Fig. 3 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)

Fig. 3. SEM micrographs of the antennae and antennal sockets of Formica rufa (B,D,F) and Brachyponera luteipes (A,C,E). A – D: Dorsal view. E,F: Lateral view. — Abbreviations: ac – torular acetabulum; bb – bulbus; bbn – bulbus neck; es – epistomal sulcus; frc – frontal carina; pd – pedicellus; sc – scapus; tol – torular lobe; trl – lateral torular arch.