[{"data":1,"prerenderedAt":340},["ShallowReactive",2],{"glossary_en:\u002Fslovar\u002Feklozia":3,"alt-locale:glossary_en:\u002Fslovar\u002Feklozia":124,"section-listing:disabled":149,"related-covers:en:":150,"section-listing:glossary_en:\u002Fslovar":151,"related-covers:en:\u002Fslovar\u002Fkukolka|\u002Fslovar\u002Fmetamorfoz|\u002Fslovar\u002Fimago|\u002Fentsiklopediya\u002Fzhiznennyj-tsikl":334},{"id":4,"title":5,"body":6,"coverImage":112,"description":113,"extension":114,"faq":115,"imagePrompt":122,"meta":123,"navigation":124,"order":125,"pageType":126,"path":127,"publishedAt":128,"readingMinutes":129,"relatedLinks":130,"seo":143,"sitemap":146,"stem":147,"tags":125,"updatedAt":125,"__hash__":148},"glossary_en\u002Fslovar\u002Feklozia.md","Eclosion",{"type":7,"value":8,"toc":104},"minimark",[9,14,37,41,47,53,59,65,71,75,82,85,89,96],[10,11,13],"h2",{"id":12},"definition","Definition",[15,16,17,20,21,25,26,31,32,36],"p",{},[18,19,5],"strong",{}," (from French ",[22,23,24],"em",{},"éclosion"," — hatching) is the emergence of an adult insect from the pupa. For butterflies, it is the moment when ",[27,28,30],"a",{"href":29},"\u002Fen\u002Fslovar\u002Fmetamorfoz","metamorphosis"," is completed: a winged ",[27,33,35],{"href":34},"\u002Fen\u002Fslovar\u002Fimago","imago"," appears from an immobile pupa.",[10,38,40],{"id":39},"how-eclosion-happens","How eclosion happens",[15,42,43,46],{},[18,44,45],{},"1. Preparation."," A few hours before eclosion, the pupal shell becomes transparent — the folded wings of the future butterfly show through. This is a reliable sign that emergence is near.",[15,48,49,52],{},[18,50,51],{},"2. Rupture of the shell."," Pressure of hemolymph in the insect's body rises sharply. The pupal shell splits along special lines of weakness — most often at the head and thorax.",[15,54,55,58],{},[18,56,57],{},"3. Emergence."," The butterfly extends its legs, grips a support, and pulls out its abdomen. The wings are heavily crumpled and soft — not yet fit for flight.",[15,60,61,64],{},[18,62,63],{},"4. Wing expansion."," The butterfly actively pumps hemolymph through the wing veins. The wings unfold and grow to normal size. The process takes from 20 minutes to 3 hours depending on species and temperature.",[15,66,67,70],{},[18,68,69],{},"5. Sclerotization."," The chitinous covering hardens. The butterfly is ready for its first flight.",[10,72,74],{"id":73},"what-not-to-do-during-eclosion","What not to do during eclosion",[15,76,77,78,81],{},"The main rule: ",[18,79,80],{},"do not touch the butterfly until the wings have expanded and hardened",". If you pick it up too early or it falls, the wings will set in a deformed position — and that cannot be corrected.",[15,83,84],{},"Artificially speeding eclosion (heat, moisture) is also risky: the butterfly may emerge too early and die.",[10,86,88],{"id":87},"timing-of-eclosion","Timing of eclosion",[15,90,91,92,95],{},"Most species emerge from the pupa in the ",[18,93,94],{},"morning hours"," — this improves the chance of wing expansion at optimal temperature and relative humidity. Experiments show that the moment of eclosion is controlled by internal biological clocks.",[15,97,98,99,103],{},"More on developmental stages — in the article ",[27,100,102],{"href":101},"\u002Fen\u002Fentsiklopediya\u002Fzhiznennyj-tsikl","life cycle",".",{"title":105,"searchDepth":106,"depth":106,"links":107},"",2,[108,109,110,111],{"id":12,"depth":106,"text":13},{"id":39,"depth":106,"text":40},{"id":73,"depth":106,"text":74},{"id":87,"depth":106,"text":88},"\u002Fimages\u002Fslovar\u002Feklozia.jpg","Eclosion is the emergence of an adult butterfly from the pupa. One of the most vulnerable and striking moments in the life cycle of lepidopterans.","md",[116,119],{"q":117,"a":118},"What is eclosion in butterflies?","Eclosion is the emergence of an adult insect from the pupa (or from the egg at other stages). In butterflies it refers to the moment when imago breaks the pupal shell and comes out.",{"q":120,"a":121},"How long does eclosion take?","Emerging from the pupa takes from a few minutes to half an hour. But the butterfly then needs another 1–3 hours to expand and dry its wings — that is also part of the process, and it must not be touched during this time.","Photorealistic macro photo, butterfly eclosion moment — Papilio machaon adult emerging from chrysalis, wings still crumpled and wet, hanging from empty pupa case, morning dew, golden backlight, dramatic life moment, 16:9",{},true,null,"glossary","\u002Fslovar\u002Feklozia","01.05.2026",1,[131,134,137,140],{"label":132,"path":133},"Pupa","\u002Fslovar\u002Fkukolka",{"label":135,"path":136},"Metamorphosis","\u002Fslovar\u002Fmetamorfoz",{"label":138,"path":139},"Imago","\u002Fslovar\u002Fimago",{"label":141,"path":142},"Butterfly life cycle","\u002Fentsiklopediya\u002Fzhiznennyj-tsikl",{"title":144,"description":145},"Butterfly eclosion — emerging from the pupa, stages, what not to do","Eclosion — a butterfly emerging from the pupa. How it happens, how long wing expansion takes, and why you must not touch the butterfly at this time.",{"loc":127},"slovar\u002Feklozia","LeyH2pKJDfz_ZgRgTJRZcntgxDDNzJ6EiYYxXsM8vBs",[],[],[152,157,162,168,173,178,183,188,193,198,199,204,210,215,220,223,228,233,236,241,246,251,256,261,266,271,276,281,286,289,294,300,306,312,317,322,328],{"title":153,"description":154,"path":155,"coverImage":156,"publishedAt":128,"order":125},"Antenna","Butterfly antennae are paired sensory organs on the head, used to detect odors, pheromones, and vibrations. Their shape is a key identification trait.","\u002Fslovar\u002Fantenna","\u002Fimages\u002Fslovar\u002Fantenna.png",{"title":158,"description":159,"path":160,"coverImage":161,"publishedAt":128,"order":125},"Aposematism","Aposematism is warning coloration in toxic or unpalatable butterflies. Bright colors signal danger to predators and protect the species from being eaten.","\u002Fslovar\u002Faposematizm","\u002Fimages\u002Fslovar\u002Faposematizm.png",{"title":163,"description":164,"path":165,"coverImage":166,"publishedAt":167,"order":125},"Batesian Mimicry","Batesian mimicry is when a harmless species evolves to resemble a toxic or dangerous one, borrowing its predator-deterrent reputation without the actual defense.","\u002Fslovar\u002Fbatezovskaya-mimikriya","\u002Fimages\u002Fslovar\u002Fbatezovskaya-mimikriya.png","25.07.2026",{"title":169,"description":170,"path":171,"coverImage":172,"publishedAt":128,"order":125},"Biotope","A biotope is a uniform habitat patch with specific conditions, home to a characteristic community. Each butterfly species prefers its own biotope.","\u002Fslovar\u002Fbiotop","\u002Fimages\u002Fslovar\u002Fbiotop.png",{"title":174,"description":175,"path":176,"coverImage":177,"publishedAt":128,"order":125},"Caterpillar","The caterpillar is the larval stage of a butterfly, whose main task is to eat and grow — accumulating about 99% of the energy needed for transformation.","\u002Fslovar\u002Fgusenica","\u002Fimages\u002Fslovar\u002Fgusenica.jpg",{"title":179,"description":180,"path":181,"coverImage":182,"publishedAt":128,"order":125},"Chitin","Chitin is the main structural polymer of insect integument. The hard external skeleton of butterflies, wing scales, and caterpillar armor are made of chitin.","\u002Fslovar\u002Fkhitin","\u002Fimages\u002Fslovar\u002Fkhitin.jpg",{"title":184,"description":185,"path":186,"coverImage":187,"publishedAt":128,"order":125},"Chrysalis","A chrysalis is a butterfly pupa with a hard chitinous case, often with a golden or silvery sheen. Inside, the organism is completely rebuilt.","\u002Fslovar\u002Fkhrizalida","\u002Fimages\u002Fslovar\u002Fkhrizalida.jpg",{"title":189,"description":190,"path":191,"coverImage":192,"publishedAt":128,"order":125},"Diapause","Diapause is a state of physiological rest in insects that allows survival of an unfavorable season. In butterflies, it can occur at any developmental stage.","\u002Fslovar\u002Fdiapauza","\u002Fimages\u002Fslovar\u002Fdiapauza.png",{"title":194,"description":195,"path":196,"coverImage":197,"publishedAt":128,"order":125},"Dimorphism","Dimorphism is the existence of two distinct forms within one species. In butterflies, males and females of the same species can differ sharply in coloration.","\u002Fslovar\u002Fdimorfizm","\u002Fimages\u002Fslovar\u002Fdimorfizm.jpg",{"title":5,"description":113,"path":127,"coverImage":112,"publishedAt":128,"order":125},{"title":200,"description":201,"path":202,"coverImage":203,"publishedAt":128,"order":125},"Endemic","An endemic is a species that lives only in a specific geographic region and nowhere else. Islands and mountains are the main centers of butterfly endemism.","\u002Fslovar\u002Fendemik","\u002Fimages\u002Fslovar\u002Fendemik.jpg",{"title":205,"description":206,"path":207,"coverImage":208,"publishedAt":209,"order":125},"Eyespots","Eyespots are circular wing markings that mimic a vertebrate eye, used by butterflies either to startle predators or to redirect attacks away from vital body parts.","\u002Fslovar\u002Flozhnye-glazki","\u002Fimages\u002Fslovar\u002Flozhnye-glazki.png","13.08.2026",{"title":211,"description":212,"path":213,"coverImage":214,"publishedAt":128,"order":125},"Holometabolism","Holometabolism is a type of insect development with complete metamorphosis: egg → larva → pupa → imago. All butterflies develop by this type.","\u002Fslovar\u002Fgolometaboliya","\u002Fimages\u002Fslovar\u002Fgolometaboliya.jpg",{"title":216,"description":217,"path":218,"coverImage":219,"publishedAt":128,"order":125},"Host plant","A host plant is a plant whose leaves a caterpillar of a given butterfly species feeds on. Most species are strictly specialized on 1–3 host plants.","\u002Fslovar\u002Fkormovoe-rastenie","\u002Fimages\u002Fslovar\u002Fkormovoe-rastenie.jpg",{"title":138,"description":221,"path":139,"coverImage":222,"publishedAt":128,"order":125},"Imago is the adult, sexually mature stage of an insect with fully formed wings. The final phase of complete metamorphosis.","\u002Fimages\u002Fslovar\u002Fimago.jpg",{"title":224,"description":225,"path":226,"coverImage":227,"publishedAt":128,"order":125},"Lepidoptera","Lepidoptera is the order of scale-winged insects, including butterflies and moths. The name means “scale-winged”: wings are covered with microscopic scales.","\u002Fslovar\u002Flepidoptera","\u002Fimages\u002Fslovar\u002Flepidoptera.jpg",{"title":229,"description":230,"path":231,"coverImage":232,"publishedAt":128,"order":125},"Melanism","Melanism is excess accumulation of dark pigment melanin, causing darkened coloration. Industrial melanism in the peppered moth is a classic evolution example.","\u002Fslovar\u002Fmelanizm","\u002Fimages\u002Fslovar\u002Fmelanizm.jpg",{"title":135,"description":234,"path":136,"coverImage":235,"publishedAt":128,"order":125},"Metamorphosis is complete transformation of an insect passing through four developmental stages: egg, larva (caterpillar), pupa, and adult (imago).","\u002Fimages\u002Fslovar\u002Fmetamorfoz.jpg",{"title":237,"description":238,"path":239,"coverImage":240,"publishedAt":128,"order":125},"Migration","Butterfly migration is seasonal movement over long distances. The record holder is the monarch, at up to 4,500 km; red admirals and painted ladies also migrate.","\u002Fslovar\u002Fmigraciya","\u002Fimages\u002Fslovar\u002Fmigraciya.jpg",{"title":242,"description":243,"path":244,"coverImage":245,"publishedAt":128,"order":125},"Mimicry","Mimicry in butterflies is resemblance to other species or objects for protection from predators. Batesian and Müllerian mimicry, with examples.","\u002Fslovar\u002Fmimikriya","\u002Fimages\u002Fslovar\u002Fmimikriya.jpg",{"title":247,"description":248,"path":249,"coverImage":250,"publishedAt":128,"order":125},"Monophage","A monophage is a species whose caterpillars feed on only one species or genus of plant. Monophagy makes a butterfly vulnerable if that plant disappears.","\u002Fslovar\u002Fmonofag","\u002Fimages\u002Fslovar\u002Fmonofag.jpg",{"title":252,"description":253,"path":254,"coverImage":255,"publishedAt":128,"order":125},"Nectar","Nectar is the sweet secretion of flowers and the main energy source for adult butterflies, which drink it through the proboscis and carry pollen too.","\u002Fslovar\u002Fnektar","\u002Fimages\u002Fslovar\u002Fnektar.jpg",{"title":257,"description":258,"path":259,"coverImage":260,"publishedAt":128,"order":125},"Oviposition","Oviposition is egg-laying by a female butterfly, who carefully chooses a host plant, tapping leaves with her legs, and lays eggs on the underside.","\u002Fslovar\u002Fovipozitsiya","\u002Fimages\u002Fslovar\u002Fovipozitsiya.jpg",{"title":262,"description":263,"path":264,"coverImage":265,"publishedAt":128,"order":125},"Pheromones","Butterfly pheromones are chemical signals for attracting mates, marking territory, and communication. Males and females release different pheromones.","\u002Fslovar\u002Fferomon","\u002Fimages\u002Fslovar\u002Fferomon.jpg",{"title":267,"description":268,"path":269,"coverImage":270,"publishedAt":128,"order":125},"Pollination","Pollination is transfer of pollen from anther to stigma. Butterflies are important pollinators: they move pollen between flowers while feeding on nectar.","\u002Fslovar\u002Fopylenie","\u002Fimages\u002Fslovar\u002Fopylenie.jpg",{"title":272,"description":273,"path":274,"coverImage":275,"publishedAt":128,"order":125},"Polyphagy","Polyphagy is the ability to feed on a wide range of plants. Polyphagous caterpillars are less vulnerable when one host plant species is lost than monophages.","\u002Fslovar\u002Fpolifagiya","\u002Fimages\u002Fslovar\u002Fpolifagiya.jpg",{"title":277,"description":278,"path":279,"coverImage":280,"publishedAt":128,"order":125},"Proboscis","The proboscis is the mouthpart of an adult butterfly, shaped as a flexible tube for sucking nectar and other liquids. At rest it is coiled in a spiral.","\u002Fslovar\u002Fkhobotok","\u002Fimages\u002Fslovar\u002Fkhobotok.jpg",{"title":282,"description":283,"path":284,"coverImage":285,"publishedAt":128,"order":125},"Puddling","Puddling in butterflies is behavior where insects gather on damp soil, puddles, or droppings to obtain mineral salts and amino acids.","\u002Fslovar\u002Fpudling","\u002Fimages\u002Fslovar\u002Fpudling.jpg",{"title":132,"description":287,"path":133,"coverImage":288,"publishedAt":128,"order":125},"The pupa is the third stage of complete metamorphosis, when the caterpillar transforms into a butterfly — outwardly still, but rebuilding within.","\u002Fimages\u002Fslovar\u002Fkukolka.jpg",{"title":290,"description":291,"path":292,"coverImage":293,"publishedAt":128,"order":125},"Range","Range is the geographic area within which a given butterfly species lives. Ranges may be continuous, fragmented, expanding, or shrinking.","\u002Fslovar\u002Fareal","\u002Fimages\u002Fslovar\u002Fareal.png",{"title":295,"description":296,"path":297,"coverImage":298,"publishedAt":299,"order":125},"Reintroduction","Reintroduction is the deliberate release of captive-bred or translocated individuals into a habitat where a species has gone locally extinct, aiming to re-establish a self-sustaining wild population.","\u002Fslovar\u002Freintroduktsiya","\u002Fimages\u002Fslovar\u002Freintroduktsiya.png","22.07.2026",{"title":301,"description":302,"path":303,"coverImage":304,"publishedAt":305,"order":125},"Relict Species","A relict species is a survivor of a once-widespread group whose range has contracted to isolated pockets — often mountaintops or glacial refuges — left over after past climate change.","\u002Fslovar\u002Freliktovyi-vid","\u002Fimages\u002Fslovar\u002Freliktovyi-vid.png","01.08.2026",{"title":307,"description":308,"path":309,"coverImage":310,"publishedAt":311,"order":125},"Stenotopic Species","A stenotopic species tolerates only a narrow range of habitat conditions, unlike a eurytopic generalist that thrives across many different environments.","\u002Fslovar\u002Fstenotopnyi-vid","\u002Fimages\u002Fslovar\u002Fstenotopnyi-vid.png","07.08.2026",{"title":313,"description":314,"path":315,"coverImage":316,"publishedAt":128,"order":125},"Taxonomy","Taxonomy is the science of classifying organisms. Butterflies belong to order Lepidoptera; taxonomy explains why the tortoiseshell is a nymphalid, not a blue.","\u002Fslovar\u002Ftaksonomiya","\u002Fimages\u002Fslovar\u002Ftaksonomiya.jpg",{"title":318,"description":319,"path":320,"coverImage":321,"publishedAt":128,"order":125},"Thermoregulation","Thermoregulation in butterflies is maintaining working body temperature. Unable to generate heat, they warm up in sun, wings spread like solar panels.","\u002Fslovar\u002Ftermoregulyatsiya","\u002Fimages\u002Fslovar\u002Ftermoregulyatsiya.jpg",{"title":323,"description":324,"path":325,"coverImage":326,"publishedAt":327,"order":125},"Toxin Sequestration","Toxin sequestration is when a caterpillar stores plant-derived toxins from its host plant unchanged in its own tissues, turning the plant's chemical defense into its own.","\u002Fslovar\u002Fsekvestraciya-toksinov","\u002Fimages\u002Fslovar\u002Fsekvestraciya-toksinov.png","19.08.2026",{"title":329,"description":330,"path":331,"coverImage":332,"publishedAt":333,"order":125},"Wing Venation","Wing venation is the pattern of hollow, rigid veins that forms a butterfly wing's supporting framework — its precise layout is a key character for identification and classification.","\u002Fslovar\u002Fzhilkovanie-kryla","\u002Fimages\u002Fslovar\u002Fzhilkovanie-kryla.png","27.07.2026",[335,336,337,338],{"label":132,"path":133,"coverImage":288,"latinName":125},{"label":135,"path":136,"coverImage":235,"latinName":125},{"label":138,"path":139,"coverImage":222,"latinName":125},{"label":141,"path":142,"coverImage":339,"latinName":125},"\u002Fimages\u002Fentsiklopediya\u002Fzhiznennyj-tsikl.png",1787125907597]