Bolbocerosoma
Schaeffer, 1906
earth-boring scarab beetles
Species Guides
10- Bolbocerosoma biplagiatum
- Bolbocerosoma bruneri(Bruner's Earth-boring Scarab Beetle)
- Bolbocerosoma confusum
- Bolbocerosoma elongatum
- Bolbocerosoma farctum(Fancy Dung Beetle)
- Bolbocerosoma hamatum
- Bolbocerosoma lepidissimum
- Bolbocerosoma pusillum
- Bolbocerosoma ritcheri
Bolbocerosoma is a of earth-boring scarab beetles in the Geotrupidae. The genus contains approximately 13 described distributed across the Nearctic and Neotropical regions. These beetles are part of the Bolboceratinae, tribe Odonteini. The genus was established by Schaeffer in 1906 and has been subject to taxonomic revision by Howden (1955).



Pronunciation
How to pronounce Bolbocerosoma: //ˌbɒlboʊˌsɛrəˈsoʊmə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of Bolbocerosoma can be distinguished from related by features of the , , and pronotum. The genus is characterized by the presence of odontoid projections on the clypeus and distinctive mandibular structures. Specific identification to level requires examination of male genitalia and detailed morphological features of the pronotum and . The genus is sometimes confused with Bolbocerasoma due to common misspelling in literature.
Images
Distribution
Nearctic and Neotropical regions. The occurs in North America extending into parts of Central America and northern South America.
Similar Taxa
- BolbocerasomaThis is a common misspelling of Bolbocerosoma found in some literature sources, not a distinct .
- GeotrupesBoth are earth-boring scarab beetles in Geotrupidae, but Bolbocerosoma belongs to Bolboceratinae while Geotrupes is in Geotrupinae; Bolbocerosoma has distinctive odontoid clypeal projections not present in Geotrupes.
- EucanthusBoth were revised by Howden (1955) in the same work; Eucanthus lacks the pronounced clypeal projections characteristic of Bolbocerosoma and has different mandibular .
Misconceptions
The name is frequently misspelled as 'Bolbocerasoma' in various sources, including some taxonomic databases. This misspelling has propagated through literature but does not represent a valid alternative name.
More Details
Taxonomic History
The was revised by Henry F. Howden in his 1955 monograph ' and of North American Beetles of the Geotrupinae' published in Proceedings of the United States National Museum. Howden's work remains the primary taxonomic reference for this genus.
Species Diversity
Approximately 13 described are currently recognized in the , though the exact number may vary depending on taxonomic interpretation. Species include B. farctum (Fabricius, 1775), B. tumefactum (Palisot de Beauvois, 1809), B. biplagiatum Dawson and McColloch, 1924, and others.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Geotrupidae | Beetles In The Bush
- Bibliography | Beetles In The Bush
- Biology and Taxonomy of North American Beetles of the Subfamily Geotrupinae, with Revisions of the Genera Bolbocerosoma, Eucanthus, Geotrupes, and Peltotrupes (Scarabacidae)
- Biology and Taxonomy of North American Beetles of the Subfamily Geotrupinae, with Revisions of the Genera Bolbocerosoma, Eucanthus, Geotrupes and Peltotrupes (Scarabaeidae).Henry F. Howden