Fig. 4. Male morphology. A–C. Abdominal sternum IX in Contributions to the knowledge of Formicidae (Hymenoptera, Aculeata): a new diagnosis of the family, the first global male-based key to subfamilies, and a treatment of early branching lineages

Fig. 4. Male morphology. A–C. Abdominal sternum IX in ventral view. B. Oblique. D–E. Petiole in lateral view. F. Forewing in dorsal view. G–H. Propodeum in lateral view. — A. Aenictogiton indet. (Zambia, CASENT0106126, M. Branstetter). B. Cerapachys "parasyscia" lineage (Kenya, B. Boudinot). C. Emeryopone buttelreepeni (Thailand, CASENT0278779, B. Boudinot). D. Paraponera clavata (?Panama, B. Boudinot). E. Cerapachys lividus (Madagascar, CASENT0138502, D. Raharinjanahary). F. Phaulomyrma indet. (Thailand, UCRENT150358, A. Nobile). G. Leptanillinae indet. (Thailand, CASENT0156249, B. Boudinot); arrow indicates dorsal margin of petiolar foramen. H. Adelomyrmex dentivagans; arrow indicates propodeal lobe. All scale bars = 0.2 mm, except D–E = 1.0 mm.