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Year 2009 Remove constraint 2009: 2009 Subjects population density Remove constraint population density: population density
Displaying items 91 - 95 of 95 start over

91. Trichogramma (Hymenoptera: Trichogrammatidae) Ecology in a Tropical Bt Transgenic Cotton Cropping System: Sampling to Improve Seasonal Pest Impact Estimates in the Ord River Irrigation Area, Australia

Description:
Includes references
Author:
Davies, A.P. , Pufke, U.S. , Zalucki, M.P.
Subject:
Trichogramma , parasitoids , biological control agents , Helicoverpa armigera , parasitism , population density , seasonal variation , estimation , sampling , life tables , population dynamics , insect ecology , Gossypium hirsutum , transgenic plants , Bacillus thuringiensis , Western Australia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

92. Use of landscape fabric to manage Diaprepes root weevil in citrus groves

Description:
Includes references
Author:
Duncan, L.W. , Stuart, R.J. , Gmitter, F.G. , LaPointe, S.L.
Subject:
Diaprepes abbreviatus , pest management , insect control , cultural control , fabrics , mulches , mulching , population density , Citrus , tree damage , roots , tree growth , fruit growing , orchards , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

93. Using Marked Lygus hesperus (Knight) (Hemiptera: Miridae) Adults to Evaluate Sweep Net Sampling in Cotton

Description:
Includes references
Author:
Spurgeon, Dale W.
Subject:
Lygus hesperus , adult insects , sampling , methodology , nets (equipment) , mark-recapture studies , population density , Gossypium barbadense , cotton , plant development
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

94. 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

95. Where to sample? Ecological implications of sampling strata in determining abundance and impact of natural enemies of the coffee berry borer, Hypothenemus hampei

Description:
Includes references
Author:
Jaramillo, Juliana , Chabi-Olaye, Adenirin , Borgemeister, Christian , Kamonjo, Charles , Poehling, Hans-Michael , Vega, Fernando E.
Subject:
Hypothenemus hampei , natural enemies , biological control agents , parasitoids , Bethylidae , hyperparasitoids , Aphanogmus , population density , population dynamics , insect ecology , seasonal variation , plant strata , sampling , Coffea arabica , insect control , Kenya
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009