Stigmella naturnella, male genitalia, ventral aspect. 9, 10. Slide EvN5268; 11, 12. Slide EvN5341; 13. Genitalia without valvae and phallus, slide EvN3302; 14. Phallus, slide EvN3303. Scale bars: 100 µm (9–12 top left, 13, 14 top right).

 
 
  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