Loxomorpha flavidissimalis is a species of moth in the family Crambidae.

[1] It is found in the United States (Texas, Florida, North Carolina, West Virginia and Puerto Rico[2][3]), Mexico[4] and has also been recorded in Australia.

In the United States, adults have been recorded on wing from May to July and in September.

The larvae feed on Opuntia species.

They are yellowish white and reach a length of about 11 mm when full-grown.