Dichomeris setosella
(Clemens, 1860)
Dichomeris setosella is a gelechiid described by James Brackenridge Clemens in 1860. It occurs across eastern and central North America, from Manitoba and New York south to Florida and west to Texas and Oklahoma. The is recognized by distinctive forewing markings including a pale ochreous triangular patch at the costal base and dark brown patterning. are active from March through November. Larvae feed on a diverse range of plants including Asteraceae species and conifers.
Pronunciation
How to pronounce Dichomeris setosella: //daɪˈkɒmɛrɪs ˌsɛtoʊˈsɛlə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The pale ochreous triangular patch at the base of the forewing , combined with the blackish brown marginal markings and the pale line across the nervule bases, distinguishes this from similar Dichomeris. The yellowish brown hindwings contrast with the darker forewings. The extensive geographic range and broad seasonal activity (March–November) may encompass multiple or a long-lived stage.
Distribution
Recorded from New York to Florida, Manitoba, eastern Kansas, Oklahoma, Texas, and Kentucky. GBIF distribution records also include Canada, Cuba, Dominican Republic, and Mexico.
Seasonality
on wing from March to November.
Diet
Larvae feed on Eupatorium , Vernonia species, Verbesina virginica, Pinus strobus, Thuja occidentalis, Pluchea odorata, and Ageratina altissima var. angustata.
Host Associations
- Eupatorium - larval level
- Vernonia - larval level
- Verbesina virginica - larval level
- Pinus strobus - larval level
- Thuja occidentalis - larval level
- Pluchea odorata - larval level
- Ageratina altissima var. angustata - larval variety level
More Details
Nomenclature
Originally described as Trichotaphe setosella by Clemens in 1860; later transferred to Dichomeris.