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  1. Phalangium opilio. (Arachnida: Opiliones, Phalangiidae) Harvestman, Daddy longlegs, Harvest spider. by Mark Schmaedick, Land Grant Program, American Samoa Community College, Pago Pago, AS. Of the many species of harvestmen known, P. opilio tends to be the most common in relatively disturbed habitats such as most crops in temperate regions.

  2. Nov 21, 2019 · Help Invasive Species Compendium ... Detailed coverage of invasive species threatening livelihoods and the environment worldwide. ... Phalangium opilio (daddy longlegs)

  3. Life spans of up to 7 years have been reported. IV.C.1.b. Eupnoi. This group contains two superfamilies, including the classic daddy long legs (Phalangioidea: Phalangiidae, Sclerosomatidae, Megalopsalididae, and Neopilionidae) of soft-bodied, long-legged harvestmen. Phalangium opilio is common around buildings and introduced throughout the world.

    Main Form Of Intra-sexual Dimorphism
    Type Of Evidence
    Neopantopsalis pentheter, N. psile, and N.
    Length of chelicerae and spines on femur ...
    Taylor and Hunt (2009)
    Pantopsalis albipalpis, P. cheliferoides, ...
    Shape and length of chelicerae
    Taylor (2004, 2013a)
    Megalopsalis minima
    Length of chelicerae and presence of a ...
    Kauri (1954) and Taylor (2013b)
    Megalopsalis caeruleomontium and M.
    Length and armature of chelicerae
    Taylor (2013b)
  4. Phalangium opilio is known to feed on Helicoverpa zea eggs, and thus can act as biological pest control for soybean crops. The species is nocturnal, as is typical of opilionids. Description. Females have a body length of 6–9 mm (1 ⁄ 4 – 3 ⁄ 8 in), males are slightly smaller at 4–7 mm (3 ⁄ 16 – 1 ⁄ 4 in).

  5. A common harvestman is a species of arachnid, meaning it's closely related to scorpions, spiders and mites. They're often misidentified as spiders because of their eight spindly spider-like legs. They can be distinguished from spiders by the round, fused body region. Likewise, spiders possess four pairs of eyes, whereas harvesters possess only one.

  6. › species › phalangium-opilioPhalangium opilio | NatureSpot

    Description. Body length 3.5 to 4 mm. This species has a white underside. Males have a large spur or horn projecting from the anterior surface of the first cheliceral segment; females do not have this feature. Males also tend to have long, thin pedipalps relative to those of other harvestmen and usually are blacker in colouration than the females.

  7. Phalangium opilio Linnaeus, 1758 is a widespread species of Eupnoi. It is the first species of Opiliones described. 1 Abbreviated logonymy from WCO 2 Taxonomy 2.1 Original description 2.2 Early depictions 2.2.1 Baron Charles De Geer (1778) 2.2.2 Johann Friedrich Wilhelm Herbst (1798) 2.3 19th Century 2.3.1 Carl Wilhelm Hahn (1835) 2.4 Synonymy with inversion of precedence 3 Abbreviated ...

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