atomus (Rondani) (S.A. Marshall pers. comm.).

Elachisoma atomus Rondani, 1880: 19 .

Trachyopella atomus: Causton et al. 2006: 135 [introduced species].

Distribution. Introduced. Cosmopolitan; Galápagos: Isabela.

Remarks. Adults of this species were recorded from the pampa zone and likely develop in various decaying matter, especially dung (Roháček & Marshall 1986).