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Phalangium is a genus of harvestmen that occur mostly in the Old World. The best known species is Phalangium opilio , which is so common in many temperate regions that it is simply called "harvestman".
Adult P. opilio have a body length of 3.5–9 mm (1 ⁄ 8 – 3 ⁄ 8 in). Males tend to have smaller bodies than females, but have noticeably larger pedipalps and chelicerae with prominent outgrowths (horns) on the dorsal side of the second segment.
Mar 14, 2024 · Daddy longlegs have up to two functional eyes and at least one species has four hidden, underdeveloped ones. In this fluorescent microscope image of a Phalangium opilio embryo, the two working...
Nov 16, 2017 · Explanation of Names. Phalangium opilio Linnaeus 1758. Size. Adult body ~3.5–3.9 mm, with males generally smaller than females. Identification. Males have a large spur/horn on the anterior surface of the first cheliceral segment. Males also tend to have long, thin pedipalps relative to those of other harvestmen.
Adult body length is approximately 3.5–9 mm, with males generally smaller than females. The upper surface of the body is colored with an indistinct and variable light gray or brown pattern, and the lower surface is typically light cream.
Phalangium is a genus of harvestmen found in Europe and western Asia, with the species P. opilio also found in North America and introduced to Australasia. A number of the species listed below are nomina dubia dating to early circumscriptions of this genus including a much broader range of species; most are probably not correctly placed.
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Aug 4, 2021 · We assembled the first harvestman draft genome for the species Phalangium opilio, which bears elongate, prehensile appendages, made possible by numerous distal articles called tarsomeres. Here, we show that the genome of P. opilio exhibits a single Hox cluster and no evidence of WGD.
