![]() Twigs may also be placed at the top of the burrow. In rainy seasons, wolf spiders plug their burrows with pebbles and build turrets to deflect floodwater. These burrows may be open or sealed with silken doors. Some western wolf spiders can be found indoors, while others are specific to wet outdoor areas like riverbanks.īurrows in the ground: Wolf spiders do not spin webs and reside instead within burrows. ![]() Colored markings may appear along their bodies. There are several wolf spiders found in the west that are most commonly brown in color, although gray and black specimens have also been documented. Because wolf spiderlings travel great distances, the habitat of a single species can span a large region. Coastal sand dunes, mountain herb fields or riverbank gravel beds are also home to many wolf spider species. Some wolf spider species prefer to dwell in suburban gardens. Hemolymph is pumped through the heart and bathes the internal organs and tissues.īehaviour, diet and habitat: Wolf spider habitats range from woodlands and dry, inland shrub lands to wet, coastal forests and alpine meadows. The circulatory system of the wolf spider is open, meaning the blood isn’t confined and delivered inside of a closed system, and contains hemolymph, a respiratory protein similar in function to hemoglobin. Also present near the jaw are the palps, which serve as sensory structures and as sperm storage in the male wolf spider. Two sharp, horizontal fangs are present at the extreme bottom of these jaws. The eight noncompound eyes of the wolf spider are arranged with one lower row of four small eyes, two larger eyes and two more small eyes on top of the head.Ĭhelicerae, or jaws, are used to hold prey, inject venom and eat. Named for their swift motion, particularly while attacking prey, the wolf spider can sometimes be seen scurrying across open surfaces.Īnatomy: All spiders have in common a two-segmented body, eight legs, spinnerets and the absence of chewing mouthparts or wings.
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