Taxonomy of Labena Cresson, 1864 (Hymenoptera: Ichneumonidae: Labeninae) from Brazil, with description of two new species

Darwin wasp Labena Cresson, 1864 (Hymenoptera: Ichneumonidae: Labeninae) is poorly represented in Brazil, with only five species recorded. This work expands knowledge of this genus in Brazil, based on 12 species, including two new species: Labena larae sp. nov., Labena fusca sp. nov., Labena humida Gauld, 2000, Labena polemica Gauld, 2000, Labena guanacasteca Gauld, 2000, Labena litorallis González-Moreno, Bordera & Sääksjärvi, 2015, Labena morda Gauld, 2000, Labena iquitosica Sääksjärvi, Bordera & González-Moreno, 2010, Labena zerita Gauld, 2000, Labena espinita Gauld, 2000, Labena lachryma Gauld, 2000, and Labena pluvia Gauld, 2000.

The first records were for the following Brazilian states: Amapá, Amazonas, Maranhão, Minas Gerais, Pará, Rio de Janeiro, Rondônia, Roraima and São Paulo. We also provide additional information for diagnoses the species and an identification key.