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As of 2019, this family contained over 600 described genera and over 6,000 described species, [1] making it the largest family of spiders – comprising 13% of spider species. [2] Jumping spiders have some of the best vision among arthropods and use it in courtship, hunting, and navigation. Although they normally move unobtrusively and fairly ...
The posterior lateral (PLE) and anterior lateral eyes (ALE) provide the spider with a 360-degree survey of its surroundings. Field of vision of the ALE overlap in front of the spider. Each anterior medial eye (AME) consists of a long tube that can be moved independently to scan the area in front of the spider with high resolution.
[2] [5] The secondary eyes normally have a light-reflecting layer, the tapetum, that makes the eyes appear pale. [6] The tapetum differs considerably between spider families but can be separated into three main types: PT (primitive type), CT (canoe type), and GT (grate type). Some spiders, such as jumping spiders, have no tapetum in their ...
a: ^ Jackson and Blest (1982) say, "The resolution of the receptor mosaic of Layer I in the central retina was estimated to be a visual angle of 2.4 arc min, corresponding to 0–12 mm at 20 cm in front of the spider, or 0–18 mm at 30 cm." b: ^ Several species of cursorial spiders drink nectar as an occasional supplement their diet, and juveniles of some orb-web spiders digest pollen while ...
Phidippus princeps is a species of jumping spider found in Canada and the eastern United States. These jumping spiders' vision exceeds by a factor of ten than that of a dragonfly's, which have the best vision among insects. [1] Feeding
Plexippus paykulli is a species of jumping spider. [1] It is native to Southeast Asia, but now has a cosmopolitan distribution. In the United States it is commonly known as the pantropical jumping spider. [2] It is usually associated with buildings [3] and may be found near light sources catching insects attracted by the light. [4]
Phidippus mystaceus is a species of jumping spider that is found in North America. Females grow to about 1 centimetre (0.39 in) in body length. Females grow to about 1 centimetre (0.39 in) in body length.
Like other jumping spiders, T. planiceps relies on their very acute eyesight for hunting. The anterior median eyes are the primary eyes used for capture of stationary prey while the anterior lateral eyes are the main eyes used in chasing Both sets of eyes can be coordinated to enable switching from one hunting type to the other. [6]
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