TABLE 4 in Rhizotrogus ruzzantei, a new species from southwestern Sardinia (Italy), with biogeographic considerations on the Sulcis-Iglesiente subregion and Scarabaeoidea endemics of Sardinia (Coleoptera: Scarabaeidae: Melolonthinae: Rhizotrogini)

TABLE 4. Scarabaeoidea species endemic to Sardinia, with indications of their presence in Corsica and species that are exclusively restricted to the Sulcis subregion.
EndemicCorsicaSardinia, SulcisOther Sardinia zonesGlaresis gentile Ziani, Uliana & Rattu, 2020Known only from Is SolinasTrox clathratus Reiche, 1861XNorthern partTrox cribrum Gené, 1836XThroughout the islandTrox nodulosus Harold, 1872XThroughout the islandChelotrupes hiostius Genè, 1836West coastChelotrupes matutinalis (Baudi, 1870)Throughout the islandJekelius (Jekelius) sardous (Erichson, 1847)XThroughout the coastal strips in dune areasAnomius crovettii (G. Dellacasa, 1983)Sant’Antioco and Sulcis, in xerothermophilous grassland habitatsWith limited extension to Cagliari areaLiothorax krelli Angus, Maté, Angus & Král, 2024Highlands of central island and NorthwestNimbus franzinii (Pittino, 1978)XMount Gennargentu and surrounding reliefsRhyssemus sardous Pierotti, 1980XThroughout in all coasts and riverbeds of the islandTriodontella alni (Blanchard, 1850)Southeastern partTriodontella mimula Leo & Fancello, 2007Restricted to the central part of West CoastTriodontella raymondi (Perris, 1869)Restricted to southeast and southwest, absent in the North.Triodontella sardoa (Baraud, 1962)Wooded areas of medium-high altitude, and at low altitudes in Cagliari areaHoplia pubicollis Küster, 1849XThroughout the island(Firminus bellieri (Reiche, 1862))XPresence still need to be confirmedFirminus fossulatus (Mulsant & Rey, 1859)XThroughout the forest areasRhizotrogus genei Blanchard, 1851XUbiquitous at medium and low altitudes. Recorded from Capraia Island (Tuscan archipelago) as R. insularis ReicheRhizotrogus ruzzantei Sabatinelli, Cillo, Bazzato, 2025Lower Sulcis between Villa San Pietro and Sant’AntiocoAnoxia sardoa Motschulsky, 1860Coastal areas mainly in North, West and SouthAnoxia hirta Reitter, 1890Mainly in the East coastAnoxia noctuabunda Leo, Garagnani & Sabatinelli, 2021XNortheastern partMelolontha sardiniensis Drumont, Muret, Hager & Penner 1999Restricted to central eastern part (Ogliastra)Elaphocera dilatata Erichson, 1840Lower SulcisSouthern beltElaphocera leoi Fancello & Cillo, 2014Known only in the South coastElaphocera emarginata (Gyllenhal, 1817)Restricted to Cagliari town and its vicinityElaphocera obscura erichsoni Harold in Gemminger & Harold, 1869Central eastern partElaphocera obscura obscura Gené, 1836Iglesiente and Mount LinasMimela junii rugosula Fairmaire, 1859XNorthern part with isolate record in South (Maracalagonis)Pachypus melonii Sparacio, 2008On the eastern and part of the lower beltPachypus sardiniensis Guerlach, Bazzato & Cillo, 2013Southeastern coastCalicnemis truncatifrons sardiniensis Leo, 1985West coast, restricted to area between Gonnesa and OristanoCetonia carthami carthami Gory & Percheron, 1833XThroughout the islandProtaetia (Eupotosia) affinis tyrrenica Medvedev, 1964Common in the north, few records from the South (Iglesiente, Dolianova, Gerrei)Protaetia (Netocia) sardea (Gory & Percheron, 1833)XThroughout the island including medium-high altitudesTropinota (Epicometis) paulae Leo, 2010Restricted to medium and medium-high mountains throughout island
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