Berchi, G. M. “Checklist and Distribution of the Family Notonectidae in Romania, With the First Record of Notonecta maculata Fabricius, 1794 (Hemiptera: Heteroptera: Nepomorpha)”. Zootaxa, vol. 3682, no. 1, June 2013, pp. 121–132, doi:10.11646/zootaxa.3682.1.5.