| 词条 | Oristicta filicicola | ||
| 释义 |
| name = Slender wiretail | image = Slender Wiretail 2270.jpg | image_caption = Slender wiretail Oristicta filicicola, Cairns, Australia | status = LC | status_system = IUCN3.1 | status_ref = [1] | taxon = Oristicta filicicola | authority = Tillyard, 1913[2] | range_map = Oristicta filicicola distribution map.svg }}Oristicta filicicola is a species of damselfly belonging to the family Isostictidae.[3] Until 2017 it was the only species of the genus Oristicta.[4] Commonly known as a slender wiretail,[5] it is a slender and dull-coloured damselfly of medium-size.[6] It is endemic to north-eastern Australia, where it inhabits streams in rainforests.[7] DescriptionBodyOristicta filicicola has olive-green eyes widely spaced on a small head. The synthorax is pale on the lower surface, graduating to a light green on the sides, with dark markings along the sutures. The upper surface is brown, outlined in black on the edges. The dorsal carina (mid-line ridge) is white on a dark background. The abdomen is long and slender, with a steel-like metallic-black on the upper surface, sharply cut off to cream ventral surfaces. At each segment join the paler colour sweeps up forming a narrow ring. On segments 9 and 10, the pale coloration sweeps up towards the rear, to form a dark wedge-shaped pattern on both segments. From a sample of twenty-six specimens held in the Commonwealth Scientific and Industrial Research Organisation, the average length from head to tail tip was 45 mm.[8] The superior anal appendages of the male are club shaped and curve inwards. The inferior appendages are about half as long. In the female, the ovipositor is black and there are two small diverging filaments forming a “v” shape. The appendages are short and pointed.[2]WingsThe wings are transparent with dark veins and the average wing span is 50mm.[8] The pterostigma near the wing apex are dark grey outlined with black, measuring just more than half the length of the cell above which they are positioned. The forewings and hindwings are similar in layout. Postnodal crossveins number 12-14 in the forewing and 11-13 in the hindwing. Diagnostic features which distinguish Oristicta from other genera include the crossvein (Ac) being located between (Ax1) and (Ax2) but closer to (Ax1), and the median sector diverging after the nodal crossvein.[2] GalleryReferences{{Commons}}{{Wikispecies}}1. ^{{cite journal | author = Dow, R.A. |title = Oristicta filicicola | journal = IUCN Red List of Threatened Species | volume = 2017 | page = e.T14675965A59256808 | publisher = IUCN | date = 2017 | url = http://www.iucnredlist.org/details/14675965/0 | doi = 10.2305/IUCN.UK.2017-1.RLTS.T14675965A59256808.en | access-date = 10 December 2017}} {{Taxonbar | from=Q4396552}}2. ^1 2 {{Cite journal|last=Tillyard|first=R.J.|year=1913|title=On some new and rare Australian Agrionidae (Odonata)|url=https://www.biodiversitylibrary.org/page/2903670|journal=Proceedings of the Linnean Society of New South Wales|volume=37 |issue=1912|pages=404–479 [438]|via=Biodiversity Heritage Library}} 3. ^{{cite web|url=https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/|title=World Odonata List|first=Martin|first2=Dennis|date=|website=Slater Museum of Natural History|publisher=University of Puget Sound |author1=Schorr|author2=Paulson|accessdate=9 November 2017}} 4. ^{{Cite web|url=https://biodiversity.org.au/afd/taxa/Oristicta_filicicola|title=Species Oristicta filicicola Tillyard, 1913|last=|first=|date=2012|website=Australian Faunal Directory|publisher=Australian Biological Resources Study|archive-url=|archive-date=|dead-url=|access-date=3 April 2017}} 5. ^{{Cite book|title=The Complete Field Guide to Dragonflies of Australia|last=Theischinger|first=Günther|last2=Hawking|first2=John|publisher=CSIRO Publishing|year=2006|isbn=978 0 64309 073 6|location=Collingwood, Victoria, Australia|pages=74|quote=}} 6. ^{{Cite book|title=The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata|last=Watson|first=J.A.L.|last2=Theischinger|first2=G.|last3=Abbey|first3=H.M.|publisher=CSIRO|year=1991|isbn=0643051368|location=Melbourne|pages=|quote=}} 7. ^{{cite book|title=Identification Guide to the Australian Odonata|last2=Endersby|first2=Ian|date=2009|publisher=Department of Environment, Climate Change and Water NSW|isbn=978 1 74232 475 3|pages=230|last1=Theischinger|first1=Gunther|url=http://www.environment.nsw.gov.au/resources/publications/09730AustOdonata.pdf}} 8. ^1 {{citeweb|url=http://biocache.ala.org.au/occurrences/search?q=Oristicta%20filicicola|title=Atlas of Living Australia – Oristicta filicicola|access-date=12 April 2017}} 7 : Isostictidae|Odonata of Australia|Insects of Australia|Endemic fauna of Australia|Taxa named by Robert John Tillyard|Insects described in 1913|Damselflies |
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