This species is distributed across the North Pacific region of the United States, as well as in parts of North Africa, Europe, and the Mediterranean. Their gait is an alternating tetrapod one where they move the first right leg followed the second left one and the third right limb. Holocnemus pluchei, commonly known as the marbled cellar spider, is a species of Pholcidae, a family commonly referred to as 'cellar spiders' or 'daddy long-legs'.This is perhaps their way of protecting themselves from danger as the movement could make it difficult for the predator to locate the spider. Species of this family are referred to as “vibrating spiders” as some of them may respond with rapid vibrations when their web is even slightly touched. Other members of the arthropod group like the harvestmen that belong to the category of arachnids but are not spiders. They are known as daddy-long-legs, a name used for other species like Pholcus phalangioides (or long-bodied cellar spider).Mosquitoes, small moths, flies and also other spiders species (like house spiders, redback spiders, huntsman spiders) Quick Facts Other namesĬarpenter spider, daddy-long-legs spider, vibrating spider, skull spider, granddaddy long-legs spider, vibrating spiderĬontinents of America, Asia, Europe, and Africaĭark, damp, dingy areas like caves, below rocks, loose barks, burrows of mammals, as well as undisturbed places of human habitation such as cellars and attics They maintain a passive attitude towards humans and their venom is said to be non-toxic to mankind. Are the Species of the Cellar Spider Family Poisonous and Do they Bite Since the webs lack adhesive qualities, these spiders mostly rely on the irregular pattern for trapping prey. They make irregularly shaped, messy, non-sticky webs in dark and damp areas. They resemble tiny spiders and crawl to their mother’s body after hatching. Eggsįemales produce approximately three sacs in their lifetime, with each of them having about 10 to 60 eggs. Other characteristics: Thin and fragile, the species possess cylindrical abdomens, with short fangs. Size: Their body is 2 to 10 mm (0.08 to 0.39 inches) long, while their legs can have a length of approximately 50 mm (1.97 inches).Ĭolor: Spiders of this family have a yellow or pale tan body with gray or chevron markings in the middle. They have long legs that can reach up to an inch in length and a small body about one-eighth of an inch wide. Their bodies are typically yellowish or grayish-brown with darker markings on their abdomens. Physical Description & Identification Adults They have eight eyes arranged in two rows of four each.
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