Figure 2 from: Imada Y, Kato M (2018) Descriptions of new species of Issikiomartyria (Lepidoptera, Micropterigidae) and a new genus Melinopteryx gen. n. with two new species from Japan. Zoosystematics and Evolution 94(2): 211-235. https://doi.org/10.3897/zse.94.13748

Figure 2 Adult heads of Melinopteryx and Issikiomartyria. A: Melinopteryx bilobata sp. n., frontal view; B: ditto, posterior view; C: Issikiomartyria hyperborea sp. n., frontal view. Abbreviations: an = antenna; cl = clypeus; dp = distal prelabium; ess = epistomal sulcus; gl = galea; la = labium; lp = labial palp; md = mandible; mp = mandibular palp; oc = ocellus; os = occipital sulcus; pp = proximal prelabium. Scale bars: 0.5 mm.