Docosia is a genus of fungus gnats in the family Mycetophilidae.Kurina, O. & Sevcik, J. (2011). "Three new species of Docosia Winnertz from central and southern Europe (Diptera: Mycetophilidae)." Zootaxa 2810: 26-36.
Selected species Docosia kerkini Kurina & Sevcik, 2011 Docosia muranica Kurina & Sevcik, 2011 Docosia rameli Kurina & Sevcik, 2011
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