[{"data":1,"prerenderedAt":483},["ShallowReactive",2],{"glossary_en:\u002Fslovar\u002Fimago":3,"alt-locale:glossary_en:\u002Fslovar\u002Fimago":270,"section-listing:disabled":293,"related-covers:en:":294,"section-listing:glossary_en:\u002Fslovar":295,"related-covers:en:\u002Fslovar\u002Fkukolka|\u002Fslovar\u002Fmetamorfoz|\u002Fslovar\u002Feklozia|\u002Fentsiklopediya\u002Fzhiznennyj-tsikl":477},{"id":4,"title":5,"body":6,"coverImage":264,"description":265,"extension":266,"faq":267,"imagePrompt":268,"meta":269,"navigation":270,"order":267,"pageType":252,"path":271,"publishedAt":272,"readingMinutes":273,"relatedLinks":274,"seo":287,"sitemap":290,"stem":291,"tags":267,"updatedAt":267,"__hash__":292},"glossary_en\u002Fslovar\u002Fimago.md","Imago",{"type":7,"value":8,"toc":254},"minimark",[9,14,26,43,47,53,59,65,71,82,86,93,121,127,131,134,161,168,172,179,232,235,239,246],[10,11,13],"h2",{"id":12},"definition","Definition",[15,16,17,20,21,25],"p",{},[18,19,5],"strong",{}," (Latin ",[22,23,24],"em",{},"imago"," — image, likeness, reflection) is the adult, sexually mature insect that has completed the full developmental cycle. For butterflies: the familiar flying butterfly with spread wings.",[15,27,28,29,34,35,39,40,42],{},"Imago is the last of four stages of ",[30,31,33],"a",{"href":32},"\u002Fen\u002Fslovar\u002Fmetamorfoz","complete metamorphosis",": egg → caterpillar → ",[30,36,38],{"href":37},"\u002Fen\u002Fslovar\u002Fkukolka","pupa"," → ",[18,41,24],{},".",[10,44,46],{"id":45},"traits-of-imago-in-butterflies","Traits of imago in butterflies",[15,48,49,52],{},[18,50,51],{},"Spread wings capable of flight."," Wings are covered with scales — hence the order name Lepidoptera, “scale-winged.” The pattern of scales is unique to each species and is used for identification.",[15,54,55,58],{},[18,56,57],{},"Compound eyes."," Imago eyes consist of thousands of facets, providing a wide field of view and detection of polarized light.",[15,60,61,64],{},[18,62,63],{},"Proboscis."," In most species — a spirally coiled sucking mouthpart for feeding on nectar and other liquids. In some species the proboscis is rudimentary or absent.",[15,66,67,70],{},[18,68,69],{},"Reproductive organs."," Imago is the only stage capable of reproduction. The adult butterfly's biological task: find a mate, mate, and (in the female) lay eggs.",[15,72,73,76,77,81],{},[18,74,75],{},"Three pairs of legs."," As in most insects. Exception — ",[30,78,80],{"href":79},"\u002Fen\u002Fsemeystva\u002Fnimfalidy","nymphalids",": the front pair is reduced and not used for walking, so they may appear to have four legs.",[10,83,85],{"id":84},"how-imago-emerges-from-the-pupa","How imago emerges from the pupa",[15,87,88,89,92],{},"Emergence of the adult from the pupa is called ",[18,90,91],{},"eclosion",". It is one of the most vulnerable moments in a butterfly's life.",[94,95,96,103,109,115],"ol",{},[97,98,99,102],"li",{},[18,100,101],{},"Rupture of the shell."," The insect begins to move inside the pupa. Hemolymph pressure (the insect “blood” analog) rises, and the shell splits along special weakened lines — usually on the head or along the back.",[97,104,105,108],{},[18,106,107],{},"Emergence."," The butterfly pulls out its body and legs and grips the pupal shell or a nearby surface.",[97,110,111,114],{},[18,112,113],{},"Wing expansion."," The newly emerged butterfly's wings are crumpled and soft. It actively pumps hemolymph through the wing veins — they unfold and increase in size. This takes from 20 minutes to several hours.",[97,116,117,120],{},[18,118,119],{},"Hardening."," When the wings reach full size, they begin to harden — sclerotization. The chitinous covering becomes stiff. After this the butterfly is ready for its first flight.",[15,122,123,126],{},[18,124,125],{},"Important:"," do not touch the butterfly at this stage — if the wings do not expand and harden in time, they remain deformed permanently.",[10,128,130],{"id":129},"duration-of-the-imago-stage","Duration of the imago stage",[15,132,133],{},"Imago lives much less than the caterpillar or pupa stage in most species. The range is huge:",[135,136,137,143,149,155],"ul",{},[97,138,139,142],{},[18,140,141],{},"2–5 days"," — some small nocturnal species without a functional mouthpart",[97,144,145,148],{},[18,146,147],{},"2–4 weeks"," — most summer species (large white, many fritillaries, blues)",[97,150,151,154],{},[18,152,153],{},"6–8 months"," — monarch (migratory generation)",[97,156,157,160],{},[18,158,159],{},"up to 12 months"," — brimstone, overwintering as adult",[15,162,163,164,42],{},"More detail — in the article ",[30,165,167],{"href":166},"\u002Fen\u002Fzhizn-babochek\u002Fskolko-zhivut-babochki","how long butterflies live",[10,169,171],{"id":170},"imago-and-caterpillar-different-tasks","Imago and caterpillar: different tasks",[15,173,174,175,178],{},"The larva (caterpillar) and imago occupy ",[18,176,177],{},"different ecological niches",":",[180,181,182,201],"table",{},[183,184,185],"thead",{},[186,187,188,192,195,198],"tr",{},[189,190,191],"th",{},"Stage",[189,193,194],{},"Task",[189,196,197],{},"Food",[189,199,200],{},"Mobility",[202,203,204,219],"tbody",{},[186,205,206,210,213,216],{},[207,208,209],"td",{},"Caterpillar",[207,211,212],{},"Growth, storage",[207,214,215],{},"Leaves of host plant",[207,217,218],{},"Low mobility",[186,220,221,223,226,229],{},[207,222,5],{},[207,224,225],{},"Reproduction, dispersal",[207,227,228],{},"Nectar, fruit sap, mineral water",[207,230,231],{},"Active flight",[15,233,234],{},"Thanks to this division, caterpillar and adult do not compete for food and can use completely different environmental resources.",[10,236,238],{"id":237},"imago-in-different-insect-groups","Imago in different insect groups",[15,240,241,242,245],{},"The term “imago” applies to all insects with complete metamorphosis: beetles, flies, bees, wasps. In insects with incomplete metamorphosis (grasshoppers, bugs, dragonflies) the last stage is not a pupa but a ",[18,243,244],{},"nymph",", and the adult is also imago, but the transition is gradual.",[15,247,248,249,253],{},"The full glossary is in the ",[30,250,252],{"href":251},"\u002Fen\u002Fslovar","glossary"," section.",{"title":255,"searchDepth":256,"depth":256,"links":257},"",2,[258,259,260,261,262,263],{"id":12,"depth":256,"text":13},{"id":45,"depth":256,"text":46},{"id":84,"depth":256,"text":85},{"id":129,"depth":256,"text":130},{"id":170,"depth":256,"text":171},{"id":237,"depth":256,"text":238},"\u002Fimages\u002Fslovar\u002Fimago.jpg","Imago is the adult, sexually mature stage of an insect with fully formed wings. The final phase of complete metamorphosis.","md",null,"Photorealistic nature photo, freshly emerged Papilio machaon imago — adult butterfly hanging from empty chrysalis case, wings still soft and expanding, morning dew on wings, first moments of adult life, warm backlight, 16:9",{},true,"\u002Fslovar\u002Fimago","01.05.2026",1,[275,278,281,284],{"label":276,"path":277},"Pupa","\u002Fslovar\u002Fkukolka",{"label":279,"path":280},"Metamorphosis","\u002Fslovar\u002Fmetamorfoz",{"label":282,"path":283},"Eclosion","\u002Fslovar\u002Feklozia",{"label":285,"path":286},"Butterfly life cycle","\u002Fentsiklopediya\u002Fzhiznennyj-tsikl",{"title":288,"description":289},"Imago — what it is, butterfly developmental stage","Imago — the adult insect, final stage of metamorphosis. How a butterfly emerges from the pupa, how it expands its wings, and how long imago lives.",{"loc":271},"slovar\u002Fimago","BMx1UnOITyLKbiLc5mYFRzsRje5-5IL2-DZx9tOlRoo",[],[],[296,301,306,312,317,321,326,331,336,341,344,349,355,360,365,366,371,376,379,384,389,394,399,404,409,414,419,424,429,432,437,443,449,455,460,465,471],{"title":297,"description":298,"path":299,"coverImage":300,"publishedAt":272,"order":267},"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":302,"description":303,"path":304,"coverImage":305,"publishedAt":272,"order":267},"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":307,"description":308,"path":309,"coverImage":310,"publishedAt":311,"order":267},"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":313,"description":314,"path":315,"coverImage":316,"publishedAt":272,"order":267},"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":209,"description":318,"path":319,"coverImage":320,"publishedAt":272,"order":267},"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":322,"description":323,"path":324,"coverImage":325,"publishedAt":272,"order":267},"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":327,"description":328,"path":329,"coverImage":330,"publishedAt":272,"order":267},"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":332,"description":333,"path":334,"coverImage":335,"publishedAt":272,"order":267},"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":337,"description":338,"path":339,"coverImage":340,"publishedAt":272,"order":267},"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":282,"description":342,"path":283,"coverImage":343,"publishedAt":272,"order":267},"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.","\u002Fimages\u002Fslovar\u002Feklozia.jpg",{"title":345,"description":346,"path":347,"coverImage":348,"publishedAt":272,"order":267},"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":350,"description":351,"path":352,"coverImage":353,"publishedAt":354,"order":267},"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":356,"description":357,"path":358,"coverImage":359,"publishedAt":272,"order":267},"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":361,"description":362,"path":363,"coverImage":364,"publishedAt":272,"order":267},"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":5,"description":265,"path":271,"coverImage":264,"publishedAt":272,"order":267},{"title":367,"description":368,"path":369,"coverImage":370,"publishedAt":272,"order":267},"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":372,"description":373,"path":374,"coverImage":375,"publishedAt":272,"order":267},"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":279,"description":377,"path":280,"coverImage":378,"publishedAt":272,"order":267},"Metamorphosis is complete transformation of an insect passing through four developmental stages: egg, larva (caterpillar), pupa, and adult (imago).","\u002Fimages\u002Fslovar\u002Fmetamorfoz.jpg",{"title":380,"description":381,"path":382,"coverImage":383,"publishedAt":272,"order":267},"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":385,"description":386,"path":387,"coverImage":388,"publishedAt":272,"order":267},"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":390,"description":391,"path":392,"coverImage":393,"publishedAt":272,"order":267},"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":395,"description":396,"path":397,"coverImage":398,"publishedAt":272,"order":267},"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":400,"description":401,"path":402,"coverImage":403,"publishedAt":272,"order":267},"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":405,"description":406,"path":407,"coverImage":408,"publishedAt":272,"order":267},"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":410,"description":411,"path":412,"coverImage":413,"publishedAt":272,"order":267},"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":415,"description":416,"path":417,"coverImage":418,"publishedAt":272,"order":267},"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":420,"description":421,"path":422,"coverImage":423,"publishedAt":272,"order":267},"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":425,"description":426,"path":427,"coverImage":428,"publishedAt":272,"order":267},"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":276,"description":430,"path":277,"coverImage":431,"publishedAt":272,"order":267},"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":433,"description":434,"path":435,"coverImage":436,"publishedAt":272,"order":267},"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":438,"description":439,"path":440,"coverImage":441,"publishedAt":442,"order":267},"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":444,"description":445,"path":446,"coverImage":447,"publishedAt":448,"order":267},"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":450,"description":451,"path":452,"coverImage":453,"publishedAt":454,"order":267},"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":456,"description":457,"path":458,"coverImage":459,"publishedAt":272,"order":267},"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":461,"description":462,"path":463,"coverImage":464,"publishedAt":272,"order":267},"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":466,"description":467,"path":468,"coverImage":469,"publishedAt":470,"order":267},"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":472,"description":473,"path":474,"coverImage":475,"publishedAt":476,"order":267},"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",[478,479,480,481],{"label":276,"path":277,"coverImage":431,"latinName":267},{"label":279,"path":280,"coverImage":378,"latinName":267},{"label":282,"path":283,"coverImage":343,"latinName":267},{"label":285,"path":286,"coverImage":482,"latinName":267},"\u002Fimages\u002Fentsiklopediya\u002Fzhiznennyj-tsikl.png",1787125907646]