FIGURE 4 in Bundles of Sperm: Structural Diversity in Scorpion Sperm Packages Illuminates Evolution of Insemination in an Ancient Lineage

FIGURE 4. Sperm packages of Chactidae Pocock, 1893 (A, B), Vaejovidae Thorell, 1876 (C–F), Heteroscorpionidae Kraepelin, 1905 (G, H), Hemiscorpiidae Pocock, 1893 (I), and Hormuridae Laurie, 1896 (J–L) imaged with scanning electron microscopy (A–J) or light microscopy (K, L). A, B. Uroctonus mordax Thorell, 1876: bent. C, D. Paravaejovis spinigerus (Wood, 1863): bent. E. Graemeloweus glimmei (Hjelle, 1972): bent. F. Vejovoidus longiunguis (Williams, 1969): bent. G, H. Heteroscorpion goodmani Lourenco, 1996: bent/double bent. I. Hemiscorpius lepturus Peters, 1861: bent. J. Hadogenes troglodytes (Peters, 1861): annular. K, L. Hormurus sp., Queensland, Australia: annular, double bent. Scale bars: 25 µm.