Givira marga
Barnes & McDunnough, 1910
Givira marga is a carpenter in the Cossidae, first described by Barnes and McDunnough in 1910. The occurs in the southwestern United States, specifically California and Arizona. are active from late spring through summer, with a wingspan of approximately 30 mm. The species is characterized by gray forewings with fine black strigae forming bands, and smoky brown hindwings.



Pronunciation
How to pronounce Givira marga: //ɡiˈviː.ra ˈmar.ɡa//
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Identification
Distinguished from other Givira by the gray forewings with fine black strigae forming distinct bands in the outer third, combined with smoky brown hindwings that are lighter along the . The overall gray coloration with banded pattern separates it from the white or pale species such as Givira delindae from White Sands, New Mexico.
Images
Distribution
Recorded from California and Arizona in the southwestern United States.
Seasonality
active from May to August.
Similar Taxa
- Givira delindaeSimilar but distinguished by satiny-white wings with few or no dark markings, to White Sands National Monument, New Mexico.
- Other Givira speciesMost North American relatives are dark-colored or have substantial dark smudges on forewings, unlike the gray ground color with fine black strigae of G. marga.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
- Bravo to Vernard Lewis and Margaret Collins: Two Legendary Entomologists | Bug Squad
- Congratulations, Rei! | Bug Squad
- Highest bidder names a species after mother | Blog
- Bug Eric: June 2010
- Is This Non-Native Mason Bee an Invasive Species?