Cercidia
Thorell, 1869
Species Guides
1- Cercidia prominens(Carmine Orbweaver)
Cercidia is a of orb-weaver spiders in the Araneidae, first described by Tamerlan Thorell in 1869. The genus was originally named Cerceis by Anton Menge in 1866, but this name was preoccupied by a crustacean genus. As of December 2025, Cercidia contains three : C. prominens, C. punctigera, and C. levii. The genus is distinguished by distinctive morphological features including a spiny and an enlarged .
Pronunciation
How to pronounce Cercidia: /sɛrˈsɪdiə/
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Identification
Cercidia can be distinguished from other Palearctic araneid by two key features: a bearing spines, and a approximately 2.5 times the size of the . In related genera, the clypeus is less than or equal to the diameter of the median eyes.
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Distribution
Recorded from Denmark (DK), Norway (NO), and Sweden (SE).
More Details
Etymology
The name is derived from the Greek κερκίς (kerkis), meaning 'shuttle'.
Taxonomic history
In 1975, Herbert Walter Levi recognized only C. prominens as a certain member of the and expressed doubt about C. punctigera's placement. C. levii was not described until 1985.