All drawings are made by the author and most are published earlier. Most of the photographs are made by the author, some are with permission taken from other publications and some specially made on request.
For papers published in Entomologische Berichten Amsterdam, The Coleopterists Bulletin and ZooKeys the copyright belongs to the author(s).
Manfred Jäch gave permission to use my own pictures published in Koleopterologische Rundschau Vol. 67 (1997): 119–120 (Mazzoldi, P. & B.J. van Vondel), Vol. 78 (2008) : 69–194 (B.J. van Vondel) and Vol. 86 (2016): 51–59 (B.J. van Vondel); Water Beetles of China 1 (1995): 111–154, Vol. 3 (2003): 289–294; and Water Beetles of New Caledonia 1 (2010): 237–242 (L. Hendrich & B.J. van Vondel).
Keith Maguire gave permission to use my own figures published in Records of the South Australian Museum Vol. 28: 61–101.
Tanja Cowell (De Gruyter Brill) gave permission to use my own pictures published in Tijdschrift voor Entomologie Vol 134 (1991): 75–144, Vol 135 (1992): 275–297, Vol 136 (1993): 289–316, Vol 149 (2006): 227–273 (Vondel, B.J. van, M. Holmen & P. Petrov), Vol 151 (2008): 141–143, Vol 152 (2009): 333–338, Vol 153 (2010): 239–314, Vol 155 (2012): 57–66 (Vondel, B.J. van & J. Bergsten), Vol 157 (2014): 137–144. Vol 161 (2018): 3–10, Vol. 163 (2021): 101–298, Vol 164 (2021): 77–90 (Vondel, B.J. van & K. Matsumoto), Vol 166 (2023): 117–124.
All photographs are made by the author with the following exceptions:
Haliplus (Australiplus) sindus (courtesy of Chris Watts Adelaide, Australia)
Haliplus (Haliplus) kirgisiensis (courtesy of Jaakko Mattila & Pekka Malinen, Finish Museum of Natural History, Helsinki, Finland)
Haliplus (Haliplus) morii (courtesy of Hiroyuki Yoshitomi, Matsuyama, Japan)
Haliplus (Liaphlus) brasiliensis (courtesy of Michael Balke and Katja Neven, Zoologische Staatssammlung München, Germany)
Haliplus (Liaphlus) diopus (courtesy of Christophe Rivier and Antoine Mantilleri , Musée National d’Histoire Naturelle Paris, France)
Haliplus (Liaphlus) ferrugineus (courtesy of Chris Watts, Adelaide, Australia)
Haliplus (Liaphlus) figuratus (courtesy of Jaakko Mattila & Pekka Malinen, Finish Museum of Natural History, Helsinki, Finland)
Haliplus (Liaphlus) fiorentini (courtesy of Cesar Benetti, Manaus, Brasil)
Haliplus (Liaphlus) perroti (courtesy of Christophe Rivier and Antoine Mantilleri , Musée National d’Histoire Naturelle Paris, France)
Haliplus (Liaphlus) peruanus (courtesy of Michael Balke and Katja Neven, Zoologische Staatssammlung München, Germany)
Haliplus (Liaphlus) regili (courtesy of Cesar Benetti, Manaus, Brasil)
Haliplus (Paraliaphlus) alberti (courtesy of Yoandri Megna, Zoologische Staatssammlung München, Germany)