More Under The Flowerpot

Common Pygmy Woodlouse Trichoniscus pusillus agg

This tiny little woodlouse is called the Common Pygmy Woodlouse Trichoniscus pusillus agg. There were quite a number of these under a flowerpot I lifted up. They grow up to 5mm in length and there are two forms which are very hard to separate hence the agg. Examples infected with iridovirus can be found, which gives them a vivid purple sheen. Very common in damp soil and leaf litter, and the most abundant species found in woodland all over the British Isles.

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June 2019, rear garden, Staffordshire, England. © Pete Hillman.