Figure 36; Habitat of Copelatus tenebrosus A Northern Territory, Georgetown Billabong, 750 m east of Jabiru East, 30 m, beetles were in very shallow water among the sedges B Queensland, 10 km south of Mizani, Lake Kinchant, beetles were in shallow water among mats of floating grasses, 48 m.
Figure 33; Habitat of Copelatus tenebrosus and C. portior A Queensland, swamp forest at Cape Tribulation Road B shallow and ephemeral swampy puddles with rotten leaves, roots and twigs, Queensland, Cape Tribulation Road.
Figure 19; Copelatus tenebrosus A median lobe in lateral view, right side B median lobe in lateral view, left side C median lobe in ventral view D left paramere in external view. Scale bar: 0.5 mm.