Michat, M. C. “Description of the Larvae of Three Species of Laccophilus Leach and Comments on the Phylogenetic Relationships of the Laccophilinae (Coleoptera: Dytiscidae)”. Zootaxa, vol. 1922, no. 1, Nov. 2008, pp. 47–61, doi:10.11646/zootaxa.1922.1.4.