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A new monotypic genus of Iassinae Walker, 1870 tribe Hyalojassini Evans, 1972 is proposed based on Guaricicana borgesi gen. et sp. nov. from the states of Paraná and Rio de Janeiro, southern and southeastern Brazil, respectively. Detailed descriptions and illustrations of males and females are provided, as well as comparisons with the presumably more closely related genus, Daveyoungana Blocker & Webb, 1992.
The Neotropical fauna of Gyponini is very diverse and still poorly known. Many new species have characters that do not fit with the currently recognized genera, which makes it necessary to propose new ones. Herein, we propose two new Brazilian genera of Gyponini: Acuthana gen. nov., based on A. transgressa gen. et sp. nov. from the State of Mato Grosso, Central-West Brazil and Rectapona gen. nov. based on R. nigrifascia gen. et sp. nov. from the states of Paraná and São Paulo, South and Southeast Brazil, respectively. Diagnosis, detailed description and illustrations of male and female are provided for each taxon, as well as comparisons with closely related genera.
The genus Oshaibahus El-Sonbati & Wilson gen. nov. is described with the type species Platymetopius zizyphi Bergevin, 1922. Two new species, O. kadiae El-Sonbati & Wilson gen. et sp. nov. from Sudan and O. linnavuorii El-Sonbati & Wilson gen. et sp. nov. from Iraq are described, and a new combination, Oshaibahus zizyphi (Bergevin, 1922) gen. et comb. nov. is proposed. The genus Masiripius Dlabola, 1981 (type species: Mahalana lugubris Distant, 1918) is redefined. An illustrated key to genera of the subtribe Opsiina and a key to species of Oshaibahus gen. nov. are presented to facilitate identification.