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  2. Spider vision - Wikipedia

    en.wikipedia.org/wiki/Spider_vision

    Basic arrangement of spider eyes, viewed from above. Most spiders have eight eyes, which tend to be arranged into two rows of four eyes on the head region. The eyes can be categorised by their location and are divided into the anterior median eyes (AME), anterior lateral eyes (ALE), posterior median eyes (PME), and posterior lateral eyes (PLE).

  3. Spider anatomy - Wikipedia

    en.wikipedia.org/wiki/Spider_anatomy

    The tip of the tarsus bears claws, which vary in number and size. Spiders that spin webs typically have three claws, the middle one being small; hunting spiders typically have only two claws. Since they do not have antennae, spiders use specialised and sensitive setae on their legs to pick up scent, sounds, vibrations and air currents. [6]

  4. Deinopidae - Wikipedia

    en.wikipedia.org/wiki/Deinopidae

    The posterior median eyes have excellent night vision, allowing them to cast nets accurately in low-light conditions. These eyes are larger than the others, and sometimes makes these spiders appear to only have two eyes. Ogre-faced spiders are the best known genus in this family. The name refers to the perceived physical similarity to the ...

  5. Simple eye in invertebrates - Wikipedia

    en.wikipedia.org/wiki/Simple_eye_in_invertebrates

    Spiders do not have compound eyes, but instead have several pairs of simple eyes with each pair adapted for a specific task or tasks. The principal and secondary eyes in spiders are arranged in four, or occasionally fewer, pairs. Only the principal eyes have moveable retinas. The secondary eyes have a reflector at the back of the eyes.

  6. The 10 Most Common House Spiders to Look Out For, According ...

    www.aol.com/lifestyle/10-most-common-house...

    Also, brown recluse spiders have six eyes, instead of the eight that many other spiders have. ... Crumbley explains that control of spiders comes in two forms: knocking down webs and removing ...

  7. Spider - Wikipedia

    en.wikipedia.org/wiki/Spider

    The outer pair are "secondary eyes" and there are other pairs of secondary eyes on the sides and top of its head. [25] Eyes of the jumping spider, Plexippus paykulli. Spiders have primarily four pairs of eyes on the top-front area of the cephalothorax, arranged in patterns that vary from one family to another. [13]

  8. What You Think Is A Spider Bite Is Usually Something Else ...

    www.aol.com/think-spider-bite-usually-something...

    Black widow spiders are tough to identify as well. Only female black widows have the characteristic red hourglass-shaped markings on their backs. Male and immature black widows have tan and white ...

  9. Jumping spider - Wikipedia

    en.wikipedia.org/wiki/Jumping_spider

    Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, [1] making it the largest family of spiders at 13% of all species. [2] Jumping spiders have some of the best vision among arthropods and use it in courtship, hunting, and ...