Figs 19–26 in Revision of the genus Hesperopenna (Coleoptera: Chrysomelidae: Galerucinae). I. Generic redescription, definition of species groups and taxonomy of H. medvedevi species group

Figs 19–26. Last abdominal ventrite of males. 19 – Hesperopenna medvedevi nom. nov.; 20 – H. persimilis (Kimoto, 1989); 21 – H. tibialis (Kimoto, 1989); 22 – H. arnoldi sp. nov.; 23 – H. bonifaci sp. nov.; 24 – H. helferi sp. nov.; 25 – H. sipekorum sp. nov.; 26 – H. zofka sp. nov. Scale bar 1 mm.