Sicya macularia

(Harris, 1850)

Sharp-lined Yellow, Pink-bordered Yellow, Two-pronged Looper

Sicya macularia is a geometrid found across North America. It is recognized by its yellow wings with sharp, dark lines and pinkish margins. The has three recognized and is frequently documented on citizen science platforms. are active during spring and summer months.

Sicya macularia by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.Sicya macularia2 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.Sicya macularia 01 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.

Pronunciation

How to pronounce Sicya macularia: /ˈsɪsiə ˌmækjʊˈlɛəriə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

The "sharp-lined yellow" refers to the distinct dark linear markings on the yellow forewings. The alternative name "pink-bordered yellow" indicates pinkish coloration along the wing margins. The name "two-pronged looper" suggests larval characteristics, though specific details are not documented in available sources. Distinguishing features from similar yellow geometrids likely include the pattern of dark lines and marginal coloration, but precise diagnostic characters require additional sources.

Images

Distribution

North America. Documented presence in Canada (Alberta, Manitoba, Saskatchewan) and the United States (Vermont).

Similar Taxa

  • Other Sicya speciesCongeneric likely share yellow coloration and linear wing patterns; specific differentiation requires examination of genitalia or detailed wing pattern analysis.
  • Other yellow geometrids (e.g., Xanthotype spp.)Similar yellow ground color and dark markings; S. macularia distinguished by the combination of sharp linear markings and pinkish wing borders.

More Details

Taxonomic authority

Originally described as Ennomos macularia by Harris in 1850.

Subspecies

Three recognized: S. m. macularia (nominate), S. m. cruzensis Dyar, and S. m. laetula Barnes & McDunnough.

Hodges number

MONA ( of North America) number 6912.

Sources and further reading