Scaphoxium Löbl, 1979

Löbl, Ivan, 2021, Contribution to the knowledge of the Scaphisomatini (Coleoptera: Staphylinidae: Scaphidiinae) of Mindanao, Philippines, Biodiversity, Biogeography and Nature Conservation in WALLACEA and NEW GUINEA, Riga: The Entomological Society of Latvia, pp. 265-272 : 270-271

Scaphoxium Löbl, 1979

Currently, two species of Scaphoxium are known from the Philippines, S. alesi LÖbl, 2011 from Luzon and S. taylori LÖbl, 1981 described from Sarawak and subsequently reported from the Philippine islands Luzon, Mindanao and Palawan. The new collections yielded an additional species.

Key to the Philippine species of Scaphoxium

1 Antennomeres XI about 1.5 times as long as antennomeres X. Sides of metaventrite with coarse punctures ........................................................................ 2

– Antennomeres XI about as long or slightly longer than antennomeres X. Sides of metaventrite very finely punctate ..................................................... S. taylori Löbl

2 Sides of metaventrite with few coarse punctures. Antennomeres VIII about 4 times as long as wide. Internal sac of aedeagus lacking sclerotized denticles .. ....................................................................... S. alesi Löbl

– Sides of metaventrite with dense patch of coarse punctures. Antennomeres VIII about 2.5 times as long as wide. Internal sac of aedeagus with strongly sclerotized denticles ............................................ S. shavrini sp. nov.