Thread subject: Diptera.info :: Penthetria funebris (Pleciidae/Bibionidae)

Posted by atylotus on 09-12-2019 11:17
#10

besides the much longer abdominal lobes in Penthetria, the number of respiratory openings in the posterior spiracle is different. Based on described species, Penthetria has 1, Bibio 2 and Dilophus has 3 openings.