Ampliodactylus, Smith, 2008

Smith, Andrew B. T., 2008, South American Melolonthinae (Coleoptera: Scarabaeidae) classification and nomenclature: some problems and solutions, Insecta Mundi 2008 (60), pp. 1-28 : 9

Key to species of Ampliodactylus

1. Pronotum with distinct medial row of thick, white setae; scutellum obscured by thick, white setae (Fig. 5). Total length less than 9 mm ............. Ampliodactylus marmoratus (Curtis)

— Pronotum without distinct medial row of setae (setae evenly distributed across pronotum); scutellum not obscured by thick setae (Fig. 6). Total length greater than 9 mm ....................................... ...................................................................................... Ampliodactylus vestitus (Philippi)