Tetracis cervinaria

(Packard, 1871)

A geometrid found in western North American montane regions. Forewing length 19–23 mm. active February through June. Larvae feed on Prunus emarginata and Prunus virginiana.

Tetracis cervinaria by (c) Ken-ichi Ueda, some rights reserved (CC BY). Used under a CC-BY license.Tetracis cervinaria syn Synaxis cervinaria 1 by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.Tetracis cervinaria syn Synaxis cervinaria by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.

Pronunciation

How to pronounce Tetracis cervinaria: /ˈtɛtrəsɪs sɛrˈvɪnɑːriə/

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

Identification

Formerly placed in Synaxis; distinguished from related Tetracis by genitalia (per revision). The , formerly presumed lost, was located and illustrated in the 2010 revision.

Images

Appearance

Forewing length 19–23 mm. Specific coloration and pattern details not documented in available sources.

Habitat

Montane environments at elevations of 790 to 2,375 meters.

Distribution

Western North America: British Columbia south to Kern County, California; eastward to western Montana, southeastern Idaho, Carbon County (Wyoming), and Larimer County (Colorado).

Seasonality

on wing from February to June.

Diet

Larvae feed on Prunus emarginata and Prunus virginiana. diet not documented.

Host Associations

  • Prunus emarginata - larval documented larval food plant
  • Prunus virginiana - larval documented larval food plant

Similar Taxa

  • Other Tetracis speciesFormerly classified in Synaxis; requires genitalia examination for reliable identification per taxonomic revision.

More Details

Taxonomic history

Formerly placed in Synaxis; synonymized with Tetracis in 2010 revision. The was presumed lost but was located and illustrated during the revision.

Sources and further reading