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TaxonomyBrowse
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Genus Gretchena

Arrowhead Moth -- Gretchena deludana? - Gretchena Gretchena - Gretchena amatana Mottled gray moth - Gretchena bolliana Pecan Bud Moth - Gretchena bolliana Pecan Bud Moth - Gretchena bolliana tortricid moth - Gretchena Gretchena concitatricana Moth - Gretchena concubitana
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 Gretchena
Synonyms and other taxonomic changes
Gretchena Heinrich, 1923 (1)
Identification

G. amatana                 G. bolliana                 G. concitatricana         G. concubitana           G. deludana                 G. nymphana           G. watchungana
Remarks
Key To The Species Of Gretchena (1)
1. FW with ocelloid spot white and sharply contrasted against ground color - 2
    FW without ocellus, or with ecelloid patch, not white or sharply contrasted against ground color - 3
2. Dark ground color blackish fuscous without admixture of ferruginous brown - watchungana
3. FW with dark and pale shadings contrasted; ocelloid patch at least indicated; cilia with a whitish dash below apex - 4
4. FW with no crescent or blotch of contrasting scaling above ocelloid patch - concubitana
    FW with crescent or blotch of black scaling above ocelloid patch - 5
5. Ground color and major part of FW very pale ashy gray - 7
    Ground color dark gray or, if pale, with the dark scaling occupying major portion of win- 6
6. Subcostal area of FW suffused with dark scaling; basal patch complete - amatana
7. Black scaling above ocellus fusing with a black dash at apex and a black streak along upper outer margin of cell, forming a continuous wavy black line - bolliana
    Black line above ocellus curving down to lower middle of wing, not fusing with the black streak on upper outer margin of cell - deludana
Print References
Brown, R.L., 1982. Notes on Gretchena: a new species and the synonymy of Gwendolina (Lepidoptera: Tortricidae). Proceedings of the Entomological Society of Washington 84(3): 594-602. (2)
Heinrich, C., 1923. Revision of the North American moths of the subfamily Eucosminae of the family Olethreutidae. United States National Museum Bulletin, 123: 179. (1)
Internet References
Moth Photographers Group - images of pinned adults
Works Cited
1.Revision of the North American moths of the subfamily Eucosminae of the family Olethreutidae
Carl Heinrich. 1923. United States National Museum Bulletin 123: 1-298.
2.Notes on Gretchena: a new species and the synonymy of Gwendolina (Lepidoptera: Tortricidae).
Richard L. Brown. 1982. Proceedings of the Entomological Society of Washington 84(3): 594-602.