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Hadronyche Modesta
''Hadronyche modesta'', the Victorian funnel-web spider, is a species of spider found in Victoria, Australia. Taxonomy A member of the genus '' Hadronyche'', the Victorian funnel-web spider was first described in 1891 by Simon in the genus ''Atrax'', having been collected from the vicinity of Melbourne. The type specimen is located in Paris. Description A small species compared with other Australian funnel-web spiders, the Victorian funnel-web spider has a similar coloration to most other Australian funnel-web spiders, namely a shiny black carapace and black to dark brown legs and chelicerae, with a matt abdomen with a maroon tinge. Distribution and habitat The Victorian funnel-web spider is found in southeastern Australia from the vicinity of Melbourne east through the Dandenong Ranges and East Gippsland. Bites Although this species is related to the Sydney funnel-web spider The Sydney funnel-web spider (''Atrax robustus'') is a species of venomous mygalomorph spider nati ...
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Hadronyche
''Hadronyche'' is a genus of venomous Australian funnel-web spiders that was first described by L. Koch in 1873. Originally placed with the curtain web spiders, it was moved to the Hexathelidae in 1980, then to the Atracidae in 2018. Description Their size varies significantly, measuring from 1 to 5 cm. Most species in this genus, as most Myglomorphae, have a glossy black or brown carapace. They have a very long life span for spiders, having been known to live for up to 20 years. They can be easily identified by the raised morphology of their caput (the front part of the cephalothorax). If identification is not certain, they can be distinguished from ''Atrax'' by the unmodified or blunt apophysis in their second tibia, or from ''Illawarra'' by the male tarsi, which have two instead of tree ventral spine rows. Venom While Australian funnel-web spider venom is medically significant, no human fatalities as a result have been recorded since the introduction of antivenom ...
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Atrax
''Atrax'' is a genus of venomous Australian funnel web spiders that was first described by O. Pickard-Cambridge in 1877 from the type species ''Atrax robustus''. it contains only three species: ''A. robustus'', '' A. sutherlandi'', and '' A. yorkmainorum''. Originally placed with the curtain web spiders, it was moved to the Hexathelidae in 1980, then to the Australian funnel-web spiders in 2018. Description They are medium to large spiders for their family ranging from 1.5 to 4.5 cm. As most in the Mygalomorphae Infraorder, they have robust bodies. With a glossy dark coloration in their carapace and legs, and a grey opisthosoma. They also have the same long life, ranging from 4 to 20 years. They are usually found in burrows with little silk lining, found under rocks or logs. With their aptly named funnel like webs. They are found in the coasts and highlands of southeastern Australia. Identification They can be identified from others of the same family by the large coni ...
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Melbourne
Melbourne ( ; Boonwurrung/Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a metropolitan area known as Greater Melbourne, comprising an urban agglomeration of 31 local municipalities, although the name is also used specifically for the local municipality of City of Melbourne based around its central business area. The metropolis occupies much of the northern and eastern coastlines of Port Phillip Bay and spreads into the Mornington Peninsula, part of West Gippsland, as well as the hinterlands towards the Yarra Valley, the Dandenong and Macedon Ranges. It has a population over 5 million (19% of the population of Australia, as per 2021 census), mostly residing to the east side of the city centre, and its inhabitants are commonly referred to as "Melburnians". The area of Melbourne has been home to Aboriginal ...
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Sydney Funnel-web Spider
The Sydney funnel-web spider (''Atrax robustus'') is a species of venomous Mygalomorphae, mygalomorph spider native to eastern Australia, usually found within a radius of Sydney. It is a member of a group of spiders known as Australian funnel-web spiders. Its bite is capable of causing serious illness or death in humans if left untreated. The Sydney funnel-web has a body length ranging from . Both sexes are glossy and darkly coloured, ranging from blue-black, to black, to shades of brown or dark-plum coloured. Taxonomy Octavius Pickard-Cambridge was the first to describe the Sydney funnel-web spider, from a female specimen housed in the British Museum in 1877. Establishing the genus ''Atrax'', he named it ''Atrax robustus''. The species name is derived from the Latin ''robustus'', "strong/sturdy/mature". Some years later, William Joseph Rainbow described a male Sydney funnel-web as a new species—''Euctimena tibialis''—from a spider he found under a log in Turramurra, an ...
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Spiders Of Australia
Australia has a number of highly venomous spiders, including the Sydney funnel-web spider, its relatives in the family Hexathelidae, and the redback spider, whose bites can be extremely painful and have historically been linked with deaths in medical records. Most Australian spiders do not have venom that is considered to be dangerously toxic. No deaths caused by spider bites in Australia have been substantiated by a coronial inquest since 1979. There are sensationalised news reports regarding Australian spiders that fail to cite evidence. ''A Field Guide to Spiders of Australia'' published by CSIRO Publishing in 2017 featuring around 836 species illustrated with photographs of live animals, around 381 genera and 78 families, introduced significant updates to taxonomy from Ramirez, Wheeler and Dmitrov Estimates put the total number of Australian spider species at about 10,000. Only around 3,600 have been described. Little information is known about many undiscovered species. New s ...
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Spiders Described In 1891
Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every land habitat. , 50,356 spider species in 132 families have been recorded by taxonomists. However, there has been debate among scientists about how families should be classified, with over 20 different classifications proposed since 1900. Anatomically, spiders (as with all arachnids) differ from other arthropods in that the usual body segments are fused into two tagmata, the cephalothorax or prosoma, and the opisthosoma, or abdomen, and joined by a small, cylindrical pedicel, however, as there is currently neither paleontological nor embryological evidence that spiders ever had a separate t ...
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