Two replacement names of the genus group in Micronoctuini (Lepidoptera, Erebidae, Hypenodinae), Tentaxus nom. nov. pro Tentax Fibiger 2011 (unavailable name) and Flaxus nom. nov. pro Flax Fibiger 2011 (unavailable name) are proposed; 43 new conbinations (comb. nov.) are stated. A new species T. zhangweiweii Han & Kononenko, sp. nov. is described from Borneo (Sabah, East Malaysia).
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