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SNSB, Zoologische Staatssammlung Muenchen. SNSB, Zoologische Staatssammlung Muenchen. Year: 2015.   cc-by-nc-sa-3.0

Drusus trifidus is a species of caddisflies in the family northern caddisflies.

EOL has data for 7 attributes, including:

Known occurrences, collected specimens and observations of Drusus trifidus McLachlan 1868. View this species on GBIF