tetrophthalmi

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European harvestman on house wall in detailed view Royalty Free Stock Photo

European harvestman on house wall in macro view

European harvestman (Phalangium opilio) on house wall in macro view. The Opiliones (formerly Phalangida) are an order of arachnids colloquially known as harvestmen, harvesters, or daddy longlegs. As of April 2017, over 6650 species of harvestmen have been discovered worldwide, although the total number of extant species may exceed 10,000. The order Opiliones includes five suborders: Cyphophthalmi, Eupnoi, Dyspnoi, Laniatores, and Tetrophthalmi, which were named in 2014. Harvestmen vary greatly in size, with body lengths ranging from less than 1 mm to about 2.2 cm (0.87 in), although they generally don't exceed 7 mm (0.28 in). Their legs are extremely long in relation to their body the maximum leg span is about 16 cm (6.3 in). Harvestman are usually brown or gray in color but some species have vivid patterns that include yellow, green, black, and red markings. Weiz, Styria, Austria, Central Europe, November 2021