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Deinopidae, also known as net casting spiders, is a family of cribellate [1] spiders first described by Carl Ludwig Koch in 1850. [2] It consists of stick-like elongated spiders that catch prey by stretching a web across their front legs before propelling themselves forward.
Deinopis spinosa, known generally as the ogrefaced spider or net-casting spider, is a species of ogrefaced spider in the family Deinopidae. It is found in the United States, St. Vincent, and Venezuela .
Deinopis, also known as net-casting spiders, gladiator spiders and ogre-faced spiders, [2] is a genus of net-casting spiders that was first described by W. S. MacLeay in 1839. [3] Its distribution is widely tropical and subtropical. They catch their prey using a specially spun "net".
Deinopis longipes is a species of net-casting spider (family Deinopidae). It is found throughout Central America. This spider has a very slim, elongated body around 16 mm in length. As with other members of the family, it hunts at night, constructing a silken net which it uses to snare passing prey.
Asianopis subrufa (also called the rufous net-casting spider) is a species of net-casting spiders. It occurs in Australia (Queensland, New South Wales, Victoria and Tasmania) and in New Zealand. [1] It is a nocturnal hunter, having excellent eyesight, and hunts using a silken net to capture its prey.
The main pair of eyes in jumping spiders even sees in color. [9] Net-casting spiders of genus Deinopis have their posterior median eyes enlarged into large forward-facing compound lenses. These eyes have a wide field of view and are able to gather available light more efficiently than the eyes of cats and owls.
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The net-casting spider weaves a small net which it attaches to its front legs. It then lurks in wait for potential prey and when such prey arrives, lunges forward to wrap its victim in the net, bite and paralyze it. Hence, this spider expends less energy catching prey than a primitive hunter and also avoids the energy loss of weaving a large ...