Hellinsia angulofuscus is a moth of the Pterophoridae family. It is found in Argentina (Salta), Brazil (São Paulo) and Paraguay (Asuncion). The wingspan is 16‑17 mm. The forewings are creamy‑white. There is a faint, oblique spot before the base of the cleft and a costal dash above the base of the cleft and a distinct spot at the anal angle of the first lobe. The hindwings are grey‑white. Adults are on wing in April and June. The larvae feed on Wulffia baccata.