However, in the unlikely event of a bite from this species, a positive identification of the spider by an expert should be made and medical attention sought if any reaction persists for more than a short time. Most reputable sources, including the University of California, Riverside, still say that this species would never be considered as harmful to humans. Recently, however, it was shown that the tiny fangs (about 0.25 mm) were actually capable of piercing human skin in a test done on the US television show, Mythbusters, but the stinging sensation produced was very short-lived. Their venom is also weaker than most biting insects. The minuscule spiders measure 0.08 (2 mm) long. There are nearly 2,000 species of Pholcidae distributed in the entire USA and also worldwide. Pholcidae is actually not a species but a family of spiders. The family contains more than 1,800 individual species of pholcids, including those commonly known as cellar spider, daddy long-legs spider, carpenter spider, daddy long-legger, vibrating spider, gyrating spider, long daddy, and skull spider. It had been thought that the fangs of this spider were incapable of piercing human skin. Though people are bitten at times, British spiders are not normally strong enough to deliver a proper bite. However, it has become so common for each of these to be called Cellar Spiders, or Daddy Long-Legs, that it is now considered correct for all three. The Pholcidae are a family of araneomorph spiders. Contributed by Lynette Elliott on 12 October, 2006 - 7:56am. Eye Arrangement Images of this individual: tag all. However, the venom is not actually that potent, even for insects. Long-bodied Cellar Spider - Pholcus phalangioides - Thompson Falls, Sanders County, Montana, USA OctoSize: under 10 mm. Cellar Spiders, also known as Pholcids, typically have a body length ranging from 1/4 to 3/8 of an inch (6-10 mm) and a leg span of around 2 inches (50 mm) or more. The myth probably grew from observations that the Daddy-long-legs Spider will kill and eat a Redback Spider. One of the primary differences between these two arachnids is their size. However, there is no scientific evidence to back this up. 18.7g ) Males are about 1.6 mm long and females are about 2 mm long. Body length: 7-10mm Conservation status Common When to see All year round. There is a persistent belief that the Daddy-long-legs Spider has the most toxic venom of all spiders. Short - bodied cellar spider, Spermatophora meridionalis ( Fig.
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