Long-legged fly of the genus Tachytrechus on Silene rupestris

Photo: Probably Long-legged fly of the genus Tachytrechus on Silene rupestris. View from above.
Description: Probably Long-legged fly of the genus Tachytrechus on Silene rupestris. View from above.
L Habitat: Dry grassland in glacier foreland. Small watercourse nearby. Covered by ice until about 2006. Altitude: about 1900m a.s.l.
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Fly
Lat.: Tachytrechus
Family: Dolichopodidae
Genus: Tachytrechus

Flower
Lat.: Silene rupestris
Family: Asteraceae
Genus: Silene
Location: Bernese Oberland, Switzerland
Date Month/Year: 7.2021
Photographer: Simon Oberli, Hasle-Rüegsau
Number: F186168