Stigmella species, adult habitus. 1 S. gallicola, male holotype 2 S. gallicola, female Heredia Province, Puerto Viejo de Sarapiquí 3 S. schinivora, male holotype 4 S. schinivora, female RMNH.INS.24681 5 S. costaricensis, male holotype 6 S. intronia, male holotype 7 S. molinensis, male holotype 8 S. molinensis, female RMNH.INS.24219. Scale bars: 1 mm.