A bibliography of significant taxonomic papers on Elmidae (Coleoptera, Polyphaga, Byrrhoidea), and a checklist of valid species and subspecies and their geographic distributions are provided. Forty-seven genera and 430 valid species are included. Maps show the geographic distribution of the genera by country.
A list of Elmidae species from Amazon is presented. The list was prepared based on a literature survey and examination of the entomological collection of Instituto Nacional de Pesquisas da Amazônia (INPA). The list includes 102 species, with ten new occurrences recorded, being one for the Amazon (which includes areas of Brazil, Bolivia, Colombia, Guyana, French Guyana, Peru, Suriname and Venezuela) three for the Amazonas state, and six for other localities in Brazil. Reports about species bibliography contents were also included, as well as available species municipalities distributional data.
Macrelmis is a genus distributed in the Palearctic, Nearctic and Neotropical regions. Currently there are 40 species, 20being recorded from Brazil but only two from Rio de Janeiro State. Herein two new species of Macrelmis are describedand figured: Macrelmis fluminensis sp. nov. and Macrelmis friburguensis sp. nov. A new record of Macrelmis isis from Rio de Janeiro State is given.
The genus Austrolimnius Carter & Zeck has its greatest known diversity in Oceania, but its fauna in the Americas is poorlyknown. In this paper, two new species—Austrolimnius uncatus sp. nov. and A. bocainensis sp. nov.—are described and illus-trated based on adult specimens collected at Serra da Bocaina National Park, São José do Barreiro Municipality, São PauloState, and Nova Friburgo Municipality, Rio de Janeiro State, Brazil. Austrolimnius uncatus sp. nov. is characterized by the longsetae on the mesotarsus, the medial expansion of the hind tibiae, and the hook-like shape of the male genitalia. Austrolimniusbocainensis sp. nov. can be recognized by the absence of setae on the mid-tarsus, the cylindrical hind tibiae, and the slightlycurved genitalia with few setae. A pictorial key for the Brazilian species of the genus is given. New records of Brazilian species of the genus are reported.
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