A new species and a key for the Brazilian species of the genus Heterelmis Sharp, 1882 (Coleoptera: Elmidae, Elminae)

Polizei, Thiago Tadeu Silva

Heterelmis Sharp, 1882, comprises 22 species and subspecies with 3 species assigned to Brazil so far. Here the forth species, Heterelmis debilis sp. nov. from Brazil, is described and illustrated. The type material is deposited in the Museum of Zoology of the University of São Paulo, São Paulo, Brazil (MZSP) and Natural History Museum, London, UK (NHMUK). Additionally, an identification key with distributional data for Brazilian species is proposed.(AU)

1. Neotropical
2. South America
3. Taxonomy
4. Aquatic beetles
5. Riffle Beetles