Abstract
The male and female of Pikelinia tambilloi (Mello-Leitão, 1941) is redescribed from specimens recently collected in Santiago del Estero and Córdoba, Argentina. We report on variability in the internal female genitalia, and newly synonymize Pikelinia toba Ramírez & Grismado with P. tambilloi. The known range of P. tambilloi is thus widely extended. New records of P. kolla Ramírez & Grismado from Argentina are also reported.
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