Eulonchus sapphirinus Osten Sacken. Paralectotype male. Body length: 9.0 mm.

 
 
  Part of: Borkent CJ, Gillung JP, Winterton SL (2016) Jewelled spider flies of North America: a revision and phylogeny of Eulonchus Gerstaecker (Diptera, Acroceridae). ZooKeys 619: 103-146. https://doi.org/10.3897/zookeys.619.8249