The New World species of Leucospis Fabricius, 1775 (Hymenoptera, Chalcidoidea, Leucospidae): an update of Boucek's revision with description of two new species from Brazil.

The revision of Leucospis Fabricius (Hymenoptera: Leucospidae) by Boucek (1974a) is updated for the New World species based on material deposited in Brazilian collections. We provide a key to the New World species including all species described after Boucek, describe two new Brazilian species, Leucospis copepucu sp. nov. and L. muru sp. nov. describe the male of Leucospis opalescens Weld, 1922, and provide diagnoses and illustrations for ten other Brazilian species and one Argentinian species and comments on new geographic records for Brazilian species, with maps.

The uncommon Neotropical genus Pazius Navás, 1913 (Mecoptera: Bittacidae): a comprehensive synthesis, with description of a new Brazilian species.

After a gap of more than twenty years, only recently the uncommon Neotropical genus Pazius Navás, 1913 has been focus of scientific researches, with the description of two new species from Colombia. Here all the knowledge about the genus is synthetized, with an identification key to all species, including comprehensive illustrations of male's terminalia and the description of Pazius angaibara sp. nov. from Northern Brazil. Also, a geographic records map of the genus is included.