Cesonia josephus
(Chamberlin & Gertsch, 1940)
Cesonia josephus is a of ground spider in the Gnaphosidae, first described by Chamberlin and Gertsch in 1940. It belongs to a of small, agile spiders commonly known as ground spiders, though many species in this group are frequently encountered on vegetation and structures rather than strictly on the ground. The species is documented from the United States, but detailed natural history information remains sparse in the available literature.



Pronunciation
How to pronounce Cesonia josephus: /sɛˈsoʊniə dʒoʊˈziːfəs/
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Images
Distribution
United States. Specific state records are not documented in available sources.
More Details
Genus-level traits
Members of the Cesonia are small spiders (typically 4-8 mm body length) with relatively short legs compared to body size. They are known for rapid, agile movement and are often found climbing vegetation, walls, and other vertical surfaces despite their of 'ground spiders.' Several in this genus have been documented as of other spiders, including spiderlings in nursery webs of other species.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
- Breathtaking Bluebonnets and Butterflies | Bug Squad
- Bug Eric: Spider v. Spider: A case of predation by Cesonia bilineata (Araneae: Gnaphosidae) upon spiderlings of Pisaurina mira (Araneae: Pisauridae)?
- Bug Eric: September 2010
- Bug Eric: (Wild) Butterfly Magic