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Digital Guide to Moth Identification

Tortricidae 51a0938.1 – 3014   Pelochrista ridingsana (Robinson, 1869)              Snakeweed Borer

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Larva and Host Plants: Host familiy: Amaranthaceae[Chenopodiaceae] Asteraceae.  Host genera: Corethrogyne Grindelia Gutierrezia Heterotheca Isocoma Sarcobatus.  Notes: NOT-Pinus (Powell & Opler 2009); NOT-Pinus, ?Sarcobatus (JW Brown et al 2008); .  (Shropshire & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: ridingsana (Robinson, 1869) (Conchylis) - MONA 1983: 3014 magnidicana (Heinrich, 1923) (Eucosma) - MONA 1983: [3017] Taxonomic Notes: Pelochrista ridingsana (Robinson, 1869), formerly placed in the genus Eucosma, Gilligan et al. (2013), Zootaxa, 3746(2): 301-337, includes as a synonym 3017 Pelochrista magnidicana (Heinrich, 1923), MONA Fascicle 9.5: 78.

References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)

Barcode of Life (BOLD) - Caution: Identifications often erroneous; DNA barcode provides evidence of relatedness, not proof of identification; many specimens not sequenced. Gilligan, T.M. & D.J. Wright, 2013. Revised world catalogue of Eucopina, Eucosma, Pelochrista, and Phaneta (Lepidoptera: Tortricidae: Eucosmini). Zootaxa, 3746(2): 301-337. (PDF) Gilligan, Wright & Gibson, 2008. Olethreutine Moths of the Midwestern United States: p. 103.135. (PDF) Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 15.23m, 15.24f; p. 134. Book Review and ordering Shropshire, K.J. & D.W. Tallamy, 2025. Lepidoptera of North America, north of Mexico: an annotated list containing geographic ranges and host-plant records. ZooKeys, 1261: 101-113; Suppl. 1. (PDF or read online) Species Page at BugGuide.Net Species Page at iNaturalist Species page at Moths of North Dakota. Wright, D.J. & T.M. Gilligan, 2017. Pelochrista Lederer of the Contiguous United States and Canada (Lepidoptera: Tortricidae: Eucosmini). The Moths of America north of Mexico, Fascicle 9.5: 1-376, order.

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