Keys used for
this identification

Legs Tibiae spurs 2-2-4

Maxillary palp (MXP) worn like a mask in front of the face
[MXP is larger in S.flavicorne]

Genitalia details (male)

Genitalia details (male)

THE SILBERBACH BENTHOS REPORT

Species Sericostoma personatum

There were good sized sedges flying around, and on a rock I found this one. It was be born with malformed wings and it could not fly.