SEMs of the egg teeth of Protodermaptera. 14 Diplatys flavicollis (Diplatyidae) (reposted from Shimizu and Machida 2011b: fig. 9B’, C). 14A Frontal view, posterior to the top. 14B Lateral view, posterior to the right. 15 Cranopygia sp. (Pygidicranidae). 15A Lateral view, posterior to the right. 15B Enlarged image. 16 Echinosoma sp. (Pygidicranidae). 16A Lateral view, posterior to the right. 16B Enlarged image. 17 Parapsalis infernalis (Pygidicranidae). Lateral view, posterior to the right. – Abbreviations: Ce – cercus; ET – egg tooth; Fr – frons; HP – horn-shaped projection; MD – minute denticle; MDR – median denticulate ridge; PMP – posterior major process; SP – small protuberance. – Scale bars: 14A, B, 15A, 16A, 17 – 20 μm; 15B, 16B – 5 μm.