Search National Agricultural Library Digital Collections

You searched for:

Subjects mortality Remove constraint mortality: mortality Subjects population density Remove constraint population density: population density Subjects overwintering Remove constraint overwintering: overwintering

Displaying all 6 items start over

1. Biology and seasonal abundance of parasitoids of the banded sunflower moth (Lepidoptera: Tortricidae) in sunflower

Description:: Includes references
Author:: Charlet, L.D.
Subject:: Cochylis , Hymenoptera , parasitoids , parasitism , biological development , mortality , overwintering , biological control agents , Helianthus annuus , Helianthus , wild relatives , planting date , parasites , seasonal variation , population density , Cochylis hospes , North Dakota , South Dakota , Minnesota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001

2. Comparative efficacy of Beauveria bassiana, Bacillus thuringiensis, and aldicarb for control of Colorado potato beetle in an irrigated desert agroecosystem and their effects on biodiversity

Description:: Includes references
Author:: Lacey, L.A. , Horton, D.R. , Chauvin, R.L. , Stocker, J.M.
Subject:: aldicarb , Aphidoidea , Bacillus thuringiensis , bacterial insecticides , Beauveria bassiana , biological control , chemical control , Cicadelloidea , crop yield , defoliation , deserts , Heteroptera , insect control , irrigated farming , Leptinotarsa decemlineata , nontarget organisms , overwintering , population density , predatory insects , Solanum tuberosum , mortality , application rate , adverse effects , predators , Washington
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1999

3. Population dynamics of overwintering boll weevils, Anthonomus grandis grandis (Boheman) in the lower Rio Grande Valley of Texas

Description:: Conference held January 5-9, 2004, San Antonio, TX.
Author:: Greenberg, S.M. , Sappington, T.W. , Coleman, R.J.
Subject:: Anthonomus grandis grandis , population dynamics , overwintering , population density , mortality , fat body , insect reproduction , testes , ovarian development , oviposition , feeding behavior , seasonal variation , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

4. Russian honey bee (Hymenoptera: Apidae) colonies: Acarapis woodi (Acari: Tarsonemidae) infestations and overwintering survival

Description:: Includes references
Author:: De Guzman, L.I. , Rinderer, T.E. , Bigalk, M. , Tubbs, H. , Bernard, S.J.
Subject:: Apis mellifera , honey bee colonies , Acarapis woodi , mites , overwintering , mortality , pest resistance , food intake , population density , breeding lines , line differences , Apis mellifera ligustica , mite infestations , Iowa , Mississippi , Louisiana
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

5. The importance of winter mortality in the natural control of the European corn borer in New England

Description:: Includes references
Author:: Barber, George W.
Subject:: Ostrinia nubilalis , overwintering , mortality , winter , population ecology , population density , temporal variation , geographical variation , host plants , Zea mays , corn , snow , temperature , New England region
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1924

6. Variation in Winter Survival of the Invasive Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Across the Eastern United States

Description:: Includes references
Author:: Trotter, R. Talbot III , Shields, Kathleen S.
Subject:: Adelges tsugae , invasive species , overwintering , mortality , geographical variation , latitude , altitude , ambient temperature , population density , landscapes , host plants , Tsuga canadensis , Tsuga caroliniana , Eastern United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009