Abstract
The article describes the larva, pupa, adults and karyotype of Chironomus reissi, sp. n., which live on leaf detritus beds of small temporary waters in the southeast of Brazil. The species belongs to the pseudothummi cytocomplex with the chromosome arm combination AE, BF, CD, G.
Acknowledgments
The first author received a grant from FAPESP (00/01548-0) within the BIOTA/FAPESP—The Biodiversity Virtual Institute Program (www.biota.org.br). The third author received a grant (No. 903) from the Bulgaria Ministry of Education and Sciences (Sofia). Thanks to Jon Martin and Martin Spies for their important comments and suggestions. Thanks are also due to Fabio O. Roque for help during the fieldwork and to the Programa de Pós-Graduação em Ecologia e Recursos Naturais (PPG-ERN/UFSCar).