stages known as "biphasic moulting"; first they shed the
Isopoda
Species of moth
and undergoes apolysis, then after an additional day or so, undergoes ecdysis. The larva emerges from its old exoskeleton, puffs up, and hardens as it
Eacles_imperialis
Musical artist
2020: Lena Scissorhands’s Lyric Book, created by Vidick "INFECTED RAIN - Ecdysis". Blabbermouth.net. 2022-01-05. Retrieved 2022-12-28. Cordova, Daniel (2022-01-07)
Lena_Scissorhands
Class of arthropods
Sensitivity to drought varies from species to species and increases during ecdysis. Given that springtails moult repeatedly during their entire life (an ancestral
Springtail
Species of cockroach
diurnal and arboreal, with the ability to climb smooth surfaces. After ecdysis, they do not consume their old exoskeleton. The females gestate their young
Corydidarum_magnifica
she undergoes ecdysis, in which she sheds her skin and becomes more powerful. Her power continuously grows each day after her first ecdysis. She also experiences
List of Dragon Half characters
List_of_Dragon_Half_characters
Species of cockroach
After hatching, the nymphs feed and undergo a series of 13 moultings (or ecdysis). Adult cockroaches can live up to an additional year, during which females
American_cockroach
Species of spider
1st instar spiders remain in the cocoon for 24-28 days until ecdysis begins. After ecdysis, the second instar spiders leave the cocoon. After leaving the
Trite_auricoma
Species of spider
likely to aid in it. In order to grow, theraphosid species must undergo ecdysis (shedding the exoskeleton). Tarantulas moult periodically throughout their
Psalmopoeus_irminia
Musical artist
LOVE, MUSIC AND DANCE (2021) "Blank Paper" on Tags of the Times (1997) "Ecdysis" on Tags of the Times Version 2.0 (1998) "Monster!" on Catacombs (1999)
Shing02
British entomologist (1899–1994)
Physiology, etc. London: Methuen. Wigglesworth, V.B. (1934). "The physiology of ecdysis in Rhodnius prolixus (Hemiptera). II Factors controlling moulting and metamorphosis"
Vincent_Wigglesworth
Outermost layer of the epidermis
and is replaced only during times of rapid growth, in a process called ecdysis or moulting. This is conferred by the presence of beta-keratin, which provides
Stratum_corneum
Class of animals
Dysecdysis, a common skin disease in snakes and lizards, will occur when ecdysis, or shedding, fails. There are numerous reasons why shedding fails and
Reptile
Species of crustacean
pre-copulatory pairs are often initiated around a week before parturial ecdysis because the male wants to monopolize copulations of the female. If a pre-copulatory
Idotea_balthica
— — — RIAA: Platinum "Locked Club" 2025 — — 33 — 17 40 Private Music "Ecdysis" — — 31 — 15 37 "Infinite Source" 3 2 15 16 9 18 "Souvenir" — — 35 — —
Deftones_discography
Species of arachnid
fades into adulthood. These developments happen each time it undergoes ecdysis in order to grow. The sexes are indistinguishable by color, right up until
Psalmopoeus_pulcher
Family of insects
the fifth abdominal tergite above the glands inside. During the final ecdysis, the anatomy is rearranged and the glands end up in the metathorax, opening
Coreidae
Australian musician
Pasadena in 2024. In February that year, she released her fourth album, Ecdysis, composed entirely of instrumental songs. Later that same year she produced
Zoè_Zanias
Species of praying mantis
Adult female, recently gone through ecdysis Female molting to adult Adult female that has recently gone through ecdysis with her wings still not finished
Miomantis_binotata
Species of insect
feeding and growth. Torpor sets in at a temperature of 13 °C, and at 11 °C, ecdysis stops. Nymphs are much more sensitive to cold: at a temperature of 1 °C
Ctenolepisma_longicaudatum
Species of moth
genus Datura. M. sexta has five larval instars, which are separated by ecdysis (molting), but may add larval instars when nutrient conditions are poor
Manduca_sexta
Extinct suborder of trilobites
headshield, which in other trilobites assist the periodic moulting (or ecdysis), associated with arthropod growth. Some derived trilobites have lost facial
Olenellina
Species of tardigrade
complete, the larva tardigrade attempts to find an ideal location to initiate ecdysis. Some eggs may be left in the discarded exuvia. Tardigrades have been shown
Milnesium_tardigradum
Species of spider
is between 10 and 13 mm, while the female is 12 to 15 mm. After final ecdysis, the male spiders weigh on average 54 mg and females 68 mg. The prosoma
Pisaura_mirabilis
Retrieved October 23, 2020. Berman, Stuart (January 11, 2007). "Mito Hatori: Ecdysis". Pitchfork. Retrieved November 27, 2018. Alisoglu, Scott (December 5,
List_of_2005_albums
Cartilaginous tube
arthropods are lined with cuticular tissue and are shed during moulting (ecdysis). Trachea (mammal) cross-section high resolution Trachea (mammal) cross-section
Trachea
Species of beetle
excelsior, Alnus viridis, Alnus glutinosa and on coniferous trees. Larva Pupa Ecdysis, imago emerging from pupa. The colours will change, when the ladybird hardens
Halyzia_sedecimguttata
sexually developed, eight-legged adult. Between each stage is a molt (ecdysis), which enables the developing tick to expand within a new external skeleton
Ticks_of_domestic_animals
Slovenian biologist (1868–1947)
hibernation, the development of pigment under different conditions, and ecdysis. Regen's largest project was a so-called "geobiological laboratory", a
Ivan_Regen
Phylum of invertebrate animals
stacked elements, like Russian nesting dolls. The outermost is shed during ecdysis, which exposes the next element, which is fully formed and so does not
Onychophora
Species of butterfly
these differences are associated with the colouration of the 4th larval ecdysis. "Some pupae are coloured like rough bark, others are uniformly green."
Papilio_protenor
Genus of wasps
needed] Ovipositing females also inject venom in the host which prevents ecdysis (moulting), thus allowing the larvae and coccoons to remain attached to
Euplectrus
Species of mosquito
heavier dry body weights and promoted developmental synchronization in ecdysis and greater likelihood of migration at emergence. Males and females mosquitoes
Aedes_taeniorhynchus
Class of marine arthropods
regenerating their legs, or being distasteful via high levels of ecdysteroids (ecdysis hormone). In Pycnogonum litorale, the juveniles can regrow their posterior
Sea_spider
Species of spider
to months at a time. Fasting is sometimes an indication of an upcoming ecdysis (moult). G. rosea is usually skittish, running away from danger rather
Chilean_rose_tarantula
Suborder of prawns
the time of ecdysis (moulting), probably because of the softness of the mouthparts, and must eat more than usual to compensate, once ecdysis is complete
Dendrobranchiata
Species of beetle
are contributing factors to the alterations of epithelial layers after ecdysis. T. dichotomaus are well known for their male aggressive behavior. Males
Japanese_rhinoceros_beetle
Species of crustacean
[citation needed] Crabs must periodically molt to grow; this process is called ecdysis. Molting has the ability to regenerate lost limbs, although they will be
Dungeness_crab
Short story collection by Lee Battersby
(previously unpublished) Letters to Josie A Stone to Mark My Passing Vortle Ecdysis A Very Good Lawyer Goodfellow Stalag Hollywood (previously unpublished)
Through_Soft_Air
British entomologist (1912–1977)
in which the insect has produced a new exoskeleton in preparation for ecdysis but is still enclosed in the remnants of the old one. He was an early proponent
H._E._Hinton
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