Nuevos Leioproctus Smith de la Argentina correspondientes a los subgéneros Spinolapis Moure y Perditomorpha Ashmead (Hymenoptera, Colletidae)

Resumen

New Leioproctus Smith from Argentina belonging to the subgenera Spinolapis Moure
and Perditomorpha Ashmead (Hymenoptera, Colletidae). Three species of the subgenus Spinolapis Moure
from Patagonia are treated: the new species Leioproctus (Spinolapis) nitidiventris is described from the Neuquén
province, and new records are provided for L. (Spinolapis) cyaneus (Cockerell) and L. (Spinolapis) kalen Toro;
the latter species is first recorded for Argentina. Two new species are described in the subgenus Perditomorpha
Ashmead: L. (Perditomorpha) indigoticus from the provinces of Córdoba and Buenos Aires, and L. (Perditomorpha)
larejae from the province of Buenos Aires. These two species share some characteristics with species of Spinolapis.
Diagnoses, descriptions and illustrations are provided for the new species.