FIGURE 5 in Taxonomic revision of the genus Ponera Latreille, 1804 (Hymenoptera: Formicidae) of Taiwan and Japan, with a key to East Asian species

FIGURE 5. Average head width of 32 Ponera species from the East Asia. Error bars are the range (Taylor 1967; Terayama 1986; Xu 2001a, b; Zhou 2001; Terayama 2004; Wong 2009; Yoshimura et al. 2009). Color of point refers to known distribution, extracted from antmaps.org, 2017. The zoogeographic definition refers to Holt et al. (2013).