Pieridae
77a0468 –
4194 Pontia occidentalis
(Reakirt, 1866)
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Larva and
Host Plants: |
Host familiy: Brassicaceae Cleomaceae[Capparaceae]. Host genera: Anelsonia Arabis[unresolved] Athysanus Barbarea Boechera[=Arabis] Brassica Caulanthus[=Guillenia] Chorispora Descurainia Draba Lepidium Noccaea[=Thlaspi] Peritoma[=Cleome][=Isomeris] Phoenicaulis Rori... Notes: wide variety of mustards (Allen et al 2005); Thlaspi arvense-oviposition records-NOT a host plant (Scott 2020). (Shropshire & Douglas 2025)
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| Similar Species: |
- Pinned specimens of related species. (Hint: select View by Region on the related species page.)
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| Synonymy: |
occidentalis (Reakirt, 1866) (Pieris) - MONA 1983: 4194callidice of authors; (not Hübner, [1800]) (Papilio) misappl.ssp. a. occidentalis (Reakirt, 1866) (Pieris) calyce (Edwards, 1870) (Pieris)ssp. b. nelsoni (Edwards, 1883) (Pieris) boreoasiatica Kosterin & Gorbunov, 2007 (Pontia) |
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| 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.
- 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 the Butterflies of America
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