Figs. 5–10 in Horelophus walkeri rediscovered: adult morphology and notes on biology (Coleoptera: Hydrophilidae)

Figs. 5–10. Habitats of Horelophus walkeri Orchymont, 1913. 5–6 – Marlborough, Dead Horse Creek, 30.xi.2010 (5 – R. Leschen collecting specimens walking on rock steps; 6 – general view of the exposed part of Dead Horse Creek where H. walkeri occurred); 7–9 – Nelson, Deepwater Creek, 2.xii.2010 (7 – general view of the small streamlet on which side the specimens were found, see black arrows; 8–9 – details of the microhabitats where H. walkeri occurred); 10 – Marlborough, Pelorus Bridge, 28.xii.1984, A. Newton collecting H. walkeri at the side of the waterfall. Photos by M. Fikáček (5–9) and M. Thayer (10).