Stigmella glutinosae, leafmines on Betula, confirmed by DNA barcoding, except 57. 53. France, Le Mans, 7 Oct. 2017, B. pubescens, 6 mines, 4♂ 1♀ emerged, left mine, near cross, incomplete, larva taken for barcoding, EvN no 2017150-3K/M; 54. France, Villeneuve-sur-Cher, 30 Jul. 2009, larva taken from mine, B. pendula, EvN no 2009039-M; 55. Russia, Voronezh, 28.viii.2017, B. pendula, dried mines with larvae, larva taken from right mine, RMNH.INS.31158; 56. Russia, Lipetsk Obl., Osman, 28 Aug. 2017, B. pendula, RMNH.INS.31159; 57. Vacated mine, Germany, Berlin, Botanischer Garten, 17 Aug. 1936, B. papyrifera (as B. excelsa), published as Nepticula naturnella by Buhr (1940b: 229). Scale bars: 5 mm (55–57 on same scale).

 
 
  Part of: van Nieukerken EJ (2023) Stigmella naturnella (Klimesch, 1936) (Lepidoptera, Nepticulidae) a fast-spreading European leafminer of Betula, with a revised key to linear leafmines on Betula. Nota Lepidopterologica 46: 37-82. https://doi.org/10.3897/nl.46.99360