The Lattinova complex is described, comprising five new genera: Fronsetta, Lattinova, Metopocoris, Sinistropa and Watarrkamiris. All taxa in this complex are defined by the subrectangular head. All species in the Lattinova complex are described as new to science, and includes two species of Fronsetta (F. geraldtoni and F. maculatus), nine species of Metopocoris (M. asquithi, M. carnarvoni, M. cassiae, M. forresti, M. joannae, M. magenta, M. rubrifasciata, M. scutata and M. uberini), Lattinova jacki, four species of Sinistropa (S. elongatus, S. kulgera, S. northami and S. rawlinna), and two species of Watarrkamiris (W. pallidus and W. serpentinae). The male genitalia are illustrated for all species except M. scutata, where males are unknown. The female genitalia of the type species of all the genera are illustrated, including the inter-ramal lobes. All taxa are keyed. Homologies and terminology of the male genitalia are reviewed, and a new hypothesis of aedeagal evolution is proposed—the torsion hypothesis of endosomal spicules.
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Vol. 110 • No. 4