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Toukkavaiheessa akvaattisia kaksisiipisiä.
Tämän pinkan tietokortti käsittelee toukkavaihetta.
Toukka on enintään noin 17 mm pituinen, vaalea tai harmahtava. Toukka on ohut ja pitkä, tikkumainen. Pää on pieni, mutta selvästi kitinisoitunut. Ruumis koostuu kolmesta keskiruumiin ja yhdeksästä takaruumiin jaokkeesta. Toukalla ei ole jalkoja tai jalakkeita (paitsi Culicoides-suvun ensimmäisen vaiheen toukilla). Polttiaisen toukat uivat tunnusomaisen käärmemäisesti kiemurrellen.
"}],"title":"Yleistä","group":"MX.SDVG1"},{"variables":[{"variable":"MX.lifeCycle","title":"Elinkierto","content":"Toukkavaiheita on neljä. Kotelovaihe kestää muutamia päiviä, ja aikuiset voivat kuoriutumisensa jälkeen elää jopa 1–2 kuukautta. Yksilönkehitys munasta aikuiseksi kestää ihanteellisissa olosuhteissa noin kuukauden.
Toukat ovat yleensä petoja, detrituksensyöjiä tai kasvinsyöjiä. Toukat ovat hyviä uimareita ja liikkuvat käärmemäisesti kiemurrellen.
Polttiaisen toukat ovat yleensä akvaattisia. Jotkin lajit viihtyvät kosteassa maaperässä tai jopa kuivalla maalla. Tavallisimmin toukkia esiintyy kuitenkin järvissä, lammissa ja pienemmissä vesistöissä sedimentin tai hiekan seassa. Jotkin toukat viihtyvät jopa suolaisessa vedessä.
Toukkavaiheessa akvaattisia kaksisiipisiä. Lajikortti käsittelee toukkavaihetta.Toukka on enintään noin 17 mm pituinen, vaalea tai harmahtava. Toukka on ohut ja pitkä, tikkumainen. Pää on pieni, mutta selvästi kitinisoitunut. Ruumis koostuu kolmesta keskiruumiin ja yhdeksästä takaruumiin jaokkeesta. Toukalla ei ole jalkoja tai jalakkeita (paitsi Culicoides-suvun ensimmäisen vaiheen toukilla). Polttiaisen toukat uivat tunnusomaisen käärmemäisesti kiemurrellen.
"}],"title":"Yleistä","group":"MX.SDVG1"},{"variables":[{"variable":"MX.lifeCycle","title":"Elinkierto","content":"Toukkavaiheita on neljä. Kotelovaihe kestää muutamia päiviä, ja aikuiset voivat kuoriutumisensa jälkeen elää jopa 1–2 kuukautta. Yksilönkehitys munasta aikuiseksi kestää ihanteellisissa olosuhteissa noin kuukauden.
"},{"variable":"MX.behaviour","title":"Elintavat","content":"Toukat ovat yleensä petoja, detrituksensyöjiä tai kasvinsyöjiä. Toukat ovat hyviä uimareita ja liikkuvat käärmemäisesti kiemurrellen.
"}],"title":"Elinkaari ja elintavat","group":"MX.SDVG4"},{"variables":[{"variable":"MX.habitat","title":"Elinympäristö","content":"Polttiaisen toukat ovat yleensä akvaattisia. Jotkin lajit viihtyvät kosteassa maaperässä tai jopa kuivalla maalla. Tavallisimmin toukkia esiintyy kuitenkin järvissä, lammissa ja pienemmissä vesistöissä sedimentin tai hiekan seassa. Jotkin toukat viihtyvät jopa suolaisessa vedessä.
"}],"title":"Ekologia","group":"MX.SDVG5"},{"variables":[{"variable":"MX.miscText","title":"Lisätiedot","content":"Ks. taksonomia ja levinneisyystiedot www.laji.fi.
"}],"title":"Lisätietoja","group":"MX.SDVG10"}],"id":"LA.432","title":"Pinkka oppimisympäristö: BIO-306 Saariston ekologia - Pohjaeläimet"}],"originalPublications":["MP.12235"],"informalTaxonGroups":["MVL.232","MVL.224","MVL.341"],"qname":"MX.253675","id":"MX.253675","scientificNameDisplayName":"Ceratopogonidae sp.","occurrenceCountInvasiveFinland":0,"habitatOccurrenceCounts":[{"habitat":{"fi":"aapamire, rich fen","sv":"aapamire, rich fen","en":"aapamire, rich fen"},"occurrenceCount":11,"id":"aapamire,richfen"},{"habitat":{"fi":"aapamire, flark fen","sv":"aapamire, flark fen","en":"aapamire, flark fen"},"occurrenceCount":10,"id":"aapamire,flarkfen"},{"habitat":{"fi":"Lähteikkö","sv":"Källa och källkärr","en":"Spring complex"},"occurrenceCount":9,"id":"http://tun.fi/my.habitatenumvalue25"},{"habitat":{"fi":"rich flark fen, rusty","sv":"rich flark fen, rusty","en":"rich flark fen, rusty"},"occurrenceCount":8,"id":"richflarkfen,rusty"},{"habitat":{"fi":"virtavesi","sv":"virtavesi","en":"virtavesi"},"occurrenceCount":8,"id":"virtavesi"},{"habitat":{"fi":"hirculus-letto","sv":"hirculus-letto","en":"hirculus-letto"},"occurrenceCount":5,"id":"hirculus-letto"},{"habitat":{"fi":"mättäinen puronvarsikorpi","sv":"mättäinen puronvarsikorpi","en":"mättäinen puronvarsikorpi"},"occurrenceCount":4,"id":"mättäinenpuronvarsikorpi"},{"habitat":{"fi":"vanha metsä","sv":"vanha metsä","en":"vanha metsä"},"occurrenceCount":3,"id":"vanhametsä"},{"habitat":{"fi":"a humid/wet place","sv":"a humid/wet place","en":"a humid/wet place"},"occurrenceCount":2,"id":"ahumid/wetplace"},{"habitat":{"fi":"kaatuneen männyn kaarnan alla","sv":"kaatuneen männyn kaarnan alla","en":"kaatuneen männyn kaarnan alla"},"occurrenceCount":2,"id":"kaatuneenmännynkaarnanalla"}],"sensitive":false,"autoNonWild":false,"redListEvaluationGroups":["MVL.1041","MVL.828","MVL.829","MVL.833"],"taxonExpert":["MA.34","MA.221"],"parentsIncludeSelf":["MX.37600","MX.53761","MX.37602","MX.37605","MX.37607","MX.37613","MX.43123","MX.253657","MX.253658","MX.253675"],"observationCountInvasiveFinland":0,"taxonomicOrder":41184,"hasBold":false,"parents":["MX.37600","MX.53761","MX.37602","MX.37605","MX.37607","MX.37613","MX.43123","MX.253657","MX.253658"],"countOfSpecies":137,"stableInFinland":false,"scientificNameAuthorship":"Newman, 1834","taxonRank":"MX.family","hiddenTaxon":false,"cursiveName":false,"vernacularName":"polttiaiset","hasMultimedia":true,"invasiveSpecies":false,"countOfFinnishSpecies":119,"nameAccordingTo":"MR.1","taxonEditor":["MA.34","MA.221"],"occurrenceCountFinland":14688,"taxonSets":["MX.taxonSetSykeMacrozoobenthos"],"nonHiddenParentsIncludeSelf":["MX.37600","MX.53761","MX.37602","MX.37605","MX.37607","MX.37613","MX.43123","MX.253657","MX.253658","MX.253675"],"observationCountFinland":14688,"occurrenceCount":15053,"finnishSpecies":false,"finnish":true,"multimedia":[{"copyrightOwner":"Erin Hayes-Pontius / Wikimedia Commons","author":"Erin Hayes-Pontius","fullURL":"https://image.laji.fi/MM.102602/Ceratopogonidae.jpg","largeURL":"https://image.laji.fi/MM.102602/Ceratopogonidae.jpg","source":"default","squareThumbnailURL":"https://image.laji.fi/MM.102602/Ceratopogonidae_square.jpg","primaryForTaxon":false,"licenseAbbreviation":"CC-BY-NC-SA-4.0","licenseFullname":"Creative Commons Nimeä Ei-Kaupallinen Jaa-Samoin 4.0","sortOrder":2147483647,"taxon":{"cursiveName":false,"vernacularName":"polttiaiset","scientificName":"Ceratopogonidae","scientificNameAuthorship":"Newman, 1834","taxonRank":"MX.family","id":"MX.253675","hasBold":false},"licenseId":"MZ.intellectualRightsCC-BY-NC-SA-4.0","thumbnailURL":"https://image.laji.fi/MM.102602/Ceratopogonidae_thumb.jpg"},{"copyrightOwner":"Noora Hellén","author":"Noora Hellén","fullURL":"https://image.laji.fi/MM.102622/ceratopogonidae.jpg","largeURL":"https://image.laji.fi/MM.102622/ceratopogonidae_large.jpg","source":"default","squareThumbnailURL":"https://image.laji.fi/MM.102622/ceratopogonidae_square.jpg","primaryForTaxon":false,"licenseAbbreviation":"CC-BY-NC-SA-4.0","licenseFullname":"Creative Commons Nimeä Ei-Kaupallinen Jaa-Samoin 4.0","sortOrder":2147483647,"taxon":{"cursiveName":false,"vernacularName":"polttiaiset","scientificName":"Ceratopogonidae","scientificNameAuthorship":"Newman, 1834","taxonRank":"MX.family","id":"MX.253675","hasBold":false},"licenseId":"MZ.intellectualRightsCC-BY-NC-SA-4.0","thumbnailURL":"https://image.laji.fi/MM.102622/ceratopogonidae_thumb.jpg"}],"species":false,"observationCount":15053,"occurrenceInFinland":"MX.occurrenceInFinlandPublished","hasParent":true,"hasDescriptions":true,"intellectualRights":"MZ.intellectualRightsCC-BY-4.0"}