Sphaerosoma

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Cucujiformia
Superfamilia: Coccinelloidea

Familia: Alexiidae
Genus: Sphaerosoma
Species: S. antennarium – S. apuanum – S. bosnicum – S. carniolicum – S. carpathicum – S. corcyreum – S. csikii – S. fiori – S. globosum – S. hemisphaericum – S. laevicolle – S. latitarse – S. leonhardi – S. libani – S. maritimum – S. merditanum – S. meridionale – S. nevadense – S. paganetti – S. piliferum – S. pilosissimum – S. pilosum – S. punctatum – S. rambouseki – S. reitteri – S. scymnoides – S. seidlitzi – S. shardaghense – S. solarii – S. sparsum – S. sturanyi – S. vallombrosae – S. winneguthi
Name

Sphaerosoma Stephens, 1832: 391

Type species: Sphaerosoma quercus Stephens, 1832 (= Tritoma pilosa Panzer, 1793), by monotypy.
Synonyms

Sphaerosoma Samouelle, 1819: 394 (nomen nudum)
Alexia Stephens, 1833: 23
Type species: Tritoma piliferum Müller, 1821
Hygrotophila Chevrolat in Dejean, 1836: 431
Type species: Tritoma piliferum Müller, 1821, by monotypy.
Lamprosphaerula Apfelbeck, 1910: 41 (as subgenus)
Type species: Phalacrus globosus Sturm, 1807
Neosphaerula Apfelbeck, 1910: 41 (as subgenus)
Type species: Alexia laevicollis Reitter, 1883, by original designation.
Arthrosphaerula Apfelbeck, 1915: 425
Type species: Alexia bosnica Reitter, 1885

References
Primary references

Apfelbeck, V. 1910. Beitrage zur Kenntnis der Kaferfauna der Balkanhalbinsel. Pp. 40–42. In: Bericht der Sektion fur Koleopterologie. Versammlung am 3. February 1910. Verhandlungen der Kaiserlich-Koniglichen Zoologisch-Botanischen Gesellschaft in Wien 60: 40–49. BHL
Apfelbeck, V. 1915. Revizija vrsta roda Sphaerosoma Leach balkanskog poluostrva ( Col. ). Glasnik Zemaljskog Muzeja u Bosni i Hercegovini 27: 407–429. [not seen]
Chevrolat, L.A.A. 1836. [new taxa]. In: Dejean, P.F.M.A. Catalogue des Coléoptères de la collection de M. le comte Dejean. Deuxième édition. [Livraison 5]. Paris: Méquignon-Marvis Père et Fils. pp. 361–443. BHL. Reference page.
Samouelle, G. 1819. The entomologists' useful compendium; or an introduction to the knowledge of British Insects, comprising the best means of obtaining and preserving them, and a description of the apparatus generally used; together with the genera of Linné, and modern methods of arranging the Classes Crustacea, Myriapoda, spiders, mites and insects, from their affinities and structure, according to the views of Dr. Leach. Also an explanation of the terms used in entomology; a calendar of the times of appearance and usual situations of near 3,000 species of British Insects; with instructions for collecting and fitting up objects for the microscope. Thomas Boys, London, 496 pp., 12 pls. BHL. Reference page.
Stephens, J.F. 1831–1832. Illustrations of British entomology; or, a synopsis of indigenous insects: containing their generic and specific distinctions; with an account of their metamorphoses, times of appearance, localities, food, and economy, as far as practicable. Mandibulata, Vol. IV. London: Baldwin & Cradock, 413 pp., pls. 20–23. [published in parts: pp. 1–366, 1831; 367–413, 1832] BHL Reference page.
Stephens, J.F. 1833. The nomenclature of British insects; together with their synonymes: being a compendious list of such species as are contained in the Systematic Catalogue of British Insects, and of those discovered subsequently to its publication; forming a guide to their classification, &c. &c. Second edition. iv + 134 pp. London: Baldwin and Cradock. Google Books. Reference page.

Additional references

Apfelbeck, V. 1916. Zur Kenntnis der Gattung Sphaerosoma Leach ( Col. ). Revision der Arten von der Balkanhalbinseln. Annales Historico-Naturales Musei Nationalis Hungarici 14: 471–500. BHL.
Champion, G.C. 1887. On the priority of various generic names in use in British Coleoptera. Entomologist's Monthly Magazine 23: 227–230. BHL.

Links

Sphaerosoma sp. (Alexiidae) - atlas of beetles of Russia
Zicha, Ondřej et al. Sphaerosoma (Coleoptera) – Taxon details on Biological Library (BioLib).