Sphaericus gibboides
(Boieldieu, 1854)
humped spider beetle
Sphaericus gibboides, commonly known as the humped , is a of spider beetle in the . The species has a broad geographic distribution spanning Africa, Australia, Europe and Northern Asia (excluding China), and North America. It is one of approximately 50 species in the Sphaericus, which are characterized by their compact, rounded body form. The specific epithet 'gibboides' refers to the humped or gibbous shape of the body.
Pronunciation
How to pronounce Sphaericus gibboides: /ˈsfɛrɪkʊs ɡɪˈbɔɪdiːz/
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Identification
The humped body profile distinguishes Sphaericus gibboides from flatter in related . Within the genus Sphaericus, identification requires examination of microscopic characters including antennal structure, pronotal shape, and elytral . The specific epithet 'gibboides' directly references the humped appearance, which may aid in field recognition of this species relative to with less pronounced convexity.
Distribution
Documented from Africa, Australia, Europe and Northern Asia (excluding China), and North America. GBIF records include specific localities in the Azores (Flores, Santa Maria) and British Columbia, Canada.
Similar Taxa
- Other Sphaericus speciesApproximately 50 congeneric share the compact rounded body form; microscopic examination required for definitive separation
- Ptinus and related generaOther lack the strongly humped body profile characteristic of Sphaericus gibboides
More Details
Taxonomic Status
GBIF lists Sphaericus gibboides as a synonym of Sphaericus pinguis, indicating taxonomic uncertainty or pending revision in this group.
Etymology
The specific epithet 'gibboides' derives from Latin 'gibbus' (hump) and Greek '-oides' (resembling), directly describing the ' humped appearance.