Geometridae
91a0720 –
6304 Speranza bitactata
(Walker, 1862)
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© Ian Maton
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Larva and
Host Plants: |
Host familiy: Grossulariaceae. Host genera: Ribes. (Shropshire & Douglas 2025 [accessed 6xii2025]) |
| Similar Species: |
- Pinned specimens of related species. (Hint: select View by Region on the related species page.)
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| Synonymy: |
bitactata (Walker, 1862) (Thera) - MONA 1983: 6304atrosignata (Walker, 1862) (Heterophleps)epigenata (Barnes & McDunnough, 1917) (Itame)packardaria (Möschler, 1883) (Halia) |
| Taxonomic Notes: |
Speranza bitactata (Walker, 1862), , inferred revived combination, is a member of the brunneata group (Ferguson) which includes Speranza wauaria (Linnaeus, 1758), rev. comb. (Õunap et al. 2024). The genus Speranza, rev. stat. (Õunap et al. 2024), was previously listed as a synonym of Macaria in Schmidt & McGuinness (in Pohl & Nanz (eds.) 2023) following the treatment in Sihvonen & Skou (2015). |
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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.
- Ferguson, D. C., 2008. Moths of America North of Mexico, Fascicle 17.2: p. 103; pl. 2.35-38. order or free PDF
- Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 27.38f; p. 206. 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)
- Sihvonen, P. & P. Skou, 2015. Ennominae I. In: A. Hausmann (ed.): The Geometrid Moths of Europe, 5: 1-657.
- Species Page at BugGuide.Net
- Species Page at E. H. Strickland Museum
- Species Page at iNaturalist
- Õunap, E., V. Nedumpally, E. Yapar, A.R. Lemmon & T. Tammaru, 2024. Molecular phylogeny of north European Geometridae (Lepidoptera: Geometroidea). Systematic Entomology, 50(1): 1-36. (first published 25 April 2024) (abstract and access (fee))
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© Janice Stiefel
© William Geoghegan
© Larry Line
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 – © CNC - Jocelyn Gill
 – © CNC - Jocelyn Gill
– © CNC - Jocelyn Gill
– © CNC - Jocelyn Gill
LG – © Jim Troubridge
LG – © Jim Troubridge
26mm – © Jim Vargo
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