''Catharylla tenellus'' is a moth of the family Crambidae. It is found in the

Atlantic Forest The Atlantic Forest ( pt, Mata Atlântica) is a South American forest that extends along the Atlantic coast of Brazil from Rio Grande do Norte state in the northeast to Rio Grande do Sul state in the south and inland as far as Paraguay and th ...

of Brazil in the states of Bahia, Minas Gerais, Paraná, Rio de Janeiro, and São Paulo. The length of the forewings is 10.5–12 mm for males and 12–16 mm for females. The forewings are snow white with an ochreous costal line. The median and subterminal transverse lines are ochreous and the outer margin is ochreous with seven dark brown spots. The hindwings are cream-coloured, the outer margin with small ochreous brown spots forming a more or less continuous line.

References

Argyriini Moths of South America Lepidoptera of Brazil Endemic fauna of Brazil Moths described in 1839 Taxa named by Philipp Christoph Zeller {{Argyriini-stub