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Austracantha is a genus of spider with a single species, Austracantha minax, commonly known as the jewel spider or the Christmas spider. It is a member of the family Araneidae (the orb-weavers) and is endemic to Australia. They are relatively small spiders, reaching a maximum total body length of only around 12 mm (0.47 in) for females, and 5 ...
Typhochlaena seladonia is a species of aviculariine tarantula, and is the type species of the genus Typhochlaena. [1] It is unique as an arboreal spider that constructs trapdoors in the bark of trees. [2] The common name is the Brazilian jewel tarantula. [citation needed]
Araneus gemmoides, commonly known as the jewel spider (a name shared with Austracantha minax) and cat-faced spider (a name shared with Araneus gemma), is a common, outdoor, orb-weaver spider found in Canada and the USA. [1] It is considered harmless and has a low-toxicity venom. [2] A. gemmoides is a useful natural predator for insects. [1] [3] [4]
Gasteracantha quadrispinosa, the four-spined jewel spider, is a brightly coloured species of spider in the spiny orb-weaver genus Gasteracantha. [2] It occurs in wet forests of Queensland, Australia, and New Guinea, [1] [3] where it builds vertical orb webs approximately 1.5 m across and hangs in the centre of the web to wait for prey.
Jewel spider is the common name of several different species of orb weaver spiders: Araneus gemmoides, the North American jewel spider; Austracantha minax, the Australian jewel spider; Gasteracantha cancriformis, sometimes known as the jewel box spider or jewel spider; Gasteracantha fornicata, the northern jewelled spider of Australia
Other colloquial names for certain species include thorn spider, [5] star spider, [6] kite spider, or jewel spider. Members of the genus exhibit strong sexual dimorphism. Females are several times larger than males, which lack prominent spines or bright colors. [4] [5] [7] Other genera in the same family are also known as spiny orb-weavers. [8]
A young tarantula may do this several times a year as a part of the maturation process, while full-grown specimens only molt once a year or less, or sooner, to replace lost limbs or lost urticating hairs. It is visibly apparent that molting is imminent when the exoskeleton takes on a darker shade. If a tarantula previously used its urticating ...
Gasteracantha cancriformis [2] (spinybacked orbweaver) is a species of orb-weaver spider (family Araneidae). It is widely distributed in the New World. [1]The genus name Gasteracantha derives from the Greek words γαστήρ (gaster, "belly") and ἄκανθα (acantha, "thorn"), while the specific epithet cancriformis derives from the Latin words cancer ("crab") and forma ("shape, form ...