Coarazuphium bambui (Carabidae: Zuphiini), a new cave-dwelling beetle from the threatened region of Serra do Ramalho, Brazil.

To date, 20 species of obligate cave-dwelling beetles are known from Brazil, and 12 belong to the Coarazuphium genus. In this paper, we describe Coarazuphium bambui sp. n.

Coarazuphium lundi (Carabidae: Zuphiini), a new Brazilian troglobitic beetle, with the designation of a neotype for C. pains Álvares Ferreira, 2002.

In this paper, we describe Coarazuphium lundi sp. nov., from a single male specimen collected in Gruta 06L cave located in the municipality of Prudente de Morais (Minas Gerais state, Brazil).

A peculiar new beetle from Brazil associated with a cave habitat (Coleoptera, Carabidae, Clivinini).

The new species Ardistomis ferreirai sp. nov. is described and illustrated.

Ultrastructural analysis and polymorphisms in Coarazuphium caatinga (Coleoptera: Carabidae: Zuphiini), a new Brazilian troglobitic beetle.

Coarazuphium caatinga sp. n. occurs in limestone caves located in Campo Formoso municipality, in the Brazilian Caatinga (Bahia, Brazil).