Seventeen new Species of Hypoxys Amyot & Serville, 1843 (Heteroptera: Pentatomidae: Edessinae) Author Nunes, Benedito Mendes 0000-0001-6708-9386 Universidade Federal do Pará, Faculdade de Educação do Campo, Matinha, Cametá, Pará, Brazil. beneditomn @ gmail. com; https: // orcid. org / 0000 - 0001 - 6708 - 9386 beneditomn@gmail.com Author Mendonça, Maria Thayane Da Silva Universidade Federal do Pará, Instituto de Ciências Biológicas, Av. Augusto Correa # 1 66075 - 110, Belém, Pará, Brazil. Author Fernandes, Jose Antonio Marin Universidade Federal do Pará, Instituto de Ciências Biológicas, Av. Augusto Correa # 1 66075 - 110, Belém, Pará, Brazil. text Zootaxa 2022 2022-06-29 5159 2 187 220 journal article 84345 10.11646/zootaxa.5159.2.2 0fc99c6a-12e5-47ee-ad48-8f3a91fa9281 1175-5326 6777058 0D339FF5-003D-4ACB-90C7-40495C21C68B Key to males of the H. quadridens group of species 1. Pronotum without black stripe on anterolateral margin....................................................... 2 - Pronotum with black stripe along anterolateral margin........................................................ 4 2. Species from Central America................................................................ H. eburatulus - Species from South America............................................................................ 3 3. Pygophore. Dorsal rim strongly projected caudally, far exceeding level of posterolateral angles; lateral margin deeply excavated ( Fig. 7A,C )........................................................................... H. excavatus sp. n. - Pygophore. Dorsal rim not projected caudally, not reaching level of posterolateral angles; lateral margin not excavated laterally ( Fig. 13A,C )......................................................................... H. runcinatus sp. n. 4. Pygophore strongly excavated laterally; expansions of ventral rim strongly developed, narrow, and subparallel ( Fig. 10C,D ; Nunes et al. 2020 – Fig. 2A,C )........................................................................... 5 - Pygophore not or barely excavated laterally; expansions of ventral rim rounded or acuminated and never strongly developed as above ( Figs. 9D , 12D )................................................................................. 6 5. Dorsal rim of the pygophore medially concave; anterior lobe of the paramere dorsoanteriorly expanded; posterior face of the proctiger without expansions ( Nunes et al. 2020 – Fig. 2A,C ).......................................... H. boerneri - Dorsal rim of the pygophore medially convex; anterior lobe of each paramere rounded and expanded dorsally; posterior face of the proctiger with lateral margins remarkably expanded ventrally ( Fig. 10A–D ).................... H. omegoides sp. n. 6. Pygophore. Expansions of the ventral rim curved downwards; posterior face of the proctiger with median lateral swellings ( Fig. 6B–D ; Nunes et al. 2020 , Fig. 6A–C )..................................................................... 7 - Expansions of ventral rim directed caudally; posterior face of the proctiger without lateral expansions ( Fig. 9B–D )....... 8 7. Dorsal rim of the pygophore concave; head of each paramere rounded with distal margin projected in a distinct tooth; lateral swellings of the posterior face of proctiger developed ( Nunes et al. 2020 , Fig. 6A–C )................... H. necopinatus - Dorsal rim of the pygophore slightly sinuous or almost straight; head of each paramere subtriangular; lateral swellings of the posterior face of proctiger barely developed ( Fig. 6A–D ).................................. H. dorsocarinatus sp. n. 8. Pygophore. Posterior face of proctiger expanded ventrally, longer than wide, dorsally with a pair of swellings; expansions of ventral rim broad and rounded ( Fig. 12A–D ; Nunes et al. 2020 – Fig. 3A–C )...................................... 9 - Pygophore. Posterior face of the proctiger not projected ventrally, wider than long, dorsally without swellings; expansions of ventral rim rounded to acuminated ( Figs. 9B–D , 15B–D )..................................................... 10 9. Pygophore. Posterior face of the proctiger with ventral margin rounded and notched medially, dorsal swellings somewhat developed; head of the paramere broadening distally ( Fig. 12B–D )................................ H. rugulosus sp. n. - Pygophore. Posterior face of the proctiger with ventral margin projected caudally in a rounded lip, dorsal swellings strongly developed; head of the paramere not broadening at the apex ( Nunes et al. 2020 , Fig. 3A–C )................ H. claricolor 10. Pygophore. Superior process of the genital cup squared, subrectangular, oblong or laminar, without secondary processes, and not adjacent to dorsal rim ( Figs. 3B–C , 5B–C )............................................................. 11 - Pygophore. Superior process of the genital cup curved or straight, with secondary processes, and adjacent to dorsal rim ( Figs. 1B–C , 15B–C , 17B–C )............................................................................... 15 11. Pygophore. Dorsal rim with two rounded projections close to medial line; superior process of the genital cup oblong and broad; paramere spatulate ( Fig. 9A–C )....................................................... H. nigrosinuatus sp. n. - Pygophore. Dorsal rim concave, without projections; superior process of the genital cup and paramere different from above ( Figs. 3A–C , 5A–C )................................................................................. 12 12. Pygophore. Superior process of genital cup laminar, narrow; head of the paramere broad and posterolaterally projected ( Figs. 3A–C , 5A–C )....................................................................................... 13 - Pygophore. Superior process of genital cup square or subrectangular; head of the paramere anteriorly projected and narrow ( Fig. 8A–C )........................................................................................ 14 13. Pygophore. Paramere projected laterally almost reaching lateral wall; expansions of ventral rim acuminated and narrower than in the species below ( Fig. 3B–D )......................................................... H. clavatum sp. n. - Pygophore. Paramere slightly projected laterally clearly distant from lateral wall; expansions of ventral rim rounded and broader than in the species above ( Fig. 5B–D ).................................................... H. cristatus sp. n. 14. Pygophore. Superior process of genital cup square; anterior lobe of the paramere slightly curved; expansions of ventral rim slightly developed, almost level with posterolateral angles in ventral view ( Nunes et al. 2020 , Fig. 4A–B )...... H. dolosus - Pygophore. Superior process of genital cup subrectangular; anterior lobe of the paramere curved; expansions of ventral rim developed, far exceeding posterolateral angles in ventral view ( Fig. 8A–C )........................ H. flexuosus sp. n. 15. Pygophore. Paramere golf club-like, posterior lobe narrow, more developed than anterior lobe, with a conspicuous carina on ventral margin; anterior lobe rounded, barely developed, directed to the base of the proctiger ( Figs. 11B–C , 14B–C )..... 16 - Pygophore. Paramere with head broad; anterior lobe rounded and short; posterior lobe wide, acuminated or rounded or truncated ( Figs. 4B–C , 16B–C )............................................................................ 19 - Pygophore. Paramere subtriangular in caudal view, anterior lobe well-developed and directed dorsally; posterior lobe triangular and little developed ( Figs. 1B–C , 17B–C )................................................................ 22 16. Pygophore. Superior process of the genital cup laminar; posterior lobe of the paramere narrow and long ( Nunes et al. 2020 , Fig. 8A–C ).................................................................................. H. trabeculus - Pygophore. Superior process of the genital cup curved ventrally and concave; posterior lobe of the paramere short and tapering ( Figs. 2B–C , 11B–C , 14B–C ).......................................................................... 17 17. Pygophore. Dorsal rim with two developed lateral swellings; expansions of ventral rim slightly developed; proctiger with posterior face barrel-shaped ( Fig. 2A–D )...................................................... H. bitumidus sp. n. - Pygophore. Dorsal rim without lateral swellings; expansions of ventral rim developed; proctiger with posterior face subpentagonal ( Figs. 11A–D , 14A–D )......................................................................... 18 18. Pygophore. Paramere narrow and curved dorsally; superior process of the genital cup trilobate ( Fig. 11B–C ).............................................................................................. H. pentagonalis sp. n. - Pygophore. Paramere broad and straight; superior process of the genital cup bilobate, half-moon-shaped ( Fig. 14B–C )............................................................................................ H. similis sp. n. 19. Pygophore. Paramere dorsally acuminated; posterior lobe small and triangular ( Nunes et al. 2020 , Figs. 1B , 7B )........ 20 - Pygophore. Paramere dorsally sinuous; posterior lobe large, wide, rounded or acuminated ( Figs. 4B–C , 16B–C )......... 21 20. Pygophore. Superior process of the genital cup expanded anteriorly, with a ventromedial process; dorsal surface of proctiger with a broad distal carina; expansions of ventral rim acuminated and flat ( Nunes et al. 2020 , Fig. 1A–C ).... H. quadridens - Pygophore. Superior process of the genital cup barely expanded anteriorly; dorsal surface of proctiger without carina; expansions of ventral rim widely rounded and swollen ( Nunes et al. 2020 , Fig. 7A–C )......................... H. offuscatus 21. Pygophore. Superior process of the genital cup curved; paramere with anterior lobe slightly developed; expansion of the ventral rim widely rounded and not swollen; inner margin with distal right angle ( Fig. 4B–D )........ H. crassimarginatum sp. n. - Pygophore. Superior process of the genital cup almost straight; paramere with anterior lobe developed; expansion of the ventral rim rounded and swollen; inner margin not angulated ( Fig. 16B–D )........................... H. unguiculatus sp. n. 22. Pygophore. Posterolateral angles barely developed; superior process of genital cup tapering caudally; posterior face of proctiger swollen laterally ( Figs. 1A–D , 17A–D ).................................................................. 23 - Pygophore. Posterolateral angles developed and acute; superior process of genital cup enlarged and rounded caudally; posterior face of proctiger not or barely swollen laterally ( Fig. 15A–C )................................. H. trilobulatus sp. n. 23. Pygophore. Superior process of genital cup arched dorsally; paramere with anterior lobe shorter than posterior lobe; margin of the median excavation of ventral rim emarginated ( Fig. 1B–D ).................................. H. angulatus sp. n. - Pygophore. Superior process of genital cup slightly arched dorsally; paramere with anterior lobe longer than posterior lobe; margin of the median excavation of ventral rim not emarginated ( Fig. 17B–D )............. H. ventrotuberculatus sp. n.