Digrammia triviata

(Barnes & McDunnough, 1917)

Digrammia triviata is a of geometrid first described in 1917 by William Barnes and James Halliday McDunnough. It belongs to the Geometridae, commonly known as inchworm or geometer moths. The species is distributed across North America. As with other members of the Digrammia, it is a species attracted to ultraviolet light sources.

Digrammia triviata by (c) Jeremy deWaard. University of British Columbia., some rights reserved (CC BY). Used under a CC-BY license.

Digrammia triviata by Jeremy deWaard, University of British Columbia. Used under a CC BY 3.0 license.

Pronunciation

How to pronounce Digrammia triviata: //daɪˈɡræmiə trɪˈvaɪətə//

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Identification

Members of the Digrammia are often referred to as "granite moths" due to their mottled gray and brown wing patterns that resemble stone surfaces. Specific diagnostic features for D. triviata distinguishing it from such as D. californiaria and D. muscariata are not documented in available sources. The Hodges number for this is 6385.

Images

Distribution

North America. Specific regional distribution within North America is not documented in available sources.

Behavior

; has been observed at blacklighting displays. Specific behavioral details beyond general -level traits are not documented.

Similar Taxa

Digrammia californiariaSimilar granite moth appearance and shared attraction to blacklighting displays; distinguished by specific wing pattern details not described in available sources for D. triviata
Digrammia muscariataSimilar granite moth appearance and shared attraction to blacklighting displays; frequently recorded together at lighting events

More Details

Nomenclature

Originally described as Phasiane triviata by Barnes & McDunnough in 1917; later transferred to Digrammia. The specific epithet 'triviata' is derived from Latin 'trivia' meaning 'crossroads' or 'commonplace,' possibly referring to the ' widespread or unremarkable appearance.

Research History

Despite being described over a century ago, detailed studies for this appear limited in published literature. Most recent records come from citizen science observations and museum blacklighting events rather than targeted research.