Species Details

Syngrapha alias

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

Common NameHooked Silver Y SeasonalityIn Alberta, adults are on the wing from late June through August. IdentificationA medium-size moth (3.0-3.4 cm wingspan) with dark grey-black forewings and brown hindwings. Forewings are blackish grey with scattered white scaling in the basal area and along the costa, especially near the apex. The lines and spots are also incompletely marked with white scales. The area below the stigma is more solid dark grey or black. Silver stigma is prominent and moderately thick, V-shaped and usually joined to a solid satellite spot. Hind wings are yellow-brown, shading to a broad sooty marginal band. Antennae are simple and the sexes are alike. Very similar to S. abstrusa, which averages a bit smaller, browner, and often has the stigma separate from the satellite spot. Abstrusa also flies a bit earlier than alias (June versus July) and prefers drier habits. The genitalia must be examined to positively separate the two species. Male clasper valves of alias are short, reaching about one-third or less of the width of the valve, while in abstrusa, it extends almost to the margin. See also S. octoscripta, S. interrogationis, S. rectangula and S. angulidens.

Scientific Name Syngrapha alias Common Name Hooked Silver Y Habitat Coniferous and mixedwood forest. Seasonality In Alberta, adults are on the wing from late June through August. Identification
A medium-size moth (3.0-3.4 cm wingspan) with dark grey-black forewings and brown hindwings. Forewings are blackish grey with scattered white scaling in the basal area and along the costa, especially near the apex. …
A medium-size moth (3.0-3.4 cm wingspan) with dark grey-black forewings and brown hindwings. Forewings are blackish grey with scattered white scaling in the basal area and along the costa, especially near the apex. The lines and spots are also incompletely marked with white scales. The area below the stigma is more solid dark grey or black. Silver stigma is prominent and moderately thick, V-shaped and usually joined to a solid satellite spot. Hind wings are yellow-brown, shading to a broad sooty marginal band. Antennae are simple and the sexes are alike. Very similar to S. abstrusa, which averages a bit smaller, browner, and often has the stigma separate from the satellite spot. Abstrusa also flies a bit earlier than alias (June versus July) and prefers drier habits. The genitalia must be examined to positively separate the two species. Male clasper valves of alias are short, reaching about one-third or less of the width of the valve, while in abstrusa, it extends almost to the margin. See also S. octoscripta, S. interrogationis, S. rectangula and S. angulidens.
Life History The adults are nocturnal and come to light. The larvae are solitary defoliators of conifers. They also overwinter as larvae. Conservation A common, widespread species; no concerns. Diet Info
Data for Canada, including Alberta, show the larvae utilize a variety of coniferous trees as hosts, including spruce (Picea), fir (Abies), hemlock (Tsuga), pine (Pinus) and Tamarack (Larix). White spruce (Picea…
Data for Canada, including Alberta, show the larvae utilize a variety of coniferous trees as hosts, including spruce (Picea), fir (Abies), hemlock (Tsuga), pine (Pinus) and Tamarack (Larix). White spruce (Picea glauca) is by far the most frequently recorded host, followed by Balsam fir (Abies balsamifera).
Range
Newfoundland to Alaska and Vancouver Island, north to near treeline and south in the west to coastal north California and Arizona; in the east to North Carolina. In Alberta, alias is found throughout the Boreal…
Newfoundland to Alaska and Vancouver Island, north to near treeline and south in the west to coastal north California and Arizona; in the east to North Carolina. In Alberta, alias is found throughout the Boreal forest, Foothills and Mountain regions, as well as in the Cypress Hills, wherever coniferous forest is present.

Citation

Page Citation for Syngrapha alias

Page Citation

"Species Details - Syngrapha alias, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1503. Accessed 29 Feb. 2024.

Authorship

Name Anweiler, G. G.
Role species page author

References

Specimen Information

There are 113 specimens of this Species.

113 results plotted on map in 46 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM170180 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, West Castle River Road Collected ByLawrie, D. Date Collected1999-07-24

UASM170181 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByLawrie, D. Date Collected2000-08-05

UASM170182 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, Edmundston Collected ByHensel, H. Date Collected2001-06-26

UASM170183 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, Edmundston Collected ByHensel, H. Date Collected2001-06-26

UASM170184 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Mount Kobau Collected ByTroubridge, J. Date Collected1998-08-13

UASM170185 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Mount Kobau Collected ByTroubridge, J. Date Collected1998-08-13

UASM170186 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Mount Kobau Collected ByTroubridge, J. Date Collected1999-08-04

UASM170187 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Mount Kobau Collected ByTroubridge; Hensel Date Collected2000-08-02

UASM170188 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, York county Collected ByWebster, R. P. Date Collected1992-07-16

UASM170189 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: New Brunswick, York county Collected ByWebster, R. P. Date Collected1992-07-16

UASM170190 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Manning Provincial Park Collected ByTroubridge, J. Date Collected1993-07-23

UASM170191 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: British Columbia, Manning Provincial Park Collected ByTroubridge, J. Date Collected1993-07-23

UASM170192 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170193 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170194 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170195 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170196 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170197 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170198 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170199 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Jasper National Park, Pocahontas Collected ByTroubridge, J. Date Collected1994-06-29

UASM170200 - Syngrapha alias

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Waterton Lakes National Park, Chief Mountain Collected ByRoe; Lumley; Schmidt Date Collected2005-07-08

Adult Seasonal Distribution