Acrotritia ardua (Koch, 1841)

Rhysotritia ardua: Niedbała & Schatz (1996); Schatz (1998).

Distribution: Cosmopolitan.

Records in Ecuador: Galápagos (Islas: Santa Cruz, San Cristóbal, Floreana).

Habitat: Isla Santa Cruz: Scalesia forest near Cerro Crocker, 700 m; moist pads of Lycopodium dichotomum on a branch with roots and mosses at Zanthoxylum fagara; river bed near Media Luna; moist leaf litter, moss and humus under Miconia robinsoniana and Pteridium aquilinum . Isla San Cristóbal: Miconia zone around lake El Junco; moist, decayed leaf and fern litter under Psidium guajava and Pteridium aquilinum; small spring in valley SE of lake El Junco; moist, decayed leaf litter under Miconia robinsoniana; in Encanada with small stream; moist, welldecayed leaf litter and roots under Miconia robinsoniana and Pteridium aquilinum; fern-sedge zone at San Joaquin hill; crevice under Cyathea weatherbyana: moist to wet. well-decayed fern litter and pieces of wood. Isla Floreana: on crater rim of Cerro Pajas, moist highland; moist, decayed leaf litter with roots and humus under Zanthoxylum fagara, Cordia leucophlyctis and Lantana camara; moist moss from ground under Z. fagara; moist, partly-decayed leaf litter under Z. fagara and Croton scouleri; moist to wet moss with roots and Peperomia from bark of Z. fagara .

References: Niedbała & Schatz (1996): 254; Schatz (1998): 380.