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Species Eupithecia bolterii - Hodges#7500

Eupithecia bolterii Eupithecia bolterii moth - Eupithecia bolterii Eupithecia bolterii? - Eupithecia bolterii Eupithecia bolterii Eupithecia species - Eupithecia bolterii Eupithecia bolterii Eupithecia bolterii - female
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 Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Larentiinae
Tribe Eupitheciini
Genus Eupithecia
Species bolterii (Eupithecia bolterii - Hodges#7500)
Hodges Number
7500
Synonyms and other taxonomic changes
Eupithecia bolterii (Hulst, 1900)
Tephroclystia bolterii Hulst, 1900
Identification
See this marked-up gray example for details: , and Ann Hendrickson's characteristic buff-colored example from Edwards County: .
[Adapted from McDunnough (1949), p. 589(1)] Forewings pointed apically (narrower than most other Eupithecia’s in region); ground color of forewings pale gray or buff; two dark brown oblique lines from the costa form a more or less evident triangular patch above the discal spot; the discal spot is elongate, black, upright; a dark streak runs from base of discal spot at least 1/3 towards FW base. There are often unmarked pale patches on the forewings on either side of the discal spot, and the upper (usually hidden) portion of the hindwings is typically unmarked, more so than on other species.
On unworn specimens, a black inverted "Y" or 3-bladed "propeller" on the buff thorax is usually conspicuous and seems to be diagnostic for bolterii, at least among Texas species.
Range
Arizona to central Texas.
Print References
Blanchard, A. & E.C. Knudson, 1985. The Eupithecia (Lepidoptera, Geometridae) of Texas, with the description of a new species. Proceedings of the Entomological Society of Washington. 87: 666. (2)
McDunnough, J.H., 1949. Revision of the North American species of the genus Eupithecia. Bulletin of the American Museum of Natural History 93(8). (1)
Works Cited
1.Revision of the North American species of the genus Eupithecia (Lepidoptera, Geometridae)
James H. McDunnough. 1949. Bulletin of the American Museum of Natural History 93(8).
2.The Eupithecia (Lepidoptera, Geometridae) of Texas, with the description of a new species
A. Blanchard, E. C. Knudson . 1985. Proceedings of The Entomological Society of Washington 87: 662-674.
3.North American Moth Photographers Group
4.BOLD: The Barcode of Life Data Systems