FIGURE 4 in A new species of Oiovelia (Heteroptera: Gerromorpha: Veliidae) from Mesoamerica, with an identification key to the genus

FIGURE 4. Oiovelia spp. (A–I) Dorsal view; (J–L) lateral view of head and thorax. (A) Oiovelia chenae; (B) O. cunucunumana; (C) O. hamadae; (D) O. brasiliensis; (E) O. machadoi; (F) O. viannai; (G) O. pydanieli; (H) O. rivicola; (I) O. spumicola; (J) O. chenae; (K) O. hamadae; (L) O. pydanieli. Figures C, G–L from Rodrigues et al. (2014); D–F from Rodrigues & Moreira (2016).