Bug FAQDeduced Graphic
Bulia deducta · Order: Lepidoptera · Family: Erebidae
The adult has a wingspan of about 34 to 38 mm. It lives from central Mexico up through parts of the western United States, reaching as far east as Arkansas and Alabama. Larvae eat the leaves of mesquite trees (Prosopis). Adults are active from March through October in the southwestern region.
Source: Wikipedia
Size
Wingspan ranges between 34 and 38 mm.
Source: Wikipedia
What it eats
Larvae feed on mesquite (Prosopis) leaves.
Source: Wikipedia
Where it comes from
Found from central Mexico north into central California, Utah, Wyoming, Nebraska, and east to Arkansas and Alabama.
Source: Wikipedia
Where it is found in the US
Recorded in 20 of 51 states and DC. Most records: Texas, Arizona, New Mexico, California, Oklahoma, Colorado, Nevada, Kansas.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
Where is this bug found?
It ranges from central Mexico up through parts of the western United States and east to Arkansas and Alabama.
Source: Wikipedia
What do the caterpillars eat?
The larvae feed on mesquite trees, specifically the genus Prosopis.
Source: Wikipedia
When can I see the adults?
Adults are active from March through October in the southwest.
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/Bulia_deducta
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.