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Trashline orb weaver (Cyclosa conica)
Cyclosa conica is one of the Golden State's three trashline orb weavers, all of which are so-named for the vertical trails of debris attached through the centers of their webs. This uniquely-shaped spider will traverse its orb web to catch prey, but will quickly return to the hub (center) to blend in with the string of detritus.
Trashline orb weaver (Cyclosa conica) and signature "trash line" comprised of prey remains. Mount Burdell Open Space Preserve, Marin County, California, USA.
Trashline orb weaver (Cyclosa conica), lateral view emphasizing the spider's unique abdominal shape. Mount Burdell Open Space Preserve, Marin County, California, USA.
Trashline orb weaver (Cyclosa conica), high magnification close-up of female with prey at hub of web. Note the stabilimenta (web decorations) above and below the spider. Black Diamond Mines Regional Preserve, Antioch, Contra Costa County, California, USA.
Next Spider: Western parson spider (Herpyllus propinquus)
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All images copyright Timothy Boomer. All rights reserved worldwide.