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Mar 14, 2024 · Despite its two-eyed appearance, Phalangium opilio has six peepers. The four extra eyes — leftovers of evolution — shed light on the evolutionary history of daddy longlegs. ljphoto7/iStock ...
Phalangium opilio. (Arachnida: Opiliones, Phalangiidae) Harvestman, Daddy longlegs, Harvest spider. 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. Like the spiders and most adult mites, harvestmen have two major body sections and eight legs ...
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Species opilio (Phalangium opilio) 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.
Harvestman eating a skink tail Protolophus sp. cleaning its legs A male Phalangium opilio, showing the long legs and the tarsomeres (the many small segments making up the end of each leg) Mites parasitising a harvestman Gregarious behavior in Opiliones. Many species are omnivorous, eating primarily small insects and all kinds of plant material ...
Cyphophthalmi. This suborder contains five (or six) families and about 100 species. It is sister to all remaining Opiliones (the “Phalangida”). Cyphophthalmi are eyeless, live in deep moist leaf litter or caves, and range in size from 1 to 7 mm. The animals have a hardened plate covering the entire dorsal surface, and they resemble mites.
Aug 4, 2021 · (a) Phalangium opilio draft genome assembly. The draft assembly of the P. opilio genome comprises 580.4 Mbp (37.5% GC content) in 5137 scaffolds (N50: 211 089) and 8349 contigs (N50: 127 429; electronic supplementary material, figure S1 and table S5). The predicted genome repetitiveness is 54.4% and estimated heterozygosity is 1.24%.
Phalangium opilio is 'the most widespread species of harvestman in the world', occurring natively in Europe, and much of Asia, and having been introduced to North America, North Africa and New Zealand. It is found in a wide range of habitats, including meadows, bogs, forests, and various types of anthropogenic habitats, such as gardens, fields, hedgerows, lawns, quarries, green places in built ...
