Tactusa artus, Fibiger, 2010

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119 : 27

T. artus species-group

Species-group consists of ten known species, here placed in two groups, and which share following five characteristic features:

- a very large, blackish, triangular patch which extends from antemedial point on costa to apex, and to tornus

- presence of a white subterminal line;

- reniform stigma absent or almost untraceable;

- ampulla with small, stout, apical spines;

- female with conical antrum.