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Photos / Sounds

What

Stiletto Flies Family Therevidae

Observer

shaun-winterton

Date

August 17, 2009 07:55 PM PDT

Photos / Sounds

What

Stiletto Flies Family Therevidae

Observer

shaun-winterton

Date

August 17, 2009 07:55 PM PDT

Photos / Sounds

What

Stiletto Flies Family Therevidae

Observer

shaun-winterton

Date

August 17, 2009 07:54 PM PDT

Description

Dune with tracks of therevidae larva evident

Photos / Sounds

What

Stiletto Flies Family Therevidae

Observer

shaun-winterton

Date

August 17, 2009 07:55 PM PDT

Description

Therevidae larva. Dawn on the sand dune: The cool night has left the sand wet and firm to about 10mm depth. The wriggly lines in sand are tracks of Stiletto fly larvae moving just below the surface throughout the night. The larva occasionally breaks the surface (see holes) or reverses along their own track. The larva could be dug out easily at the end of a track.

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