Proceratium mayri Forel, 1899 junior synonym of current valid taxon Proceratium algiricum Forel, 1899
Proceratium (Sysphincta) mayri [sic] Forel, 1899c: 306 (w.) GREECE (Corfu). Palearctic.
Primary type information: Type-material: 3 syntype workers. Type-locality: Greece: Corfu (J. Sahlberg). Type-depositories: MHNG, MSNG. Type notes: This taxon was first recorded by Forel, 1889: 259, as the major worker caste (“soldier”) of Proceratium europaea Forel, 1886e (misidentification). Baroni Urbani & de Andrade, 2003a: 219, confirmed the identity of the type-material.
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