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Species Epiblema strenuana - Ragweed Borer - Hodges#3172

Tort moth - Epiblema strenuana Olethreutinae, Ragweed Borer, wing - Epiblema strenuana Ragweed Borer Moth - Epiblema strenuana Ragweed Borer - Epiblema strenuana Brown tortricid moth - Epiblema strenuana Tortricidae - Epiblema strenuana Epiblema abruptana - Epiblema strenuana Epiblema strenuana (Ragweed Borer) - Epiblema strenuana
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Tortricoidea (Tortricid Moths)
Family Tortricidae (Tortricid Moths)
Subfamily Olethreutinae
Tribe Eucosmini
Genus Epiblema
Species strenuana (Ragweed Borer - Hodges#3172)
Hodges Number
3172
Synonyms and other taxonomic changes
Epiblema strenuana (Walker, 1863)
Grapholita strenuana Walker, 1863 (1)
Grapholita exvagana Walker, 1863
Steganoptycha flavocellana Clemens, 1865
Grapholita subversana Zeller, 1875
Phylogenetic sequence #621065
Explanation of Names
Specific epithet from Latin strenua meaning "vigorous, strenuous."
Numbers
There are more than 40 Epiblema species in America north of Mexico.(2)
Size
Forewing length 4.5-8.5 mm.(2)
Identification
See redescription in Gilligan et al. (2020) (3)

Specimen identified by DNA analysis (BOLD)(4)

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Adult: forewing medium to dark brownish-gray extensively covered with fine pale dots; pale patch at anal angle usually contains two small black marks; hindwing brownish-gray.

Adults are extremely variable in pattern and color.(2)
Range
Quebec and Ontario to Florida(5), east to Texas(6).
Season
Most records of adults are from April to September. (7)
Food
Larvae bore inside stems of ragweed (Ambrosia spp.), Lambsquarters (Chenopodium album), pigweed (Amaranthus spp.), and cocklebur (Xanthium spp.)
Remarks
Page creation based on identification of this photo by Richard Brown.

Epiblema strenuana (Tortricidae) is considered a species complex, with "small gray" and "large brown" morphs, of which this moth is the former. … Terry Harrison, 14 December, 2012 (Note: this is at least partially resolved in Gilligan et al. (2020) (3).)
See Also
Compare to related species on the pinned plates of Moth Photographers Group.
Epiblema minutana, formerly treated as a synonym of strenuana. See redescriptions for both species in Gilligan et al. (2020) (3).
Print References
Blanchard, A. 1979. New status for Epiblema minutana Kearfott and new species of Epiblema Hubner and Sonia Heinrich (Tortricidae). (8)
Gilligan, Wright & Gibson, 2008. Olethreutine Moths of the Midwestern United States: p. 121.178.(9)
Miller, W.E. & M.G. Pogue, 1984. Ragweed Borer (Lepidoptera: Tortricidae: Eucosmini): Taxonomic Implications of an Allometric Analysis of Adult Characters. Annals of the Entomological Society of America. 77(3): 227–231.
Powell, J.A., & P.A. Opler 2009. Moths of Western North America. pl. 15.44f, 15.45; p. 135.(2)
Walker, F. 1863. Crambites & Tortricites. List of the specimens of lepidopterous insects in the collection of the British Museum, 27: 383. (1)
Works Cited
1.List of the specimens of lepidopterous insects in the collection of the British Museum. Part XXVII - Crambites & Tortricites.
Francis Walker. 1863. British Museum (Natural History), p.1-286.
2.Moths of Western North America
Powell and Opler. 2009. UC Press.
3.Taxonomic issues related to biological control prospects for the ragweed borer, Epiblema strenuana (Lepidoptera: Tortricidae)
Gilligan, T.M., D.J. Wright, R.L. Brown, B.A. Augustinus, U. Schaffner. 2020. Zootaxa, 4729(3): 347-358.
4.BOLD: The Barcode of Life Data Systems
5.Checklist of the Lepidoptera of Florida
6.Moths of Brackenridge Field Laboratory University of Texas at Austin
7.North American Moth Photographers Group
8.New Status for Epiblema Minutana (Kearfott) and New Species of Epiblema Hubner and Sonia Heinrich (Tortricidae)
A. Blanchard. Journal of the Lepidopterists' Society 33(3), 1979, 179-188.
9.Olethreutine Moths of the Midwestern United States, An Identification Guide
Gilligan, Todd M., Donald J. Wright, and Loran D. Gibson. 2008. Ohio Biological Survey, P.O. Box 21370, Columbus, Ohio 43221-0370.