Bug FAQWithered Mocis
Mocis marcida · Order: Lepidoptera · Family: Erebidae
The withered mocis is a moth in the Erebidae family. Its wingspan is about 47 mm (1.9 in). It lives along the US Gulf and Atlantic coasts from North Carolina to Florida, west to Texas, and occasionally as far north as New York.
Source: Wikipedia
How to recognize it
Mocis marcida, the withered mocis, belongs to the moth family Erebidae.
Source: Wikipedia
Size
The adult’s wingspan measures roughly 47 mm, or about 1.9 inches.
Source: Wikipedia
What it eats
The caterpillars feed on a variety of grasses.
Source: Wikipedia
Life cycle
Adults appear from April through November, and in southern Florida and Texas they can be seen year-round, producing several generations each year.
Source: Wikipedia
Where it comes from
Its range includes the southeastern United States, from North Carolina to Florida and west to Texas, sometimes reaching New York.
Source: Wikipedia
Where it is found in the US
Recorded in 14 of 51 states and DC. Most records: Texas, Florida, Alabama, Louisiana, Georgia, Mississippi, South Carolina, North Carolina.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are withered mocis moths active?
Adults fly from April to November, and they may be present year-round in southern Florida and Texas.
Source: Wikipedia
Where can I find withered mocis?
They occur along the US Gulf and Atlantic coasts from North Carolina to Florida, west to Texas, and sometimes as far north as New York.
Source: Wikipedia
Same family (Erebidae)
Spongy MothLymantria disparDamages trees, gardens or crops
Fall Webworm MothHyphantria cuneaDamages trees, gardens or crops
Brown-tail MothEuproctis chrysorrhoeaCan irritate skin
Isabella Tiger MothPyrrharctia isabella
Virginian Tiger MothSpilosoma virginicaCan irritate skin
Salt Marsh MothEstigmene acreaSources
- Wikipedia: https://en.wikipedia.org/wiki/Mocis_marcida
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.