Phthiracarus anonymus Grandjean, 1933

Distribution: Semi-cosmopolitan.

Records in Ecuador: Galápagos (Islas: Santa Cruz, San Cristóbal) and Zamora Chinchipe ( San Francisco Biological Reserve) .

Habitat: Isla Santa Cruz: Scalesia forest near Cerro Crocker; moist leaf litter; fern-sedge zone near Puntudo; moist fern litter. Isla San Cristóbal: Miconia zone around lake El Junco; moist, decayed leaf litter under Miconia robinsoniana and Pteridium aquilinum . Moist zone. Bark, organic litter and the upper soil layer, especially from Graffenrieda emarginata litter.

References: Niedbała & Schatz (1996): 262; Schatz (1998): 380; Niedbała & Illig (2007): 140; Illig et al. (2007): 226; Niedbała & Roszkowska (2016): 11.