FIGURE 8. Siobla species, a–c. S. formosana, a in Revision of the Siobla formosana group (Hymenoptera: Tenthredinidae)

FIGURE 8. Siobla species, a–c. S. formosana, a. Head, ♀, dorsal view; b. Head, ♂, dorsal view; c. Head, ♂, lateral view; d–f. S. fumipennis, d. Head, ♀, dorsal view; e. Head, ♂, dorsal view; f. Head, ♂, lateral view; g–i. S. jiangi, sp. nov., g. Head, ♀, dorsal view; h. Head, ♂, dorsal view; i. Head, ♂, lateral view; j–l. S. zuoae, j. Head, ♀, dorsal view; k. Head, ♂, dorsal view; l. Head, ♂, lateral view; m–n. Mesoscutum and mesoscutellum, m. S. jiangi, sp. nov.; n. S. zuoae. Scale bar = 1 mm.