Results 151 to 160 of about 600 (191)
Repellent Effects of Coconut Fatty Acid Methyl Esters and Their Blends with Bioactive Volatiles on Winged Myzus persicae (Sulzer) Aphids (Hemiptera: Aphididae). [PDF]
InsectsMartín F +2 more
europepmc +1 more source
Early arrival of predators controls Aphis spiraecola colonies in citrus clementines
Journal of Pest Science, 2015 Aphis spiraecola Patch. (Hemiptera: Aphididae) is a key pest of citrus clementines. This aphid colonizes tender clementine shoots in the spring and causes important economic losses. A complex of predators preys on A. spiraecola colonies but does not result in satisfactory control.
Francesc Gómez-Marco +2 more
exaly +4 more sources
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Intervention Thresholds for Aphis spiraecola (Hemiptera: Aphididae) on Citrus clementina
Journal of Economic Entomology, 2006The production of clementine fruit was affected by varying densities of Aphis spiraecola Patch (Hemiptera: Aphididae) maintained on four groups of clementine, Citrus clementina Hort. ex Tan., trees individually isolated in mesh cages. A formula relating the number of aphids per square meter of canopy per group of trees to yield loss in that group of ...
A, Hermoso de Mendoza +4 more
exaly +3 more sources
Identification of Aphis spiraecola as a vector of Citrus yellow vein clearing virus
European Journal of Plant Pathology, 2018Citrus yellow vein clearing virus (CYVCV) was first discovered in China. Now CYVCV is widely distributed in the field, and has caused major economic losses in lemon production in China. However, no vector has been shown to transmit CYVCV from citrus to citrus. In this study, transmission of CYVCV by Aphis spiraecola was investigated.
Mengji Cao +2 more
exaly +2 more sources
BioControl, 2006 Flowering companion plants and plants producing extrafloral nectar are being proposed to enhance biological control in apple (Malus domestica Borkh.) orchards. This experiment evaluated the impact of floral and extrafloral resources on predation of spirea aphid (Aphis spiraecola Patch) on apple by adult Harmonia axyridis (Pallas) under greenhouse ...
Blaine Spellman +2 more
openaire +2 more sources
Importance of early arrival of adult Harmonia axyridis for control of Aphis spiraecola on apple
BioControl, 2010The biological control of aphid populations may only be possible when natural enemies arrive soon after aphid colonization. This study was done to identify how quickly adult Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) need to arrive at newly established spirea aphid [Aphis spiraecola Patch (Homoptera: Aphididae)] colonies on apple (Malus ...
M W Brown
exaly +2 more sources
Pest Management Science, 2020 Aphids are a major insect pest of forestry systems. In this study, we evaluate the potential of the ladybeetle Scymnus nubilus Mulsant (Coleoptera: Coccinellidae) as a biological control agent against Aphis spiraecola Patch and Cinara juniperi (De Geer) (
Roberto Meseguer +2 more
exaly +2 more sources
Biological Control of the Green Citrus Aphis (Aphis Spiraecola Patch) in Florida
Journal of Economic Entomology, 1928exaly +2 more sources
Artificial Production of Sexual Morphs in Aphis spiraecola
Journal of Asia-Pacific Entomology, 1998Abstract Aphis spiraecola (Patch) was reared on the dropwort, Oenathe javanica DC, for artificial production of sexual forms, for 3 generations under low temperature (12–18°C) and short day (12L : 12D to 10L : 14D) conditions. Sexual males were produced in the second generation and sexual females (oviparae) in the third generation. The percentage
Jeon Hong, Kyung Saeng Boo
openaire +1 more source