Epiblema otiosana
(Clemens, 1860)
bidens borer moth
Epiblema otiosana, commonly known as the bidens borer , is a small tortricid moth with a wingspan of 12–20 mm. The is named for its larval association with plants in the Bidens. It occurs across eastern and central North America, from southern Canada to the Gulf Coast.
Pronunciation
How to pronounce Epiblema otiosana: /ˌɛpɪˈbliːmə ˌoʊtiˈoʊsənə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Available sources do not provide diagnostic features distinguishing this from . Identification likely requires examination of genitalia or molecular methods.
Images
Appearance
have a wingspan of 12–20 mm. Specific coloration and pattern details are not documented in available sources.
Habitat
details are not specified in available sources. have been attracted to light at sites including wetlands and prairie edges.
Distribution
North America: Maine and Ontario south to Florida, west to Kansas and Texas. Records also include Vermont.
Diet
Larvae feed on Bidens frondosa (Common Beggar-Ticks), a member of the Asteraceae . feeding habits are not documented.
Host Associations
- Bidens frondosa - larval food plantCommon Beggar-Ticks; Asteraceae
Life Cycle
Larval stage feeds internally or on Bidens frondosa. Specific details of , pupal, and longevity are not documented.
Behavior
are attracted to light. Larval involves feeding on Bidens plants, consistent with the 'bidens borer'.
Ecological Role
Larval herbivore on Bidens frondosa. Specific ecological impacts or interactions are not documented.
Human Relevance
No documented economic or medical significance. The is encountered by enthusiasts at light stations.
Similar Taxa
- Epiblema tripartitanaCongeneric in the same , similar size and ; distinguished by wing pattern details not specified in sources
- Other Epiblema speciesMany are superficially similar small tortricids; reliable identification requires specialized examination
More Details
Etymology
The 'bidens borer' refers to the larval feeding on Bidens, while the specific epithet 'otiosana' derives from the Latin 'otiosus' meaning 'at leisure' or 'idle', though the intended meaning by Clemens (1860) is not recorded.