Stigmella species, male genitalia in ventral view. 7, 8, 12 S. multispicata, slide EvN4511, RMNH.INS.24511 9 S. multispicata, slide JCK8417 10, 11, 13 S. ulmivora, slide VU0440, RMNH.INS.20440. 12 and 13 show the difference in transtilla. Scale bars: 100 μm. Photographs E.J. van Nieukerken.

 
 
  Part of: van Nieukerken EJ, Gilrein DO, Eiseman CS (2018) Stigmella multispicata Rociene. & Stonis, an Asian leafminer on Siberian elm, now widespread in eastern North America (Lepidoptera, Nepticulidae). ZooKeys 784: 95-125. https://doi.org/10.3897/zookeys.784.27296