BerthiaumeHebertLamontagneEtAl2009

Référence

Berthiaume, R., Hebert, C., Lamontagne, L., Picard, I. and Bauce, E. (2009) Daily oviposition pattern of Lambdina fiscellaria (Lepidoptera: Geometridae) under laboratory conditions. Canadian Entomologist, 141(3):309-315.

Résumé

The hemlock looper, Lambdina fiscellaria, is one of the most economically damaging defoliators of North American coniferous forests. Basic information on its reproductive biology is an essential prerequisite for understanding its population dynamics. Realized fecundity for the two major hemlock looper ecotypes varies along a latitudinal gradient in eastern Canada, but their daily oviposition patterns are similar. Mated females lay eggs after a short pre-oviposition period, with daily oviposition peaking in the first 3 days. Mated females lay significantly more eggs than unmated ones, the latter laying their eggs more evenly throughout their life. Eggs deposited early in the oviposition period are larger than those deposited near the end. This may influence over-winter survival of hemlock loopers and should be considered in studies to better understand the population dynamics and improve management of this defoliator.

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@ARTICLE { BerthiaumeHebertLamontagneEtAl2009,
    AUTHOR = { Berthiaume, R. and Hebert, C. and Lamontagne, L. and Picard, I. and Bauce, E. },
    TITLE = { Daily oviposition pattern of Lambdina fiscellaria (Lepidoptera: Geometridae) under laboratory conditions },
    JOURNAL = { Canadian Entomologist },
    YEAR = { 2009 },
    VOLUME = { 141 },
    PAGES = { 309-315 },
    NUMBER = { 3 },
    MONTH = { may },
    AF = { Berthiaume, RichardEOLEOLHebert, ChristianEOLEOLLamontagne, LucEOLEOLPicard, IsabelleEOLEOLBauce, Eric },
    C1 = { [Berthiaume, Richard; Bauce, Eric] Univ Laval, Fac Foresterie & Geomat, Dept Sci Bois & Foret, Quebec City, PQ G1K 7P4, Canada.EOLEOL[Hebert, Christian] Ressources Nat Canada, Serv Canadien Forets, Ctr Foresterie Laurentides, Quebec City, PQ G1V 4C7, Canada.EOLEOL[Lamontagne, Luc] Genivar, St Felicien, PQ G8K 1P6, Canada.EOLEOL[Picard, Isabelle] CEGEP Limoilou, Quebec City, PQ G1H 7L4, Canada. },
    DI = { 10.4039/n08-057 },
    EM = { Richard.Berthiaume@rncan-nrcan.gc.ca },
    FU = { Ecological Processes Network of the Canadian Forest Service ; AbitibiEOLEOLConsolidated ; Natural Sciences and Engineering Research Council ofEOLEOLCanada (NSERC) },
    FX = { We are grateful to Sylvain Lamontagne and Claudine Laurendeau of theEOLEOLCanadian Forest Service for their help in rearing hemlock loopers. ThisEOLEOLresearch was supported by the Ecological Processes Network of theEOLEOLCanadian Forest Service, graduate scholarships from AbitibiEOLEOLConsolidated and the Natural Sciences and Engineering Research CouncilEOLEOLof Canada (NSERC) to Richard Berthiaame, and a NSERC research grant toEOLEOLEric Bauce. },
    GA = { 479UH },
    J9 = { CAN ENTOMOL },
    JI = { Can. Entomol. },
    LA = { English },
    NR = { 27 },
    PA = { 393 WINSTON AVE, OTTAWA, ONTARIO K2A 1Y8, CANADA },
    PG = { 7 },
    PI = { OTTAWA },
    RP = { Berthiaume, R, Univ Laval, Fac Foresterie & Geomat, Dept Sci Bois &EOLEOLForet, Quebec City, PQ G1K 7P4, Canada. },
    SC = { Entomology },
    SN = { 0008-347X },
    TC = { 0 },
    UT = { ISI:000268686100004 },
    ABSTRACT = { The hemlock looper, Lambdina fiscellaria, is one of the most economically damaging defoliators of North American coniferous forests. Basic information on its reproductive biology is an essential prerequisite for understanding its population dynamics. Realized fecundity for the two major hemlock looper ecotypes varies along a latitudinal gradient in eastern Canada, but their daily oviposition patterns are similar. Mated females lay eggs after a short pre-oviposition period, with daily oviposition peaking in the first 3 days. Mated females lay significantly more eggs than unmated ones, the latter laying their eggs more evenly throughout their life. Eggs deposited early in the oviposition period are larger than those deposited near the end. This may influence over-winter survival of hemlock loopers and should be considered in studies to better understand the population dynamics and improve management of this defoliator. },
    KEYWORDS = { HEMLOCK LOOPER LEPIDOPTERA; SPRUCE BUDWORM; BALSAM FIR; EGG SIZE; FECUNDITY; CATERPILLAR; ADAPTATION; CANADA },
    OWNER = { sobru1 },
    PUBLISHER = { Entomol Soc Canada },
    TIMESTAMP = { 2009.08.14 },
}

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