Pseudoscorpion
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Pseudoscorpions, also known as false scorpions or book scorpions, are small, scorpion-like arachnids belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida.
Neobisium sylvaticum 03
Phoretic pseudoscorpion (Lamprochernes sp.) on a fly, Germany
A book scorpion (Chelifer cancroides) on top of an open book
Example of pseudoscorpions preserved in amber. (a) Progonatemnus succineus, (b) Roncus succineus, (c) Chelignathus kochii, (d) Neobisium exstinctum, (e) Electrochelifer balticus, (f) Cheiridium hartmanni, (g) Geogarypus macrodactylus, (h) Microcreagris koellneri
Phoresis
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Phoresis or phoresy is a temporary commensalistic relationship when an organism attaches itself to a host organism solely for travel. It has been seen in ticks and mites since the 18th century, and in
Pseudoscorpion
…small size. When people see pseudoscorpions, especially indoors, they often mistake them for ticks or small spiders. Pseudoscorpions often carry out phoresis, a form of commensalism in which one organism uses another for the purpose of transport. Pseudoscorpions, of the class Arachnida, are small arachnids…
Pseudogarypus synchrotron Henderickx et al. 2012 specimen in Baltic amber.
Male Bombus hypnorum with phoretic mites. Botevgrad, Bulgaria.
The phoretic deutonymph of the bee mite Chaetodactylus krombeini shows distinct morphological adaptations for phoresy relative to other parts of its life cycle.