Figs. 25–35 in Horelophus walkeri rediscovered: adult morphology and notes on biology (Coleoptera: Hydrophilidae)

Figs. 25–35. Morphology of Horelophus walkeri Orchymont, 1913. 25 – meso- and metathorax, ventral view; 26 – metanotum; 27 – elytral margin, dorsal view; 29 – elytron, dorsal view; 30 – detail of elytral punctation; 31 – meso- and metafurca, lateral view (part of mesoventrite broken off); 32 – mesofurca, posterior view; 33 – detail of projections of laterotergite 3; 34 – abdominal laterotergites 3–4; 35 – abdomen, ventral view