Species Details

Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NameShaded Granite SeasonalityOn the wing from June to August (McGuffin 1972). IdentificationA medium-sized, light grey geometrid with bold AM and PM lines on the forewing (remnants of these at the hindwing anal angle), and checkered wing fringes. Median band fainter, black discal spots prominent. Very similar to D. setonata, and can be reliably distinguished only by dissection (see McGuffin 1972). Habitat should separate the two most of the time in Alberta, with setonata only in the Crowsnest Pass region, and curvata in the southern prairies.

Scientific Name Digrammia curvata Common Name Shaded Granite Habitat Arid grasslands and badlands with rabbitbrush (Chrysothamnus). Seasonality On the wing from June to August (McGuffin 1972). Identification
A medium-sized, light grey geometrid with bold AM and PM lines on the forewing (remnants of these at the hindwing anal angle), and checkered wing fringes. Median band fainter, black discal spots prominent. Very…
A medium-sized, light grey geometrid with bold AM and PM lines on the forewing (remnants of these at the hindwing anal angle), and checkered wing fringes. Median band fainter, black discal spots prominent. Very similar to D. setonata, and can be reliably distinguished only by dissection (see McGuffin 1972). Habitat should separate the two most of the time in Alberta, with setonata only in the Crowsnest Pass region, and curvata in the southern prairies.
Life History Poorly known. McGuffin (1972) describes the immatures in detail. Adults come to light. Conservation No reasons for concern. Diet Info Larvae feed on rabbitbrush (Chrysothamnus) (McGuffin 1972). Range Southern Alberta and BC, south to NV and CO. In Alberta found north to Hanna.

Citation

Page Citation for Digrammia curvata

Page Citation

"Species Details - Digrammia curvata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4606. Accessed 21 Jul. 2024.

References

Specimen Information

There are 16 specimens of this Species.

16 results plotted on map in 6 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM41554 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Recreation Area Collected ByAnweiler, G. G.; Schmidt, B. C. Date Collected2000-05-19

UASM41555 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Recreation Area Collected ByAnweiler, G. G.; Schmidt, B. C. Date Collected2000-05-19

UASM41556 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Recreation Area Collected ByAnweiler, G. G.; Schmidt, B. C. Date Collected2000-05-19

UASM41557 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Recreation Area Collected ByAnweiler, G. G.; Schmidt, B. C. Date Collected2000-05-19

UASM41578 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lost River Collected ByAnweiler, G. G.; Troubridge, J. Date Collected2000-06-26/2000-06-27

UASM41579 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lost River Collected ByAnweiler, G. G.; Troubridge, J. Date Collected2000-06-26/2000-06-27

UASM41580 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lost River Collected ByPohl, G. Date Collected1996-06-14

UASM57118 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, South Saskatchewan River Collected ByAnweiler, G. G. Date Collected2004-06-02

UASM57480 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Onefour Collected ByAnweiler, G. G. Date Collected2005-05-20/2005-05-21

UASM57505 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Onefour Collected ByAnweiler, G. G. Date Collected2005-05-20/2005-05-21

UASM57506 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Onefour Collected ByAnweiler, G. G. Date Collected2005-05-20/2005-05-21

UASM58935 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Bindloss Collected ByAnweiler, G. G.; Troubridge, J. Date Collected2005-09-03

UASM58949 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Bindloss Collected ByAnweiler, G. G.; Troubridge, J. Date Collected2005-09-03

JD1944 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Tranquille Ecological Reserve Collected ByDombroskie, J. J.; Rose, A. Date Collected2006-09-01

UASM110825 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Pakowki Lake Collected ByAnweiler, G. G. Date Collected2008-08-10

JD2310 - Digrammia curvata

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Tranquille Ecological Reserve Collected ByDombroskie, J. J.; Whitehouse, C. Date Collected2007-06-01

Adult Seasonal Distribution