Abstract
Five new species and one new genus are described for the purpose of providing names for species
in ecology studies of small terrestrial ground-beetles in Amazonian Brazil and Peru. The taxa are as
follows: Moirainpa amazona, new genus, new species; BRAZIL, Amazonas, Manaus vcn., Rio Solimões,
Curari Island, 03° 15'S 59° 49'W; Polyderis moira, P. ucavali, and P. nympha new species, PERU, Huanuco, Panguana Biological Station, Rio Yuyapichis, 09° 37'S 74° 56'W; P. terra, BRAZIL, Para, Utinga tract near Belém, 01° 27'S 48° 29'W. A key is provided for their identification and distributions
of the taxa summarized.
