Taxon classification Animalia Hemiptera Reduviidae
Pnirontis infirma Stal
Pnirontis infirma Stål, 1859: 382.
Diagnosis.
(After Barber 1930) Scapus shorter than pronotum and about twice as long as preocular margin of head. Pronotum almost as wide as long. Antenniferous tubercles shorter, about equal to length of eyes.
Material examined.
Chaco: 1♀ (MLP) Resistencia (27°27'23.3742"S, 58°58'55.776"W); Jujuy: 2♂ 2♀ Reyes (MLP) (unspecified locality); Santa Fe: 1♂ (MLP) Colonia Mascías (30°47'55.8348"S, 60°0'52.3218"W); Santiago del Estero: 1♂ (MLP) Beltrán (27°49'43.6506"S, 64°3'35.5068"W).
Observation.
New record for Argentina.