Habitat of Copelatus irregularis A Queensland, Paluma Road 4 km west of Bruce Highway, Maiden Hair Fern Creek, 270 m, shady and rocky residual pools with rotten leaves B of C. irregularis and C. nigrolineatus, Queensland, Winfield, Winfield Road, muddy forest pool, rich in rotten leaves, near the street, 21 m. Photographs by L. Hendrich.

 
 
  Part of: Hendrich L, Shaverdo H, H├íjek J, Balke M (2019) Taxonomic revision of Australian Copelatus Erichson, 1832 (Coleoptera, Dytiscidae, Copelatinae). ZooKeys 889: 81-152. https://doi.org/10.3897/zookeys.889.39090