FIGURE 2 in Bundles of Sperm: Structural Diversity in Scorpion Sperm Packages Illuminates Evolution of Insemination in an Ancient Lineage

FIGURE 2. Sperm packages of Buthidae C.L. Koch, 1837 (A–E), Chaerilidae Pocock, 1893 (F), Iuridae Thorell, 1876 (G), Euscorpiidae Laurie, 1896 (H, I), and Scorpiopidae Kraepelin, 1905 (J–L), imaged with scanning electron microscopy (A–G, J–L) or light microscopy (H, I). A. Tityus elii Armas and Marcano Fondeur, 1992: absent. B. Isometrus maculatus (DeGeer, 1778): folded. C. Parabuthus granulatus (Ehrenberg, 1831): fusiform. D. Pseudolychas ochraceus (Hirst, 1911): folded. E. Ananteris arcadioi Botero-Trujillo, 2008: block. F. Chaerilus julietteae Lourenço, 2011: absent. G. Protoiurus asiaticus (Birula, 1903): straight. H. Tetratrichobothrius flavicaudis (De Geer, 1778): double bent. I. Megacormus sp., Veracruz, Mexico: spherical. J. Troglocormus ciego Francke, 1981: spherical. K. Scorpiops zubairi Kovařík, 2020: bent. L. Euscorpiops longimanus (Pocock, 1893): spiral. Scale bars: 25 µm.