Revision of the Neotropical parasitoid wasp genus Hapsinotus (Hymenoptera: Ichneumonidae: Banchinae)

The species of the Neotropical genus Hapsinotus Townes, 1970 (Hymenoptera: Banchinae) are revised. A total of 31 new species are described: H. amallulla new species, H. amaquella new species, H. amarakaeri new species, H. amasua new species, H. amazonensis new species, H. bicolor new species, H. brevis new species, H. chiquita new species, H. ete new species, H. guntheri new species, H. huaorani new species, H. kentori new species, H. killa new species, H. lamasi new species, H. mariannae new species, H. mashco new species, H. micheneri new species, H. petirrojo new species, H. pittieri new species, H. plaumanni new species, H. prolixus new species, H. puka new species, H. secoya new species, H. shushufindi new species, H. sofiae new species, H. surinen new species, H. taino new species, H. tupi new species, H. vilcai new species, H. yana new species, and H. yumbo new species. Hapsinotus is recorded for the first time in Bolivia, Brazil, Ecuador, French Guiana, Mexico, Panama, Venezuela, Suriname, and Trinidad and Tobago. The range of distribution is expanded for H. atripleurum Townes, 1970 to Brazil and Ecuador, H. morenus Ugalde-Gómez and Gauld, 2002 to Panama, H. nigrogena Ugalde-Gómez and Gauld, 2002 to Ecuador, H. notaulator Ugalde-Gómez and Gauld, 2002 to Panama, H. parvatus Ugalde-Gómez and Gauld, 2002 to Mexico, and H. transversus Ugalde-Gómez and Gauld, 2002 to Brazil and Peru. A key to the species of the genus is provided.