An annotated checklist of the Scarabaeoidea (Insecta: Coleoptera) of the Guianas Author Hielkema, Auke J. Author Hielkema, Meindert A. text Insecta Mundi 2019 2019-10-25 732 732 1 306 journal article 10.5281/zenodo.3678492 8e18452b-1d9d-462e-bac8-8c86eeb4ddc3 1942-1354 3678492 930EAB11-37FA-41B0-980A-1A4736527842 § Deltochilum ( Aganhyboma ) valgum Burmeister, 1873 Deltochilum valgum Burmeister 1873: 409 ( Argentina ) Distribution. Guyana : see under D. feeri . Suriname : see under D. feeri . French Guiana : see under D. feeri . Brazil : Paulian 1938: 271 (as D. ( Deltochilum ) valgum ); Vulcano and Pereira 1964: 659 (as D. ( Deltohyboma ) valgum ); Vaz-de-Mello 2000: 192 (as D. ( Deltohyboma ) valgum valgum ). Other: Burmeister 1873: 409 (Argentina); Gillet 1911b: 36 (Argentina); Paulian 1938: 271 (Argentina - as D. ( Deltochilum ) valgum ); Blackwelder 1944: 203 (Argentina); Martínez 1959: 55 ([Argentina], Bolivia, Paraguay - as D. ( Deltohyboma ) valgum ); Vulcano and Pereira 1964: 659 (Argentina, Colombia - as D. ( Deltohyboma ) valgum ); Silva et al. 2015: 483 (Argentina, Bolivia, Paraguay). Note. Based on the distributional data in Silva et al. (2015) , all previous records of Deltochilum valgum from the Guianas concern the newly described D. feeri and are placed there. The true D. valgum is restricted to Argentina , Bolivia and Paraguay . The records of D. valgum from Brazil and Colombia seemingly belong to some of the other species newly described by Silva et al. (2015) . Subgenus CALHYBOMA Kolbe, 1893 Deltochilum ( Calhyboma ) Kolbe 1893: 191 Synopsis. Pereira and Andretta 1955