Abstract
The Neotropical species Parvalona parva (Daday, 1905) was previously reported only from two localities (Northern Argentina and Lençóis Maranhenses, Brazil). In the present paper, seven new records of P. parva from Brazil are presented. The specimens were collected from small waterbodies located in the Federal District and the states of São Paulo, Pará, and Pernambuco. These new records suggest that this species is not as rare as previously believed. The male, sexual female, and the lateral head pores of parthenogenetic females are described and illustrated for the first time.
Highlights
Until recently, the only known specimens of Parvalona parva (Daday, 1905) were those of Daday
Maranhenses, Northeast Brazil, and giving the scarcity of records, suggested that P. parva was a rare South American species. The existence of these Brazilian records indicates that this taxon has a broader distribution than was previously thought
At least partially, the lack of records could result from the poor knowledge on cladoceran fauna in South America
Summary
The only known specimens of Parvalona parva (Daday, 1905) were those of Daday. Maranhenses, Northeast Brazil, and giving the scarcity of records, suggested that P. parva was a rare South American species. The existence of these Brazilian records indicates that this taxon has a broader distribution than was previously thought. At least partially, the lack of records could result from the poor knowledge on cladoceran fauna in South America
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