Sitona californius
(Fahraeus, 1840)
Sitona californius is a of broad-nosed weevil in the Curculionidae, native to western North America. The species has been documented as prey for the Cerceris sextoides. Its name has frequently been misspelled as 'californicus' in scientific literature.


Pronunciation
How to pronounce Sitona californius: /sɪˈtoʊnə kælɪˈfɔːrniəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
Found in the western United States, including California, and extreme south-central British Columbia. Range extends inland through Idaho, northwest Utah, and northern Nevada.
Seasonality
Active from May to October.
Ecological Role
Recorded as prey for the weevil wasp Cerceris sextoides, a solitary that paralyzes weevils to provision its nests.
Misconceptions
The name has often been misspelled as 'Sitona californicus' in scientific and popular sources.
More Details
Taxonomic Note
GBIF lists Sitona californius as a synonym of Sitones californius, though most sources use the Sitona.
Prey Record
Documented as one of two weevil (along with Trigonoscuta pilosa) recorded as prey for Cerceris sextoides.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Bug Eric: Wasp Wednesday: Cerceris sextoides
- Desmocerus californicus californius Archives - Entomology Today
- Sitona lineatus Archives - Entomology Today
- Clover Root Curculio: Historic Perspectives Guide Modern Management
- Sex Attraction Pheromone Improves Detection of a Threatened Beetle
- Complexity Untangled: For Plant Defenses, Pest Attack Order Matters