Penthetria montanaregis, male, head and thorax. Scale bar: 1 mm.

 
 
  Part of: Skartveit J (2021) A new fossil species of the genus Bibio, with an update on bibionid flies from Baltic and Rovno amber (Diptera, Bibionidae). Deutsche Entomologische Zeitschrift 68(1): 81-99. https://doi.org/10.3897/dez.68.60611