FIGURES 1–4 in Phylogenetic relationships of Elateridae inferred from adult morphology, with special reference to the position of Cardiophorinae

FIGURES 1–4. Frontoclypeal area of Elateroidea (scale bar = 0.5 mm). 1, Onichodon orchesoides Newman, (anterodorsal view); 2, Selenodon speratus Fall, (anterodorsal view); 3, Cardiophorus convexus (Say), (anteroventral view); 4, Cardiophorus gramineus (Scopoli), (dorsal view). CE = compound eye; SC = supra-antennal carina; SG = supra-orbital groove.