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Goldenrod Crab Spider

Lat. “Misumena vatia“
species of family “Crab Spiders“
1 species

The species Misumena vatia belongs to the family Thomisidae, or crab spiders, and its genus Misumena includes many other species found worldwide. Misumena vatia has a wide, flat body and is harmless to humans. It is found in North America and Europe, preferring a temperate climate and inhabiting forest biomes. Males face danger and have a lower sex ratio compared to females. They require a two-day interval between matings, and females can produce another brood if induced.

Taxonomy and phylogeny
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The species Misumena vatia was first described by Swedish arachnologist and entomologist Carl Alexander Clerck in his book Aranei Svecici. Misumena vatia belongs to the family Thomisidae, or spiders known as crab spiders. The family includes more than 2000 species, which are found all over the world. The genus Misumena includes many other species which are found worldwide. Misumena vatia falls into the Thomisus clade. Other clades in the family Thomisidae include the Borboropactus clade, the Epidius clade, and the Stephanopis clade.

Description
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This species has a wide, flat body that is short and crab-like. It can walk sideways in addition to being able to move forward and backward. Of its eight legs, the first two pairs are the longest. These sets of legs are usually held open, as the spider uses them to capture its prey. Misumena vatia is harmless to humans, as its fangs are not powerful enough to penetrate human skin and its venom is too weak to harm larger animals.

Habitat and distribution
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Misumena vatia is found only in North America and Europe. Other species of crab spiders, however, can be found all over the world. The species prefers a temperate climate and generally inhabits forest biomes. Misumena vatia is terrestrial and can be found on several plants and flowers such as milkweed and goldenrod in North America, as well as trillium, white fleabane (Erigeron strigosus), ox-eye daisy (Chrysanthemum leucanthemum), red clover (Trifolium pratense) and buttercups (Ranunculus acris)."

Reproduction and lifecycle
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Sex ratios among Misumena vatia vary from a ratio of 1.5 females per male at hatching to a ratio of 2.5–5.1 females per male by the time they reach adulthood. Since males must spend considerable time searching for females, they face danger from the environment, reducing their numbers. Males cannot mate multiple times in quick succession but require a two-day interval between matings. In nature, Misumena vatia produces a single brood. However, females are capable of producing another brood if artificially induced.

External links#

Media related to Misumena vatia at Wikimedia Commons

The species Misumena vatia belongs to the family Thomisidae, or crab spiders, and its genus Misumena includes many other species found worldwide. Misumena vatia has a wide, flat body and is harmless to humans. It is found in North America and Europe, preferring a temperate climate and inhabiting forest biomes. Males face danger and have a lower sex ratio compared to females. They require a two-day interval between matings, and females can produce another brood if induced.

Ancestry Graph

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Further Information

Copyright

Wikipedia
This article uses material from the Wikipedia article Misumena vatia the free encyclopedia Wikipedia which is released under Creative Commons Attribution-ShareAlike 4.0 International License). On Wikipedia a list of authors is available.