Areniscythris brachypteris (Lepidoptera: Scythrididae) Oso Flaco Flightless Moth Oso Flaco Dunes, San Luis Obispo County, California August 21, 2015 Larval sand tubes attached to Ambrosia chamissonis (beach bur).
Larval sand tubes attached to Ambrosia chamissonis (beach bur).