Tarachidia tortricina

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

SeasonalityIn Alberta adults have been collected from late May to mid August. IdentificationA very small (1.8-2.1 cm) narrow-winged dull grey, olive or yellow moth with few markings. The head, thorax and forewings are dull greenish grey to olive, immaculate in most Alberta specimens but with a small dark dot at the reniform and orbicular, and with a dark vertical mark indicating the lower part of a postmedian line in others. Fringe concolorous. Hindwings light to dark sooty brown with white fringes. Adults are variable in color, from dull yellow with fairly distinct mrkings to grey without any markings. One of the smallest noctuid moths, easily overlooked or mistaken for a species of microlepidoptera.

Scientific Name Tarachidia tortricina Habitat Dry wooded areas, grasslands and badlands. Seasonality In Alberta adults have been collected from late May to mid August. Identification

A very small (1.8-2.1 cm) narrow-winged dull grey, olive or yellow moth with few markings. The head, thorax and forewings are dull greenish grey to olive, immaculate in most Alberta specimens but with a small dark dot at the reniform and orbicular, and with a dark vertical mark indicating the lower part of a postmedian line in others. Fringe concolorous. Hindwings light to dark sooty brown with white fringes. Adults are variable in color, from dull yellow with fairly distinct mrkings to grey without any markings. One of the smallest noctuid moths, easily overlooked or mistaken for a species of microlepidoptera.

Life History Poorly known. The adults are nocturnal and come to light. The larvae have not been described and larval hosts are unknown. Conservation A widespread species, no concerns. Diet Info No Alberta data; elsewhere they have been associated with cultivated sunflowers (Helianthus sp.) Range Northern Ontario west to British Columbia, south to Texas. Widespread in southern Alberta, north to Edmonton and west to Calgary.

Page Citation

"Species Details - Tarachidia tortricina, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3698/9-397155. Accessed 08 Jan. 2025.

References

49 results plotted on map in 26 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM163381 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lost River Collected ByTroubridge; Lafontaine Date Collected2003-07-22

UASM163382 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Writing-On-Stone Provincial Park Collected ByTroubridge, J. Date Collected2000-06-28

UASM163383 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Writing-On-Stone Provincial Park Collected ByTroubridge, J. Date Collected2000-06-28

UASM163384 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Manitoba, Spirit Dunes Collected ByTroubridge; Lafontaine Date Collected2003-07-20

UASM163385 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Oregon, Harney county, Burns Collected ByTroubridge, J. Date Collected1999-06-13

UASM163386 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Hedley Collected ByMcGillis, J. R. Date Collected1953-07-16

JD2063 - Tarachidia tortricina

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Recreation Area Collected ByDombroskie, J. J.; Anweiler, G. G. Date Collected2007-05-26

Adult Seasonal Distribution

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