The following two new species of Culicoides
from the Argentinean Yungas are described, illustrated and placed to subgenus or species group and compared with related congeners: Culicoides calchaqui
Spinelli & Veggiani Aybar and Culicoides willinki
Spinelli & Veggiani Aybar. Culicoides daedaloides
Wirth & Blanton is recorded for the first time for Argentina and Culicoides pseudoheliconiae
Felippe-Bauer is firstly mentioned from the northwestern region of the country.