Bug FAQLoxomorpha flavidissimalis
Loxomorpha flavidissimalis · Order: Lepidoptera · Family: Crambidae
Loxomorpha flavidissimalis is a small, yellowish-white moth about 11 mm long when fully grown. The larvae feed on Opuntia cactus species and adults are on the wing from May to July and again in September in the U.S.
Source: Wikipedia
How to recognize it
The moth is yellowish white in colour.
Source: Wikipedia
Size
Full-grown individuals reach about 11 mm in length.
Source: Wikipedia
What it eats
Larvae feed on species of Opuntia cactus.
Source: Wikipedia
Life cycle
The larvae are yellowish white and grow to about 11 mm before pupating.
Source: Wikipedia
Where it comes from
Its range includes several U.S. states, Puerto Rico, Mexico and Australia.
Source: Wikipedia
Where it is found in the US
Recorded in 3 of 51 states and DC. Most records: Texas, Georgia, California.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What do the larvae of Loxomorpha flavidissimalis eat?
The larvae feed on Opuntia cactus species.
Source: Wikipedia
When are adult Loxomorpha flavidissimalis active?
Adults are on the wing from May through July and again in September in the United States.
Source: Wikipedia
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalis
Elegant Grass-veneerMicrocrambus elegans
Hawaiian Beet Webworm MothSpoladea recurvalisDamages trees, gardens or crops
Garden Grass-veneerChrysoteuchia culmellaDamages trees, gardens or crops
Bluegrass Webworm MothParapediasia teterrellusDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Loxomorpha_flavidissimalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.