Species Details
Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
Common NameStriped Chocolate-tip
SeasonalityAdults are on the wing in Alberta from late May to early July.
IdentificationA medium-size (2.5-3.0 cm wingspan) stubby-winged dusky brown moth with lighter oblique lines crossing the forewings and a straw yellow blotch near the apex. Hindwings the same color as forewings, but unmarked. The antennae are bipectinate and both sexes are similar. Similar to other Clostera species, in particular C. apicalis, but with a more mottled appearance. The pale yellow or gold patch near the apex separates strigosa from other Clostera species.
Scientific Name
Clostera strigosa
Common Name
Striped Chocolate-tip
Habitat
Poplar and mixedwood forest.
Seasonality
Adults are on the wing in Alberta from late May to early July.
Identification
A medium-size (2.5-3.0 cm wingspan) stubby-winged dusky brown moth with lighter oblique lines crossing the forewings and a straw yellow blotch near the apex. Hindwings the same color as forewings, but unmarked. The…
A medium-size (2.5-3.0 cm wingspan) stubby-winged dusky brown moth with lighter oblique lines crossing the forewings and a straw yellow blotch near the apex. Hindwings the same color as forewings, but unmarked. The antennae are bipectinate and both sexes are similar. Similar to other Clostera species, in particular C. apicalis, but with a more mottled appearance. The pale yellow or gold patch near the apex separates strigosa from other Clostera species.
Life History
There is one annual brood, which emerges in late spring. The adults are nocturnal and come to light. Unlike other members of the genus, strigosa is uncommon and usually only one or two specimens are collected in a season.
There is one annual brood, which emerges in late spring. The adults are nocturnal and come to light. Unlike other members of the genus, strigosa is uncommon and usually only one or two specimens are collected in a season.
Conservation
Although suitable habitat and hosts are abundant, this moth appears to be uncommon in Alberta.
Diet Info
No Alberta data. Elsewhere reported to feed on aspen poplar (Populus tremuloides) (Forbes, 1948).
Range
From Nova Scotia west across southern Canada to extreme southeastern BC (Wasa), south to Maine and New York. In Alberta found in the southern boreal mixedwood forest and aspen parklands.
Citation
Page Citation for Clostera strigosa
Page Citation
"Species Details - Clostera strigosa, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-462. Accessed 18 Apr. 2024.
References
Author
Forbes, William T. M.
Title
Lepidoptera of New York & neighbouring states : Part 2
Publication Date
1948
Series Title
Cornell University Agricultural Experiment Station. Memoir
Pages
263
Specimen Information
There are 28 specimens of this Species.
UASM2115 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Wolf Lake
Collected ByFuller, E.
Date Collected1994-06-22
UASM2252 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Redwater
Collected ByAnweiler, G. G.
Date Collected2000-07-01
UASM24178 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Nevis
Collected ByBird, C. D.
Date Collected2002-06-14
BIRD2201 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2001-05-22
BIRD2202 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2002-06-24
BIRD2203 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Nevis
Collected ByBird, C. D.
Date Collected2002-06-14
BIRD2204 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dry Island Buffalo Jump Provincial Park
Collected ByBird, C. D.
Date Collected2002-06-27
BIRD2205 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2003-05-28
BIRD5910 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Rochon Sands Provincial Park
Collected ByBird, C. D.
Date Collected2004-05-25
BIRD17795 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Big Knife Provincial Park
Collected ByBird, C. D.
Date Collected2006-05-30
UASM59903 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByAnweiler, G. G.
Date Collected2007-06-22
BIRD20719 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Stettler
Collected ByBird, C. D.
Date Collected2007-06-26
UASM187230 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Wasa Lake
Collected ByF.I.S.
UASM187231 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Carp Ridge
Collected ByTroubridge, J.
Date Collected2003-08-02
UASM187232 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Carp Ridge
Collected ByTroubridge, J.
Date Collected2004-06-05
UASM187233 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Carp Ridge
Collected ByTroubridge, J.
Date Collected2003-06-14
UASM187234 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: New Brunswick, Saint-Basile
Collected ByHensel, H.
Date Collected1999-06-05
UASM187235 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Ottawa
Collected ByTroubridge, J.
Date Collected2004-06-24
UASM187236 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Cayuga
Collected ByTroubridge, J.
Date Collected2003-06-15
UASM187237 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Cayuga
Collected ByTroubridge, J.
Date Collected2003-08-09
UASM187238 - Clostera strigosa
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Stittsville
Collected ByTroubridge, J.
Date Collected2003-06-20