Maria Inês Da Silva Dos Passos

Chaves para identificação dos gêneros de Elmidae (Coleoptera) ocorrentes no Estado do Rio de Janeiro, Brasil

Illustrated keys for identification of larvae and adult of elmid genera from Rio de Janeiro state are presented. Brief morphological characterization for larval and adult forms for each genus are presented.

Insecta, Coleoptera, Elmidae, Amazon region

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 Amazonia (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.

A New Species of Macrelmis Motschulsky from Southeastern Brazil (Coleoptera: Elmidae: Elminae)

Macrelmis tijucana, sp. n. is described and illustrated from a first order stream at the Atlantic Forest in Rio de Janeiro State, southeastern Brazil. This species is similar to M. aequalis (Hinton), M. celsa (Hinton), M. pubescens (Grouvelle), M. salti (Hinton), M. sandersoni (Hinton), M. striata (Sharp), and M. striatoidea (Hinton). Macrelmis tijucana, as well as the cited species, does not have sublateral carinae or distinct impressions on the pronotum. The new species can be distinguished from the elmids cited above by the slightly convex scutellum and the morphology of the male genitalia. Taxonomic and habitat notes on the new species are presented.

Elmidae Curtis, 1830 (Coleoptera, Polyphaga, Byrrhoidea) of the Neotropical region.

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.

Description of a new species of Cylloepus Erichson from southeastern Brazil (Coleoptera, Elmidae)

Cylloepus dorvillei sp. nov. is described and illustrated from a first order stream at the Atlantic Forest in Rio de Janeiro State, Brazil. Taxonomic and habitat notes on the new species are presented.

New species and new records of Xenelmis Hinton (Coleoptera: Elmidae) from Southeastern Brazil.

The genus Xenelmis is found in the Nearctic and Neotropical regions. Currently, seven out of thirteen species are registered from Brazil. Here, two new species of Xenelmis from Brazil are described and illustraded-Xenelmis sinecarina sp. nov. and Xenelmis granatoides sp. nov. Additionaly, X. granata and X. micros are characterized and illustrated.