File:Oct-fig04.jpg

Longino, J. T. 2013. A revision of the ant genus Octostruma Forel 1912 (Hymenoptera, Formicidae). Zootaxa. 3699:1-61. doi:10.11646/zootaxa.3699.1.1

Figure 4. Face of Octostruma obtusidens, showing worker without (A) and with (B) layer of adhering soil.