51 species north of Mexico; 428 species worldwide (1)
Dr. Erik van Nieukerken explains in his identification of Stigmella prunifoliellahere "Difference between Ectoedemia and Stigmella: Stigmella has a collar of lamellar scales, here concolorous with the thorax (between the eyecaps), whereas Ectoedemia and other genera have a small collar consisting of hair scales."
Newton, P. J. and Wilkinson, C. (1982), A taxonomic revision of the North American species of Stigmella (Lepidoptera: Nepticulidae). Systematic Entomology, 7: 367–463. doi: 10.1111/j.1365-3113.1982.tb00455.x
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