![]() After snaring prey, cellar spiders quickly envelop their prey with silk then inflict fatal bites. Preferring the dark, damp recesses of caves, under rocks, under loose bark, abandoned mammal burrows, in addition to undisturbed areas such as cellars and basements, cellar spiders also spin their webs in warm, dry windows and attics.Īlthough cellar spider webs don’t contain adhesive properties, their random web structure traps insects, making their escapes difficult. Confusion arises due to applying the name "daddy longlegs" to two distantly related arthropod groups: harvestmen, which are arachnids but not spiders, and crane flies, which are insects.Ĭellar spiders hang upside-down in messy, irregular, tangled webs. Often mistaken for other spider species, cellar spiders are commonly called daddy longlegs spiders, granddaddy longlegs spiders, carpenter spiders or vibrating spiders. Size: Cellar spiders measure 2–10 mm in body length, with legs up to 50 mm long and cylindrical abdomens resembling peanuts.Location: Found on every continent in the world, except Antarctica.Species: In the suborder, Araneomorphae, Pholcidae, or cellar spiders, belong to a family of spiders containing about 1500 species divided into about 80 genera.The common name “daddy longlegs” has/is also used for harvestmen (which are arachnids, but aren’t spiders) and some crane flies (flying insects not related to spiders).Arachnologists think their venom is not very potent at all, even when used on insects. There is a persistent rumor that this spider (or others in the same family) has the most potent venom of all spiders, but there’s never been a single shred of scientific evidence to back this up. ![]() This is where the (not often used) nickname “vibrating spider” comes from. Spider may quickly “bounce” up and down in their web if feeling threatened.Mother doesn’t usually feed at all while she holds the eggs in her mouth, however they’re occasionally witnessed hanging their egg sac in the web temporarily in order to feed, preen, or mate (Eiseman & Charney 2010).Females wrap their eggs in a few strands of silk and carry them in their chelicerae (jaws) they may lay up to three egg sacs in her lifetime, each one about 30 eggs.Can also catch and eat other large spiders that walk into their web, including things like the “ hobo spider,” the “ giant house spider,” and even large “ wolf spiders.” May invade the web of other spiders and eat them, including members of their own species. ![]()
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