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Centre for Biodiversity Genomics. CBG Photography Group. Year: 2008.   cc-by-nc-sa-3.0

Acerpenna pygmaea is a species of mayflies in the family small minnow mayflies.

EOL has data for 3 attributes, including:

Known occurrences, collected specimens and observations of Acerpenna pygmaea (Hagen 1861). View this species on GBIF