Figure 5 from: Jiang Z, Liu J, Qin D (2019) Sperm ultrastructure of Pochazia shantungensis (Chou & Lu) and Ricania speculum (Walker) (Hemiptera, Ricaniidae) with phylogenetic implications. ZooKeys 880: 43-59. https://doi.org/10.3897/zookeys.880.32810

Figure 5 TEM and light micrographs of spermatozoon and spermatodesms of R. speculum. A Light micrograph of spermatodesm B light micrograph of spermatozoon with the head (H, arrow) and flagellum (F) C, D cross-sections of the oval nucleus (N), showing the acrosome (a) and homogenous matrix (ma). Scale bars: 50 µm (A); 20 µm (B); 0.5 µm (C); 2 µm (D).