Bug FAQBidens Borer Moth
Epiblema otiosana · Order: Lepidoptera · Family: Tortricidae
Adult Epiblema otiosana have a wingspan of about 12 to 20 mm. The caterpillars feed on the plant Common Beggar-Ticks (Bidens frondosa).
Source: Wikipedia
Size
Adults measure 12 to 20 mm across the wings.
Source: Wikipedia
What it eats
Caterpillars eat the leaves of Common Beggar-Ticks, a member of the aster family.
Source: Wikipedia
Where it comes from
Their range includes much of the United States and parts of Canada, from the northeast down to the southeast and westward to the central states.
Source: Wikipedia
Where it is found in the US
Recorded in 39 of 51 states and DC. Most records: Ohio, Michigan, Louisiana, Illinois, Texas, Maryland, Alabama, Indiana.
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
How large are adult Epiblema otiosana?
Adults have a wingspan of roughly 12 to 20 mm.
Source: Wikipedia
Same family (Tortricidae)
Oblique-banded Leafroller MothChoristoneura rosaceanaDamages trees, gardens or crops
Garden TortrixClepsis peritanaDamages trees, gardens or crops
Common MarbleSyricoris lacunanaDamages trees, gardens or crops
Red-banded Leafroller MothArgyrotaenia velutinanaDamages trees, gardens or crops
Light Brown Apple MothEpiphyas postvittanaDamages trees, gardens or crops
Filbertworm MothCydia latiferreanaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Epiblema_otiosana
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.