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Species Details
Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
Common NameThree-banded Ladybug
SeasonalityNo studies on lifespan exist, but like most Coccinellidae species, it has two generations in one year. It emerges during early spring. The second generation adults probably emerge sometime during summer. There may be some overlap between the two generations, but only the second generation will over winter (ADW, 2012).
IdentificationThe subspecies C. t. perplexa (Mulsant) is commonly found in Alberta. It is 4.0-5.0 mm long. It is a round ladybug with reddish-orange elytra with three black bands. Middle and apical bands are interrupted and appear discontinuous (Acorn, 2007; Belicek, 1976). The subspecies C. t. subversa (LeConte) is found in Pacific states. The elytron of this close relative is usually not pigmented and only has the 1st of the three black bands (Johnson, 1910).
Scientific Name
Coccinella trifasciata
Common Name
Three-banded Ladybug
Habitat
Alfalfa fields, peach and apple orchids, parklands and boreal forest were the preferred habitats before the arrival of C. septempunctata. Now more of a habitat specialist (Belicek, 1976; Hodek & Honek, 1996).
Seasonality
No studies on lifespan exist, but like most Coccinellidae species, it has two generations in one year. It emerges during early spring. The second generation adults probably emerge sometime during summer. There may be…
No studies on lifespan exist, but like most Coccinellidae species, it has two generations in one year. It emerges during early spring. The second generation adults probably emerge sometime during summer. There may be some overlap between the two generations, but only the second generation will over winter (ADW, 2012).
Identification
The subspecies C. t. perplexa (Mulsant) is commonly found in Alberta. It is 4.0-5.0 mm long. It is a round ladybug with reddish-orange elytra with three black bands. Middle and apical bands are interrupted and appear…
The subspecies C. t. perplexa (Mulsant) is commonly found in Alberta. It is 4.0-5.0 mm long. It is a round ladybug with reddish-orange elytra with three black bands. Middle and apical bands are interrupted and appear discontinuous (Acorn, 2007; Belicek, 1976). The subspecies C. t. subversa (LeConte) is found in Pacific states. The elytron of this close relative is usually not pigmented and only has the 1st of the three black bands (Johnson, 1910).
Life History
Not much is known about the life history of this species, but much can be extrapolated from its close relative Coccinella transversoguttata. Adult females will lay eggs when the average temperature is around 120C. The…
Not much is known about the life history of this species, but much can be extrapolated from its close relative Coccinella transversoguttata. Adult females will lay eggs when the average temperature is around 120C. The larvae have four instars before it pupates. The adult will emerge during summer. Not much is known about reproduction, but adults can mate multiple times with different partners (ADW, 2012).
Conservation
Decrease in relative abundance due to competitive displacement by C. septempunctata. No evaluation, but may be a candidate for future conservation efforts.
Diet Info
In a laboratory test, it did not seem to be picky (Belicek, 1976). Although it can feed on pollen, it needs more to finish its developmental stages. In an experiment the larvae ate various nymph leafhopper species…
In a laboratory test, it did not seem to be picky (Belicek, 1976). Although it can feed on pollen, it needs more to finish its developmental stages. In an experiment the larvae ate various nymph leafhopper species (Belicek, 1976; Hodek & Honek, 1996).
Range
Extends throughout most of North America, except northern Canada, northern Alaska and Pacific coast. C. t. subversa on the other hand is found in Pacific Northwest (Belicek, 1976; Kits, 2005).
Citation
Page Citation for Coccinella trifasciata
Page Citation
"Species Details - Coccinella trifasciata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-31341/9-271655. Accessed 31 Oct. 2024.
References
Title
Coccinella transversoguttata ADW
Author
Belicek, J.
Title
Coccinellidae of Western Canada and Alaska.
Publication Date
1976
Author
Johnson, R. H.
Title
Determinate evolution in the color-pattern of the lady-beetles.
Publication Date
1910
Pages
104 pp
Author
Hodek, I. and A. Honek
Title
Ecology of Coccinellidae.
Publication Date
1996
Pages
464 pp
Author
Acorn, John
Title
Ladybuds of Alberta: finding the spots and connecting the dots.
Publication Date
2007
Pages
169 pp
Author
Kits, J.
Title
Species Coccinella trifasciata - Three-banded Lady Beetle
Publication Date
2005
Specimen Information
There are 63 specimens of this Species.
UASM115183 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Waterton Lakes National Park
Collected BySnyder, M.
Date Collected2002-07-05
UASM205440 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Blairmore
Collected ByStewart, S.
Date Collected1957-06-30
UASM205441 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Ottawa
Collected ByRolseth, B.
Date Collected1967-08-21
UASM205442 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Ottawa
Collected ByRolseth, B.
Date Collected1967-08-12
UASM205443 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Ottawa
Collected ByRolseth, B.
Date Collected1967-08-12
UASM205444 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Edmonton
Collected ByCarr, F. S.
Date Collected1915-05-08
UASM205445 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Gull Lake
Collected ByStrickland, E. H.
Date Collected1929-06-08
UASM205446 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Robb
Collected ByBelicek, J.
Date Collected1972-06-27
UASM205447 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Jasper National Park, Miette Hotsprings
Collected ByBelicek, J.
Date Collected1972-06-28
UASM205448 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Dillberry Lake Provincial Park, Dillberry Lake
Collected ByBall, G. E.
Date Collected1960-06-05
UASM205449 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205450 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205451 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205452 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205453 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205454 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, English Bay
Date Collected1972-05-30
UASM205455 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Vancouver Island, Courtenay
Date Collected1932-05-03
UASM205456 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: British Columbia, Vancouver Island, Courtenay
Date Collected1932-05-03
UASM205457 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Northwest Territories, Kakisa River
Collected ByBelicek, J.
Date Collected1973-06-21
UASM205458 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Calling Lake
Date Collected1964-06-22
UASM205459 - Coccinella trifasciata
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Cooking Lake
Collected ByMorrison, F. O.
Date Collected1937-07-18