Fig. 14 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)

Fig. 14. Histological sections of heads of Brachyponera luteipes (A,B) and Brachyponera chinensis (D,E). All sections transverse. — Orientation: ↓ ventral.— Abbreviations: 0an2 – M. tentorioscapalis posterior; 0an3 – M. tentorioscapalis lateralis; 0bu1 – M. clypeobuccalis; 0bu5 – M. tentoriobuccalis posterior; 0ci1b – M. clypeopalatalis, paired portion; 0hy3 – M. tentoriohypopharyngalis; 0la5 – M. tentoriopraementalis; 0md1 – M. craniomandibularis internus; 0md1sf – M. craniomandibularis internus, direct fibers; 0md3 – M. craniomandibularis externus; 0mx3 – M. tentoriocardinalis; ata – anterior tentorial arm; bt – buccal tube; cc – cardinal condyle; cd – cardo; epk – epipharyngeal keel; esr – epistomal ridge; ll – lateral tentorial lamella; ml – mesal tentorial lamella; md – mandible; mda – mandibular apodeme; Mpel – M. pharyngoepipharyngalis, lateral portion; mxg – maxillary gland; oa – oral arm; ph – pharynx; phg – pharyngeal gland; pgr – postgenal ridge; pph – prepharynx; pphg – prepharyngeal gland; pphgo – prepharyngeal gland opening; sc – scapus; svd – salivary duct; toa – torular apodeme.