[{"data":1,"prerenderedAt":320},["ShallowReactive",2],{"glossary_en:\u002Fslovar\u002Fkhitin":3,"alt-locale:glossary_en:\u002Fslovar\u002Fkhitin":107,"section-listing:disabled":129,"related-covers:en:":130,"section-listing:glossary_en:\u002Fslovar":131,"related-covers:en:\u002Fslovar\u002Fimago|\u002Fslovar\u002Fkukolka|\u002Fentsiklopediya\u002Fchto-takoe-babochki":315},{"id":4,"title":5,"body":6,"coverImage":95,"description":96,"extension":97,"faq":98,"imagePrompt":105,"meta":106,"navigation":107,"order":108,"pageType":109,"path":110,"publishedAt":111,"readingMinutes":112,"relatedLinks":113,"seo":123,"sitemap":126,"stem":127,"tags":108,"updatedAt":108,"__hash__":128},"glossary_en\u002Fslovar\u002Fkhitin.md","Chitin",{"type":7,"value":8,"toc":87},"minimark",[9,14,21,24,28,56,60,67,71,78],[10,11,13],"h2",{"id":12},"what-is-chitin","What is chitin",[15,16,17,20],"p",{},[18,19,5],"strong",{}," is a natural polymer from the polysaccharide group, the main building material of the external skeleton (exoskeleton) of insects, crustaceans, and fungi. Structurally it is close to cellulose but contains nitrogen — making it strong and light at the same time.",[15,22,23],{},"In butterflies, chitin is the main structural material of the body.",[10,25,27],{"id":26},"what-a-butterfly-is-made-of","What a butterfly is made of",[29,30,31,38,44,50],"ul",{},[32,33,34,37],"li",{},[18,35,36],{},"Exoskeleton"," — head, thorax, abdomen, legs: all hard body parts",[32,39,40,43],{},[18,41,42],{},"Wings"," — thin double chitinous plates with hollow veins inside",[32,45,46,49],{},[18,47,48],{},"Scales"," — modified chitinous hairs covering the wings (hence the order name Lepidoptera — scale-winged)",[32,51,52,55],{},[18,53,54],{},"Proboscis"," — a spirally coiled chitinous tube",[10,57,59],{"id":58},"chitin-and-wing-coloration","Chitin and wing coloration",[15,61,62,63,66],{},"Some wing pigments (melanins, flavonoids) are embedded directly in chitin of the scales. Other colors — especially blue and green — arise from ",[18,64,65],{},"nanostructures"," on the surface of chitinous scales that refract light (structural coloration).",[10,68,70],{"id":69},"chitin-and-caterpillar-molting","Chitin and caterpillar molting",[15,72,73,74,77],{},"The chitinous armor does not stretch. To grow, the caterpillar periodically ",[18,75,76],{},"molts"," — sheds the old chitinous layer and grows a new, larger one. Most caterpillars molt 4–5 times in life.",[15,79,80,81,86],{},"More on structure — in the article ",[82,83,85],"a",{"href":84},"\u002Fen\u002Fentsiklopediya\u002Fchto-takoe-babochki","what are butterflies",".",{"title":88,"searchDepth":89,"depth":89,"links":90},"",2,[91,92,93,94],{"id":12,"depth":89,"text":13},{"id":26,"depth":89,"text":27},{"id":58,"depth":89,"text":59},{"id":69,"depth":89,"text":70},"\u002Fimages\u002Fslovar\u002Fkhitin.jpg","Chitin is the main structural polymer of insect integument. The hard external skeleton of butterflies, wing scales, and caterpillar armor are made of chitin.","md",[99,102],{"q":100,"a":101},"What is chitin in butterflies?","Chitin is a tough polysaccharide that forms the external skeleton (exoskeleton) of insects. In butterflies it makes up the wings, legs, head, wing veins, and scales that create coloration.",{"q":103,"a":104},"What are butterfly wings made of?","Butterfly wings are thin chitinous plates traversed by hollow veins (also chitin). The wing surface is covered with tiny chitinous scales — they create color and pattern.","Photorealistic extreme macro, butterfly wing scale structure — overlapping chitin scales like roof tiles, iridescent surface texture, geometric microscopic beauty, electron microscope aesthetic, dark background, 16:9",{},true,null,"glossary","\u002Fslovar\u002Fkhitin","01.05.2026",1,[114,117,120],{"label":115,"path":116},"Imago","\u002Fslovar\u002Fimago",{"label":118,"path":119},"Pupa","\u002Fslovar\u002Fkukolka",{"label":121,"path":122},"What are butterflies","\u002Fentsiklopediya\u002Fchto-takoe-babochki",{"title":124,"description":125},"Chitin in butterflies — wings and scales","Chitin — structural material of butterfly integument. What wings, scales, and the insect exoskeleton are made of.",{"loc":110},"slovar\u002Fkhitin","vsVdxEuFSr0rHD7V4LDuEBNhIm5jirkQZsu6wzj-g34",[],[],[132,137,142,148,153,158,159,164,169,174,179,184,190,195,200,203,208,213,218,223,228,233,238,243,248,253,258,262,267,270,275,281,287,293,298,303,309],{"title":133,"description":134,"path":135,"coverImage":136,"publishedAt":111,"order":108},"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":138,"description":139,"path":140,"coverImage":141,"publishedAt":111,"order":108},"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":143,"description":144,"path":145,"coverImage":146,"publishedAt":147,"order":108},"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":149,"description":150,"path":151,"coverImage":152,"publishedAt":111,"order":108},"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":154,"description":155,"path":156,"coverImage":157,"publishedAt":111,"order":108},"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":5,"description":96,"path":110,"coverImage":95,"publishedAt":111,"order":108},{"title":160,"description":161,"path":162,"coverImage":163,"publishedAt":111,"order":108},"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":165,"description":166,"path":167,"coverImage":168,"publishedAt":111,"order":108},"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":170,"description":171,"path":172,"coverImage":173,"publishedAt":111,"order":108},"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":175,"description":176,"path":177,"coverImage":178,"publishedAt":111,"order":108},"Eclosion","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.","\u002Fslovar\u002Feklozia","\u002Fimages\u002Fslovar\u002Feklozia.jpg",{"title":180,"description":181,"path":182,"coverImage":183,"publishedAt":111,"order":108},"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":185,"description":186,"path":187,"coverImage":188,"publishedAt":189,"order":108},"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":191,"description":192,"path":193,"coverImage":194,"publishedAt":111,"order":108},"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":196,"description":197,"path":198,"coverImage":199,"publishedAt":111,"order":108},"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":115,"description":201,"path":116,"coverImage":202,"publishedAt":111,"order":108},"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":204,"description":205,"path":206,"coverImage":207,"publishedAt":111,"order":108},"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":209,"description":210,"path":211,"coverImage":212,"publishedAt":111,"order":108},"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":214,"description":215,"path":216,"coverImage":217,"publishedAt":111,"order":108},"Metamorphosis","Metamorphosis is complete transformation of an insect passing through four developmental stages: egg, larva (caterpillar), pupa, and adult (imago).","\u002Fslovar\u002Fmetamorfoz","\u002Fimages\u002Fslovar\u002Fmetamorfoz.jpg",{"title":219,"description":220,"path":221,"coverImage":222,"publishedAt":111,"order":108},"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":224,"description":225,"path":226,"coverImage":227,"publishedAt":111,"order":108},"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":229,"description":230,"path":231,"coverImage":232,"publishedAt":111,"order":108},"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":234,"description":235,"path":236,"coverImage":237,"publishedAt":111,"order":108},"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":239,"description":240,"path":241,"coverImage":242,"publishedAt":111,"order":108},"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":244,"description":245,"path":246,"coverImage":247,"publishedAt":111,"order":108},"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":249,"description":250,"path":251,"coverImage":252,"publishedAt":111,"order":108},"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":254,"description":255,"path":256,"coverImage":257,"publishedAt":111,"order":108},"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":54,"description":259,"path":260,"coverImage":261,"publishedAt":111,"order":108},"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":263,"description":264,"path":265,"coverImage":266,"publishedAt":111,"order":108},"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":118,"description":268,"path":119,"coverImage":269,"publishedAt":111,"order":108},"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":271,"description":272,"path":273,"coverImage":274,"publishedAt":111,"order":108},"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":276,"description":277,"path":278,"coverImage":279,"publishedAt":280,"order":108},"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":282,"description":283,"path":284,"coverImage":285,"publishedAt":286,"order":108},"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":288,"description":289,"path":290,"coverImage":291,"publishedAt":292,"order":108},"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":294,"description":295,"path":296,"coverImage":297,"publishedAt":111,"order":108},"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":299,"description":300,"path":301,"coverImage":302,"publishedAt":111,"order":108},"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":304,"description":305,"path":306,"coverImage":307,"publishedAt":308,"order":108},"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":310,"description":311,"path":312,"coverImage":313,"publishedAt":314,"order":108},"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",[316,317,318],{"label":115,"path":116,"coverImage":202,"latinName":108},{"label":118,"path":119,"coverImage":269,"latinName":108},{"label":121,"path":122,"coverImage":319,"latinName":108},"\u002Fimages\u002Fentsiklopediya\u002Fchto-takoe-babochki.png",1787125907654]