Stigmella species, adult habitus. 1 S. multispicata, male, USA, Indiana, RMNH.INS.24511 2 S. multispicata, female, USA, Indiana, 10.viii.2010 3 S. ulmivora, male, Netherlands, RMNH.INS.15496 4 S. ulmivora, female, Netherlands, RMNH.INS.15497. Scale bars 1 mm. Photographs C. Doorenweerd (1), E.J. van Nieukerken.