1. A new concept of the generic composition of the geometrid moth tribe Ennomini (Lepidoptera, Geometridae) based on functional morphology of the male genitalia;Beljaev E.;Entomol. Rev.,2008
2. Diversity of Geometrid Moths in a Montane Rainforest in Ecuador;Brehm G.,2002
3. Three new species of Hagnagora Druce, 1885 (Lepidoptera, Geometridae, Larentiinae) from Ecuador and Costa Rica and a concise revision of the genus;Brehm G.;ZooKeys,2015
4. Revision of the genus Callipia Guenée, 1858 (Lepidoptera, Geometridae), with the description of 15 new taxa;Brehm G.;Eur. J. Taxon.,2018
5. New World geometrid moths (Lepidoptera: Geometridae): Molecular phylogeny, biogeography, taxonomic updates and description of 11 new tribes;Brehm G.;Arthropod Syst. Phylogeny,2019