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Arkys lancearius

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Species of spider

Arkys lancearius
At Ku-ring-gai Chase National Park, Australia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Arkyidae
Genus: Arkys
Species: A. lancearius
Binomial name
Arkys lancearius
Walckenaer, 1837

Arkys lancearius, the triangular spider, is a common Australian spider belonging to the family Arkyidae. It is an ambush hunter, commonly found resting on leaves and ferns or hanging from just a few threads of silk. The front two pairs of legs are large, suited for grabbing small insects, while the rear pairs of legs are much smaller.

Description and habit

The body length of males is about 5.5 millimetres (0.22 in), while that of females are around 8 millimetres (0.31 in). Body colour varies from yellow or orange to red with pale jewel-like markings on the heart shaped abdomen. Egg sacs are produced in January or February and are a deep pinkish cream colour. They are usually around 8 mm in diameter and are covered in lighter coloured threads. Each sac contains about 70 eggs, each 0.7 mm in diameter.

References

  1. ^ "Taxon details Arkys lancearius Walckenaer, 1837". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-04-22.
  2. "Arkys lancearius Walckenaer, 1837 Common Triangular Spider". Retrieved 2019-04-22.
  3. Heimer, S. (1984). "Remarks on the spider genus Arcys Walckenaer, 1837, with description of new species (Araneae, Mimetidae)". Entomologische Abhandlungen, Staatliches Museum fΓΌr Tierkunde Dresden. 47: 155–178.
  4. Mascord, Ramon (1970). Australian Spiders in Colour. Tuttle. p. 96. ISBN 0730102912.
Taxon identifiers
Arkys lancearius


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