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Biström, O., Franciscolo, M. and Sanfilippo, N. 1991. <i>Yolina tiwaiensis</i> Franciscolo & Sanfilippo, 1990, junior synonym of <i>Yolina libera</i> Biström, 1987 (Coleoptera, Dytiscidae). Entomologica Fennica. 2, 2 (Jun. 1991), 52. DOI:https://doi.org/10.33338/ef.83535.