The species of the tribe Paracolletini are presented as the first part of a commented catalog of Colletidae bees, frora the Neotropical Region. The geographic distribution, flowers, biological behaviour, taxonomy, type locality and depositary museums are mentioned, bibliographic information are given for each species and a new genus, Actenosigynes, is proposed to Leioproctus (L.) fidvoniger Michener, 1989.
Hymenoptera; Apoidea; Colletidae; Paracolletini; Neotropical; catalogue
