Figure 4 from: Casiraghi A, Espadaler X, Pérez Hidalgo N, Gómez K (2020) Two additions to the Iberian myrmecofauna: Crematogaster inermis Mayr, 1862, a newly established, tree-nesting species, and Trichomyrmex mayri (Forel, 1902), an emerging exotic species temporarily nesting in Spain (Hymenoptera, Formicidae). Journal of Hymenoptera Research 78: 57-68. https://doi.org/10.3897/jhr.78.51858

Figure 4 Crematogaster inermis. Worker head in frontal view, with abraded mandible denticles. (HW 1.125 mm) (Image X. Espadaler).