An adult male specimen of <i>Phosphaenus hemipterus</i> (photographed in Switzerland).
Urs Rindlisbacher
CC BY 3.0
Majka GC, MacIvor JS (2009) The European lesser glow worm, Phosphaenus hemipterus (Goeze), in North America (Coleoptera, Lampyridae). ZooKeys 29: 35–47. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.3897%2Fzookeys.29.279">10.3897/zookeys.29.279</a>