Species Details

Xestia mixta

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

Seasonalityadults from mid July through mid August IdentificationA medium-size (approximately 3.5-4.0 cm wingspan) moth with grey-black forewings and pale grey hindwings. The forewings are crossed with narrow, contrasting white "sawtoothed" basal, antemedian and postmedian lines. The reniform and orbicular spots are white, but filled or almost filled with dark scales and appearing as white rings. The subterminal and terminal lines are indicated by black scales forming small spots, and the fringe is lightly checkered, The hindwings are light grey, faintly banded and with a darker grey discal mark and narrow dark terminal line. Sexes similar and antennae simple. Very similar to but usually smaller than X. speciosa, which is usually lighter grey, not blackish, and has less contrasting white lines. There are also differences in the genitalia of both sexes (see Lafontaine 1998 for descriptions and images). In the mountains it is difficult to separate from dark forms of speciosa; in the boreal region it is most like X. perquiritata, which lacks the dark scales filling most of the reniform spot.

Scientific Name Xestia mixta Habitat open coniferous woodlands and boggy areas. Seasonality adults from mid July through mid August Identification
A medium-size (approximately 3.5-4.0 cm wingspan) moth with grey-black forewings and pale grey hindwings. The forewings are crossed with narrow, contrasting white "sawtoothed" basal, antemedian and postmedian lines.…
A medium-size (approximately 3.5-4.0 cm wingspan) moth with grey-black forewings and pale grey hindwings. The forewings are crossed with narrow, contrasting white "sawtoothed" basal, antemedian and postmedian lines. The reniform and orbicular spots are white, but filled or almost filled with dark scales and appearing as white rings. The subterminal and terminal lines are indicated by black scales forming small spots, and the fringe is lightly checkered, The hindwings are light grey, faintly banded and with a darker grey discal mark and narrow dark terminal line. Sexes similar and antennae simple. Very similar to but usually smaller than X. speciosa, which is usually lighter grey, not blackish, and has less contrasting white lines. There are also differences in the genitalia of both sexes (see Lafontaine 1998 for descriptions and images). In the mountains it is difficult to separate from dark forms of speciosa; in the boreal region it is most like X. perquiritata, which lacks the dark scales filling most of the reniform spot.
Life History
Adults are nocturnal and come to light. There is a single annual brood, with adults from mid July through mid August. The larva is described by Lafontaine (1998), and has been reared in the lab on blueberry (Vaccinium…
Adults are nocturnal and come to light. There is a single annual brood, with adults from mid July through mid August. The larva is described by Lafontaine (1998), and has been reared in the lab on blueberry (Vaccinium myrtilloides Michx.) (Ericaceae).
Diet Info The larva have been reared in the lab on blueberries (Vaccinium myrtilloides Michx.) Range This is a boreal species, found from NFLD west to the Alberta foothills, north to the southern NWT and south to southern AB. It is found in open coniferous woodlands and boggy areas. Notes
Bowman did not report mixta, possibly confusing it with speciosa. In the mountains X. speciosa occurs in several forms from grey to almost black, and some specimens of mixta can be difficult to identify correctly. The…
Bowman did not report mixta, possibly confusing it with speciosa. In the mountains X. speciosa occurs in several forms from grey to almost black, and some specimens of mixta can be difficult to identify correctly. The dark forms of speciosa can usually be recognized by the lack of the crisply contrasting white antemedian and postmedian bands.

Citation

Page Citation for Xestia mixta

Page Citation

"Species Details - Xestia mixta, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-6221. Accessed 22 Jul. 2024.

References

Specimen Information

There are 64 specimens of this Species.

64 results plotted on map in 17 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM78273 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Birch Mountains Wildland Provincial Park, Gardiner Lakes Collected ByMacaulay, D. A.; Macaulay, S. H. Date Collected2004-07-16

UASM78275 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Birch Mountains Wildland Provincial Park, Gardiner Lakes Collected ByMacaulay, D. A.; Macaulay, S. H. Date Collected2004-07-16

BIRD14314 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sundre Collected ByBird, C. D. Date Collected2002-07-28

BIRD14315 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Limestone Mountain Collected ByBird, C. D. Date Collected2002-07-29

BIRD14316 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nordegg Collected ByBird, C. D. Date Collected2004-07-23

BIRD14317 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nordegg Collected ByBird, C. D. Date Collected2004-08-12

BIRD14318 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Nordegg Collected ByBird, C. D. Date Collected2004-08-12

BIRD16092 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Fish Lake Recreation Area Collected ByBird, C. D. Date Collected2005-07-19

BIRD16093 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Fish Lake Recreation Area Collected ByBird, C. D. Date Collected2005-07-20

BIRD18767 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Rimbey Collected ByBird, C. D. Date Collected2006-07-21

BIRD18768 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Rimbey Collected ByBird, C. D. Date Collected2006-07-21

UASM99178 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Brown Creek Recreation Area Collected ByAnweiler, G. G. Date Collected1999-08-06/1999-08-08

UASM99179 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Brown Creek Recreation Area Collected ByAnweiler, G. G. Date Collected1999-08-06/1999-08-08

UASM99180 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Grande Cache Collected ByLawrie, D. Date Collected1998-07-18

UASM99185 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Caribou Mountains Wildland Park, Wentzel Lake Collected ByJohnson, T.; Vuinovic, D. Date Collected2003-07-16

UASM99190 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Caribou Mountains Wildland Park, Wentzel Lake Collected ByJohnson, T.; Vuinovic, D. Date Collected2003-07-16

UASM123271 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Mount Baldy Collected ByTroubridge, J. Date Collected1998-07-26

UASM123272 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Mount Baldy Collected ByTroubridge, J. Date Collected1998-07-26

UASM123273 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Mount Baldy Collected ByTroubridge, J. Date Collected1998-07-26

UASM123274 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Mount Baldy Collected ByTroubridge, J. Date Collected1998-07-26

UASM123275 - Xestia mixta

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Mount Baldy Collected ByTroubridge, J. Date Collected1998-07-26

Adult Seasonal Distribution