Dorsal view of the head and its appendages of a phlebotomine female: cl – clypeus; fI – 1st flagellomere; fII – 2nd flagellomere; hy – hypopharynx; ml – maxillary lacinia; lb – labium; le – labrum-epipharynx; md – mandible; pe – pedicel; pha – pharynx; p1 – 1st palpal segment; p2 – 2nd palpal segment; p3 – 3rd palpal segment; p4 – 4th palpal segment; p5 – 5th palpal segment; sc – scape; most frequently used measurements: eL – eye length; eW – eye width; clL – clypeus length; fIL – 1st flagellomere length; heL – head length; hW – head width; ioD – interocular distance; pL – palpus length – Nyssomyia intermedia.