![]() Harvestmen do not have silk glands, so they cannot spin webs they also lack the venom glands that true spiders possess. Cellar Spiders have 2 basic body segments (cephalothorax and abdomen), 8 legs, and 8 eyes. You can also compare the Cellar Spider to a Daddy Long Legs with the image above. Among the obvious structural differences are harvestmen’s having one apparently unified (usually egg-shaped) body, while true spiders have clearly separate head and abdomen regions. The traits below can help you tell the difference between a Cellar Spider Daddy Long Legs and a Harvestman Daddy Long Legs. ![]() Similar species: Though they also have long, thin legs and are also often called daddy longlegs, harvestmen (in order Opiliones) are quite different and unrelated. Cellar spiders are not poisonous, although the correct terminology would be venomous, which they also are not. To distinguish it from other cellar spiders may require close examination of palps, “face” structure, carapace markings, and eye groupings. These predators help maintain the balance of spider populations within their habitats. Perhaps the most common species in our area is the longbodied cellar spider, Pholcus phalangioides. Natural Predators: The natural predators of Grey House Spiders include white-tailed spiders, long-bodied cellar spiders, and in some regions, birds like the New Zealand Short-tailed species, as well as flies and parasitic wasps. Many common spiders in this family have 8 eyes arranged into three groups: 2 in the center of the face, and a cluster of 3 on each side of the central pair. While they hunt and kill other spiders, they aren’t known to be aggressive toward humans. The last thing you want is to misidentify a brown recluse. Long-bodied cellar spiders prefer dark, quiet areas. All in all, they are not very dangerous, but you should avoid handling them. Most have oval or rounded abdomens, sometimes described as “peanut shaped.” Females build nonadhesive, unorganized, messy-looking cobwebs, usually in corners or crevices. These spiders often stuff themselves into cracks and crevices in human-occupied buildings where they can make webs to trap and kill their prey. Some species have darkened joints on their legs, giving them a “knobby-kneed” look. This movement turns them into a blur, rendering them practically invisible to potential predators. There is an old urban legend associated with cellar spiders, it states that their venom is the most deadly in the world but their. They spin webs in order to catch their prey and they are usually brown or. Other characteristics add to their camouflage: Their gray, tan, or whitish color, small body size, and remarkable habit of “vibrating” or bouncing rapidly in their webs when alarmed. These spiders are not considered to be dangerous to humans but they can be a nuisance. The tarsi (“feet”) are flexible, adding to the wispy impression they give. Cellar spiders are inconspicuous, harmless, fragile spiders with extremely long, thin legs.
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