Pseudomicrothorax dubius is found in freshwater habitats such as lakes, reservoirs, streams and rivers - especially those rich in algae.
There are also occasional reports of its presence in terrestrial habitats such as mosses and soils (Thompson and Corliss, 1958; Foissner et al., 2002).
P. dubius is probably cosmopolitan, having been reported from:
It is likely that P. dubius is dispersed by both active and passive mechanisms. Find out more.
Discover how P. dubius could be used to indicate organic pollution in water.
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