Plagodis

Hübner, 1825

Species Guides

6

Plagodis is a of geometrid moths established by Jacob Hübner in 1825. The genus includes approximately 30 described distributed across the Holarctic region, with notable diversity in both Europe and North America. Several species are recognized for their distinctive wing patterns and resting postures. The genus name derives from Greek, referring to the oblique or slanted wing posture characteristic of many species at rest.

Plagodis kuetzingi by (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette. Used under a CC-BY license.Plagodis phlogosaria3 by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.Plagodis phlogosaria2 by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.

Pronunciation

How to pronounce Plagodis: //ˈplæɡəˌdɪs//

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Identification

Members of Plagodis typically exhibit broad, somewhat triangular forewings with rounded outer margins. At rest, many hold their wings flat or slightly tented, with the characteristically pointing upward—a trait particularly evident in Plagodis dolabraria. Wing patterns often include fine vermiculate or reticulate brown markings on a lighter ground color, with some species showing darkened or trailing wing areas. The lacks the pronounced angular wing tips seen in related geometrid genera such as Ourapteryx.

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Habitat

occur primarily in deciduous woodland and mixed forest . Larval stages are associated with broad-leaved trees.

Distribution

Holarctic distribution spanning Europe, Asia (extending to Japan), and North America. European records include Denmark, Norway, and Sweden. North American distribution includes the northeastern United States (Vermont) and adjacent regions.

Human Relevance

Males of at least one (Plagodis dolabraria) are readily attracted to light, making them accessible to amateur entomologists and contributing to citizen science records. The has been subject to genomic study, with Plagodis dolabraria selected for -level sequencing as part of the Darwin Tree of Life project.

Similar Taxa

  • OurapteryxOurapteryx possess distinctly tailed or angled hindwings, whereas Plagodis species have rounded wing margins without tail-like projections.
  • BistonBiston typically show more cryptic bark-matching coloration and rest with wings held tightly against the substrate, unlike the elevated posture seen in Plagodis.

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Sources and further reading