The Stigmella pseudodigitata group (designated here) (species 38)
Diagnostics (Fig. 37): forewing without fascia, mostly brown, slightly speckled with dark brown scales or scales with blue and purple iridescence. In male genitalia, phallus with with a specific set of cornuti comprised of one large faceted cornutus and long digitate cornuti; uncus truncated; valva with one very long apical processes; transtilla with very short sublateral processes or without processes; vinculum with short ventral plate and rather small lateral lobes. Currently the group comprises of two very similar but still different Andean species: one from Argentina ( S. pseudodigitatta Remeikis & Stonis), the other from Bolivia ( S. azulella Diškus & Stonis, sp. nov.) Trophic relationships unknown (host-plant of S. azulella remains unidentified); leaf-mine as a very long and narrow gallery along the leaf-margin).