The movie shows three mating attempts including the two species Acilius sulcatus and Acilius canaliculatus, where the first two attempts are followed by matings, while in the third the female escapes.
Bergsten J, Miller K
CC BY 2.5
Video S1 from <cite style="font-style:normal">Bergsten J, Miller K (2007). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1885976">Phylogeny of Diving Beetles Reveals a Coevolutionary Arms Race between the Sexes</a>". <i>PLOS ONE</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0000522">10.1371/journal.pone.0000522</a>. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/17565375">17565375</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1885976">1885976</a>.</cite>