Blandin (Patrick) & Neild, A. 2020. <em>Morpho menelaus orinocensis</em> Le Moult, 1925, endemic to the Orinoco Delta, Venezuela: designation of a lectotype, habitat notes, and relationships with neighbouring <em>Morpho menelaus</em> populations (Lepidoptera Nymphalidae Satyrinae Morphini). <em>Antenor</em>, 6(2): 91-100, 7 figs.