Monomorium subopacum intermedium Santschi, 1927 junior synonym of current valid taxon Monomorium subopacum (Smith, 1858)
Monomorium (Xeromyrmex) subopacum var. intermedium Santschi, 1927e: 242 (w.) SPAIN (Canary Is). Palearctic.
Primary type information: Type-material: lectotype worker (by designation of Heterick, 2006: 104). Type-locality: lectotype Spain: Canary Is, Lanzarote, Haria, 1000 ft, 8.i.1925 (W.M. Wheeler). Type-depository: MCZC. Secondary type information: Paratype-material: 10 paralectotype workers. Paratype-locality: same as for lectotype. Type notes: Original syntypes were also recorded from Canary Is, Palma, Barranco de las Angustias, ca 1000 ft, vii-viii.1925 (W.M. Wheeler), and from Canary Is, Lanzarote, Uga (W.M. Wheeler).
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