Results 21 to 30 of about 18,230 (261)

Ant-aphid interactions in multispecies ant communities: Some ecological and ethological aspects

European Journal of Entomology, 2005
Investigations of the interactions between aphids and ants in multispecies ant communities and an experimental investigation of some ethological aspects of ant-aphid interactions were carried out in mixed forests at Novosibirsk Academic Centre, from 1998-
Tatiana A. NOVGORODOVA
doaj   +1 more source

Performance and transcriptomic response of the English grain aphid, Sitobion avenae, feeding on resistant and susceptible wheat cultivars

Journal of Integrative Agriculture, 2021
Plant resistance against insects mainly depends on nutrient restriction and toxic metabolites, but the relative importance of nutrition and toxins remains elusive.
Hao LAN, Zhan-feng ZHANG, Jun WU, He-he CAO, Tong-xian LIU   +4 more
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A Lacustrine Aphid [PDF]

Science, 1905
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Establishment and Expansion of Harmonia axyridis Pallas (Coleoptera: Coccinellidae) in Urban Green Areas in the Iberian Peninsula: From 2015 to 2021

Insects, 2022
In the Western Palearctic region, Harmonia axyridis (Coleoptera: Coccinellidae) is mainly established in urban areas. In this study, we update its occurrence in urban areas of the Iberian Peninsula and determine its expansion after 2014.
Roberto Meseguer, Belén Lumbierres, Xavier Pons   +2 more
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Aphid Pheromones

, 2010
Aphids are the main insect pests of agricultural crops in temperate regions causing major economic losses. Although broad-spectrum insecticides are available for control, alternative and more targeted methods are needed due to insecticide resistance and increasing environmental pressures.
Dewhirst, S. Y., Pickett, J. A., Hardie, J.   +2 more
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Aphid transmission of nanoviruses [PDF]

Archives of Insect Biochemistry and Physiology, 2020
AbstractThe genus Nanovirus consists of plant viruses that predominantly infect legumes leading to devastating crop losses. Nanoviruses are transmitted by various aphid species. The transmission occurs in a circulative nonpropagative manner. It was long suspected that a virus‐encoded helper factor would be needed for successful transmission by aphids ...
Yahya Z. A. Gaafar, Heiko Ziebell
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Host plants and obligate endosymbionts are not the sources for biosynthesis of the aphid alarm pheromone

Scientific Reports, 2017
(E)-β-farnesene (EβF) is the major component of the alarm pheromone of many aphid species, but where EβF is synthesized in aphids is only partly understood.
Zhi-Juan Sun, Zheng-Xi Li
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Effect of epicuticular waxes from triticale on the feeding behaviour and mortality of the grain aphid, Sitobion avenae (Fabricius) (Hemiptera: Aphididae)

Journal of Plant Protection Research, 2016
Surface waxes from wax-covered triticale plants (RAH 122) were sprayed on plants of the waxless genotype RAH 366 or the surface waxes were used to make artificial diet preparations.
Wójcicka Agnieszka
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The effects of mepiquat chloride (DPC) on the soluble protein content and the activities of protective enzymes in cotton in response to aphid feeding and on the activities of detoxifying enzymes in aphids

BMC Plant Biology, 2022
Background Mepiquat chloride (DPC) enhances the resistance of cotton plants, and it is widely used as a growth regulator. DPC can stimulate photosynthesis, stabilize the structure of cotton leaves, and affect population reproduction and energy substances
Quan-Cheng Zhang, Xiao-Xia Deng, Jun-Gang Wang   +2 more
doaj   +1 more source

LAMPYRIDS AND APHIDS. [PDF]

The Canadian Entomologist, 1908
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