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Life cycle and phenology of an Antarctic invader: the flightless chironomid midge, Eretmoptera murphyi
Knowledge of the life cycles of non-native species in Antarctica is key to understanding their ability to establish and spread to new regions. Through laboratory studies and field observations on Signy Island (South Orkney Islands, maritime Antarctic), we detail the life stages and phenology of Eret...
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| Published in: | Polar biology 2019-01, Vol.42 (1), p.115-130 |
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| Language: | English |
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| container_end_page | 130 |
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| container_title | Polar biology |
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| creator | Bartlett, Jesamine C. Convey, Peter Hayward, Scott A. L. |
| description | Knowledge of the life cycles of non-native species in Antarctica is key to understanding their ability to establish and spread to new regions. Through laboratory studies and field observations on Signy Island (South Orkney Islands, maritime Antarctic), we detail the life stages and phenology of
Eretmoptera murphyi
(Schaeffer 1914), a brachypterous chironomid midge introduced to Signy in the 1960s from sub-Antarctic South Georgia where it is endemic. We confirm that the species is parthenogenetic and suggest that this enables
E. murphyi
to have an adult emergence period that extends across the entire maritime Antarctic summer season, unlike its sexually reproducing sister species
Belgica antarctica
which is itself endemic to the Antarctic Peninsula and South Shetland Islands. We report details of previously undescribed life stages, including verification of four larval instars, pupal development, egg gestation and development, reproductive viability and discuss potential environmental cues for transitioning between these developmental stages. Whilst reproductive success is limited to an extent by high mortality at eclosion, failure to oviposit and low egg-hatching rate, the population is still able to potentially double in size with every life cycle. |
| doi_str_mv | 10.1007/s00300-018-2403-5 |
| format | article |
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Eretmoptera murphyi
(Schaeffer 1914), a brachypterous chironomid midge introduced to Signy in the 1960s from sub-Antarctic South Georgia where it is endemic. We confirm that the species is parthenogenetic and suggest that this enables
E. murphyi
to have an adult emergence period that extends across the entire maritime Antarctic summer season, unlike its sexually reproducing sister species
Belgica antarctica
which is itself endemic to the Antarctic Peninsula and South Shetland Islands. We report details of previously undescribed life stages, including verification of four larval instars, pupal development, egg gestation and development, reproductive viability and discuss potential environmental cues for transitioning between these developmental stages. Whilst reproductive success is limited to an extent by high mortality at eclosion, failure to oviposit and low egg-hatching rate, the population is still able to potentially double in size with every life cycle.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-018-2403-5</identifier><identifier>PMID: 30872890</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Animal reproduction ; Biomedical and Life Sciences ; Brachypterism ; Breeding success ; Developmental stages ; Eclosion ; Ecology ; Endemic species ; Eretmoptera murphyi ; Gestation ; Hatching ; Indigenous species ; Instars ; Introduced species ; Islands ; Life cycle ; Life cycle engineering ; Life cycles ; Life Sciences ; Microbiology ; Native organisms ; Oceanography ; Original Paper ; Ova ; Phenology ; Plant Sciences ; Pregnancy ; Reproduction ; Reproduction (biology) ; Sibling species ; Viability ; Zoology</subject><ispartof>Polar biology, 2019-01, Vol.42 (1), p.115-130</ispartof><rights>The Author(s) 2018</rights><rights>COPYRIGHT 2019 Springer</rights><rights>Polar Biology is a copyright of Springer, (2018). All Rights Reserved. © 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c509t-ff550b8cb137b869c6d9b87ff513752005d39105975d2b438c8a37d9bdbe76cb3</citedby><cites>FETCH-LOGICAL-c509t-ff550b8cb137b869c6d9b87ff513752005d39105975d2b438c8a37d9bdbe76cb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30872890$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bartlett, Jesamine C.</creatorcontrib><creatorcontrib>Convey, Peter</creatorcontrib><creatorcontrib>Hayward, Scott A. L.</creatorcontrib><title>Life cycle and phenology of an Antarctic invader: the flightless chironomid midge, Eretmoptera murphyi</title><title>Polar biology</title><addtitle>Polar Biol</addtitle><addtitle>Polar Biol</addtitle><description>Knowledge of the life cycles of non-native species in Antarctica is key to understanding their ability to establish and spread to new regions. Through laboratory studies and field observations on Signy Island (South Orkney Islands, maritime Antarctic), we detail the life stages and phenology of
Eretmoptera murphyi
(Schaeffer 1914), a brachypterous chironomid midge introduced to Signy in the 1960s from sub-Antarctic South Georgia where it is endemic. We confirm that the species is parthenogenetic and suggest that this enables
E. murphyi
to have an adult emergence period that extends across the entire maritime Antarctic summer season, unlike its sexually reproducing sister species
Belgica antarctica
which is itself endemic to the Antarctic Peninsula and South Shetland Islands. We report details of previously undescribed life stages, including verification of four larval instars, pupal development, egg gestation and development, reproductive viability and discuss potential environmental cues for transitioning between these developmental stages. 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L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c509t-ff550b8cb137b869c6d9b87ff513752005d39105975d2b438c8a37d9bdbe76cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Animal reproduction</topic><topic>Biomedical and Life Sciences</topic><topic>Brachypterism</topic><topic>Breeding success</topic><topic>Developmental stages</topic><topic>Eclosion</topic><topic>Ecology</topic><topic>Endemic species</topic><topic>Eretmoptera murphyi</topic><topic>Gestation</topic><topic>Hatching</topic><topic>Indigenous species</topic><topic>Instars</topic><topic>Introduced species</topic><topic>Islands</topic><topic>Life cycle</topic><topic>Life cycle engineering</topic><topic>Life cycles</topic><topic>Life Sciences</topic><topic>Microbiology</topic><topic>Native organisms</topic><topic>Oceanography</topic><topic>Original Paper</topic><topic>Ova</topic><topic>Phenology</topic><topic>Plant Sciences</topic><topic>Pregnancy</topic><topic>Reproduction</topic><topic>Reproduction (biology)</topic><topic>Sibling species</topic><topic>Viability</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bartlett, Jesamine C.</creatorcontrib><creatorcontrib>Convey, Peter</creatorcontrib><creatorcontrib>Hayward, Scott A. 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Eretmoptera murphyi
(Schaeffer 1914), a brachypterous chironomid midge introduced to Signy in the 1960s from sub-Antarctic South Georgia where it is endemic. We confirm that the species is parthenogenetic and suggest that this enables
E. murphyi
to have an adult emergence period that extends across the entire maritime Antarctic summer season, unlike its sexually reproducing sister species
Belgica antarctica
which is itself endemic to the Antarctic Peninsula and South Shetland Islands. We report details of previously undescribed life stages, including verification of four larval instars, pupal development, egg gestation and development, reproductive viability and discuss potential environmental cues for transitioning between these developmental stages. Whilst reproductive success is limited to an extent by high mortality at eclosion, failure to oviposit and low egg-hatching rate, the population is still able to potentially double in size with every life cycle.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30872890</pmid><doi>10.1007/s00300-018-2403-5</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0722-4060 |
| ispartof | Polar biology, 2019-01, Vol.42 (1), p.115-130 |
| issn | 0722-4060 1432-2056 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6390884 |
| source | Springer Nature |
| subjects | Animal reproduction Biomedical and Life Sciences Brachypterism Breeding success Developmental stages Eclosion Ecology Endemic species Eretmoptera murphyi Gestation Hatching Indigenous species Instars Introduced species Islands Life cycle Life cycle engineering Life cycles Life Sciences Microbiology Native organisms Oceanography Original Paper Ova Phenology Plant Sciences Pregnancy Reproduction Reproduction (biology) Sibling species Viability Zoology |
| title | Life cycle and phenology of an Antarctic invader: the flightless chironomid midge, Eretmoptera murphyi |
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