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Species Bolbocerosoma ritcheri

Bolbocerosoma ritcheri - male - female Bolbocerosoma ritcheri - male - female Bolbocerosoma ritcheri - male - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Geotrupidae (Earth-Boring Scarab Beetles)
Subfamily Bolboceratinae
Genus Bolbocerosoma
Species ritcheri (Bolbocerosoma ritcheri)
Explanation of Names
Bolbocerosoma ritcheri Howden, 1955
patronym in honor of Dr. Paul O. Ritcher (1910-1991) (1)
length 7.7 to 9.5 mm (based on 3 spmns examined) (1)
Howden's last couplet:
Pronotum and elytra with a few short hairs; lateral margins of pronotum without any trace of black; only lateral portions of posterior margin of pronotum black (1)
s. TX (1)(2)
described by Howden from 3 spmns collected in Brownsville, Cameron Co., Texas (1)
See Also
separated from other Bolhocerosoma by the following characteristics:
sparse short erect yellow hairs scattered over pronotum and elytra,
elytral margins black for their entire length,
elongate postmedian elytral spot well separated from both black sutural stripe and margin, and
punctures of elytral striae very deep, sharply delimited, with their edges rimmed with black. (1)
Print References
Anonymous. 1991. Paul Ritcher 1910-1991. Bulletin of the Oregon Entomological Society 116: 798.
Works Cited
1.Biology and taxonomy of North American beetles of the subfamily Geotrupinae, with revisions of the genera....
H.F. Howden. 1955. Proceedings of the United States National Museum, 104(3342): 151-319, plates 1-18.
2.An annotated checklist of the Scarabaeoidea of Texas.
Edward G. Riley & Charles S. Wolfe. 2003. Southwestern Entomologist, Supplement. 37 pp.