With a body size decreased to less than 1 cm the Pseudoscorpiones are basically limited to crevices in soil with high humidity. However, a wide range of varying land biotopes have been colonized down to the tidal zones of marine beaches. Among the ca. 30 species found in Germany, there are a number of so-called synanthropic species. As predators the Pseudoscorpiones can even find suitable prey in dusty libraries, which has given the cosmopolitan species Chelifer cancroides the charming name of the book scorpion.
KeywordsSilk Gland Ground Pattern Tracheal System Sensory Plate Poison Gland
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