Messor planiceps Stitz, 1917 junior synonym of current valid taxon Messor caviceps (Forel, 1902)
Messor planiceps Stitz, 1917: 344, fig. 11 (w.) ALGERIA. Palearctic.
Primary type information: Type-material: syntype workers (number not stated, “a number”). Type-locality: Algeria: Bou Chachbah, 7.i.1912 (v. Geyr). Type-depository: MNHU.
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