FIGURES 18–32 in The old-world Zygonini tr. nov. (Hemiptera, Cercopoidea, Clastopteridae), with new taxa from the related Machaerotinae

FIGURES 18–32. Antennae of Clastopteridae: Clastopterinae (18–20) and Machaerotinae: Hindolini (21–23), Machaerotini (24–25) and Zygonini (26–32, boxed set). A, lateral aspect of head; B, detail of antennal and antenna ledge; C, tip of antenna, showing postpedicel; D, detail of postpedicel showing detail of pits, revealing 4 enclosed coeloconic sensilla in communal pits. 18, Clastoptera; 19, Sepullia; 20, Grellaphia; 21, Chaetophyes; 22, Hindola; 23, Allox; 24, Blastocaena; 25, Irridiculum; 26, Pseudomachaerota cucullata; 27, Zygon, with detail showing basiconic sensilla (b) and coeloconic sensilla (c) of various types (shown in greater detail in Fig. 38); 28, Ambonga lanceolata (Zygonini); 29, Ambonga apicenotata syntype with insert showing sensilla at base of arista; 30, Pseudoclastoptera irrubesco sp.nov., holotype; 31–32, Pseudoclastoptera invidia sp.nov., male holotype (32) and unassociated female (31).