Glossary of terminology, part III A head in full-face view B head in lateral view C mandibles and the anterior area of the clypeus in dorsal view D labrum and retracted maxillolabial complex in ventral view E maxillolabial complex in central view; labial palps highlighted in green, maxillary palps in orange. Abbreviations: ant, antenna; bm, basal margin of the mandible; cl, clypeus; es, epistomal sulcus; ga, galea; gl, glossa; lbr, labrum; lm, lateral margin of the mandible; md, mandible; mm, masticatory margin of the mandible; plb, labial palps; pm, premental shield; pmx, maxillary palps; sc, scape; st, stipes; tol, torular lobe; trm, torular median arch. Illustrations by FA Esteves (A, B, C, E), and modified from artwork by Jessica Huppi (D).