CONICET | Buscador de Institutos y Recursos Humanos

Elachistocles haroi sp. nov. is described from El Algarrobal, Jujuy province, north-western Argentina. The new species is diagnosed by the dorsal pattern of mid-longitudinal bright yellow stripe from the intraocular zone, surpassing the post-cephalic transverse skin fold, to vent; dorsum grayish brown mottled with a paravertebral symmetric pattern of dark spots resembling a pine tree; and a thin regular yellow line on the posterior surface of the thighs and tibiae. The advertisement call is a long trill of 3.18 seconds, multipulsed with a mean dominant frequency of 4.56 kHz. The tadpole is characterized for the oral dermal flaps with papillae-like edges.