Results 101 to 110 of about 79,904 (348)
Effects of bioinsecticide exposure route on aphids and their natural enemies in oilseed rape
Pest Management Science, EarlyView.Fatty acids, silicone polymers and surfactants reduced aphid numbers but caused natural enemy mortality under direct exposure, while minimal residual activity suggests potential for targeted, compatible use in integrated pest management. Abstract BACKGROUND Myzus persicae Sulzer and Brevicoryne brassicae L.
Aimee J. Tonks +3 more
wiley +1 more source
Insects, 2017 Soybean aphid (Aphis glycines Matsumura) is a pest of soybean in the northern Midwest whose migratory patterns have been difficult to quantify. Improved knowledge of soybean aphid overwintering sites could facilitate the development of control efforts ...
Michael S. Crossley +4 more
doaj +1 more source
Life History and Laboratory Rearing of \u3ci\u3eCorythucha Juglandis\u3c/i\u3e (Hemiptera: Tingidae) With Descriptions of Immature Stages [PDF]
, 2017 The life history of Corythucha juglandis was investigated in Jackson and Alexander counties. Illinois. August 1981-December 1985 and the immature stages were described.
McPherson, J. E, Vogt, T. E
core +2 more sources
Pest Management Science, EarlyView.Migratory fall armyworms in West African breeding habitats showed clear seasonal movements: shifting southwest from January to May, turning northeast in June to July, and returning southwest from August to December. Abstract BACKGROUND The migratory invasive species fall armyworm (Spodoptera frugiperda, FAW) has established year‐round populations in ...
Fan‐Qi Gao +5 more
wiley +1 more source
Winter Survival of Grasses and Legumes in Subarctic Alaska as Related to Latitudinal Adaptation, Pre-Winter Storage of Food Reserves, and Dry-Matter Concentration in Overwintering Tissues [PDF]
, 1993 similar experiments, were to (a) compare winter hardiness in subarctic Alaska of numerous plant species and ecotypes from various latitudinal sources within most species, and (b) seek a better understanding of certain aspects of pre-winter ...
Klebesadel, Leslie J.
core
Pest Management Science, EarlyView.Beech residues left in shaded or semi‐shaded conditions pose a substantial risk of local Taphrorychus bicolor population outbreaks. The rapid removal or placement of residues in sun‐exposed locations can help mitigate this risk. Abstract BACKGROUND The bark beetle Taphrorychus bicolor has been traditionally classified as a secondary pest of European ...
Ivana Henzlová +4 more
wiley +1 more source
Aquaculture ReportsThe influence of four overwintering temperatures, namely 8 ℃, 12 ℃, 16 ℃, and 20 ℃, on lipid metabolism and fatty acid profile in the hepatopancreas and ovary tissues of female mud crab Scylla paramamosain was investigated during eight weeks.
Kaijia Yu +8 more
doaj +1 more source
Entomopathogenic nematodes for biological control of codling moth [PDF]
, 2008 Entomopathogenic nematodes are often found naturally infecting codling moth larvae. The effect of an autumn treatment with S. feltiae on the fruit damage in the following summer was evaluated by treating 4 different apple orchards in October 2004 and ...
Elias, E., Katz, P., Peters, A.
core
Seasonal Shoot-Feeding by \u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae) in Michigan [PDF]
, 2018 Seasonal shoot-feeding by Tomicus piniperda (L.) was monitored at 2 week intervals on 15 Scotch pine, Pinus sylvestris L., trees from 8 April through 16 November 1994 in southern Michigan. All shoots that showed evidence of T.
Haack, Robert A +2 more
core +2 more sources
West Nile virus in overwintering mosquitoes, central Europe
Parasites & Vectors, 2017 West Nile virus (WNV) is currently the most important mosquito-borne pathogen spreading in Europe. Data on overwintering of WNV in mosquitoes are crucial for understanding WNV circulation in Europe; nonetheless, such data were not available so far.
I. Rudolf +10 more
semanticscholar +1 more source