Anisopterous odonate male's secondary genitalia is a complex of several structures, among them the vesica spermalis is the most informative with important specific characters. The observation of those characters, mostly ...

The final instar larva of Limnetron antarcticum Förster is described and illustrated for the first time based on one specimen collected in Misiones Province, Argentina. It is compared with L. debile (Karsch). Color pattern ...

Ischnura ultima Ris, 1908 is recorded for the first time from Buenos Aires Province, Argentina, 750 km southeast from the southernmost previous known localities (Córdoba Province). This finding supports a stronger ...

The first Argentine area surveyed from an odonatological point was Delta del Paraná (DP), a large wetland area of 14,000 km2 between Buenos Aires and Entre Ríos provinces, close to Buenos Aires city. This area has a typical ...

A redescription of the male of Erythrodiplax chromoptera (Odonata: Libellulidae) is provided based onspecimens collected in Misiones, Entre Ríos and Buenos Aires provinces, Argentina. The morphology ofthe vesica spermalis ...

An updated checklist of the 282 species of Odonata known to occur in Argentina is presented along with distributional information by province and ecoregion. Ten new records for the country and 87 new provincial records are ...