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Bolas: Bolas spiders are unusual orb-weaver spiders that do not spin the webs. Instead, they hunt by using a sticky 'capture blob' of silk on the end of a line, known as a ' bolas '. By swinging the bolas at flying male moths or moth flies nearby, the spider may snag its prey rather like a fisherman snagging a fish on a hook.
The spiders are most often observed in railway tunnels and mines since these are more likely to be visited by humans. The young spiders are, after several instars (and in contrast to the adults), strongly attracted to light [ 2 ] —probably an evolutionary adaptation which ensures the spread of the species to new areas (see Life cycle for ...
UV-light reflects off of the top surface of their bodies. This UV-reflectance may serve the same purpose as the UV-silk used to spin their webs: to attract pollinating prey by imitating the characteristics of flowers. The under-area of A. argentata has a dark-brown coloring, with a yellow stripe going across it. [4]
Euophrys omnisuperstes does not show any obvious adaptations for survival in the extreme conditions of high mountains, being similar to jumping spiders living in more temperate environments. [6] Swan noted that daytime temperatures at high elevations can actually be higher than lower down, because of the reduction in cloud cover and the ...
Mature spiders in this genus have a body length of 0.5–2.5 mm. The carapace ranges from dark brown to light tan, sometimes with distinct markings around the eye region or fovea, The sternum is smooth, with sparse bristles, and is usually darker towards the margin. A pit organ is present on the anterior margin of the sternum, at both corners.
Spiders have woven their way into the mystical traditions and spiritual beliefs across cultures for centuries. These eight-legged architects of the natural world hold deep symbolic meaning beyond ...
Amaurobius ferox, sometimes known as the black lace-weaver, is a common nocturnal spider belonging to the family Amaurobiidae and genus Amaurobius.Its genus includes three subsocial species, A. fenestralis, A. similis and A. ferox, all three of which have highly developed subsocial organizations.
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