Results 21 to 30 of about 8,017 (249)

How a Melanism Mutant Responds to Different Temperatures: A Case Study in Ladybird Beetle <i>Harmonia axyridis</i> Demonstrating Thermal-Induced Phenotypic Plasticity. [PDF]

open access: yesEcol Evol
ml, inherited in a Mendelian autosomal recessive manner, is a novel melanism mutant of Harmonia axyridis. When compared to wt, ml exhibited vastly smaller changes in the occurrence frequencies of dark spots on both the dorsal cuticles of pupa and elytra in response to thermal variations. ml had very high melanin level even at 32.5°C and showed a higher
Sun YX   +6 more
europepmc   +2 more sources

Changes in the Physiological Adaptation and Regulation Ability in Harmonia axyridis under Chlorpyrifos and Imidacloprid Stress

open access: yesAgriculture, 2022
As the dominant natural enemy of aphids, Harmonia axyridis plays a crucial role in integrated pest control (IPM) in agro-ecosystems. In order to study the physiological adaptation and regulation ability of Harmonia axyridis to insecticides under chemical
Guoyong Li   +5 more
doaj   +1 more source

Invasion of the Asian Ladybird Harmonia axyridis (Pallas, 1773) in the European Part of Russia

open access: yesFrontiers in Conservation Science, 2021
The natural range of the Asian ladybird Harmonia axyridis (Pallas, 1773) covers the territories of China, Mongolia, Korea, Japan, and Russia (Far East, Southern Siberia, and Altai). Since the early 1980's, the global invasion of H.
Ilia Zakharov   +4 more
doaj   +1 more source

Harmonia axyridis (Coleoptera: Coccinellidae) in Serbia: Its presence on aphid-infested plants and co-occurrence with native aphidophagous coccinellids [PDF]

open access: yesPesticidi i Fitomedicina, 2020
The presence of the invasive coccinellid Harmonia axyridis in aphid colonies on plants, as well as its co-occurrence with native coccinellid predators was studied in the period 2011-2020.
Jovičić Ivana   +5 more
doaj   +1 more source

Aggregation behaviour of Harmonia axyridis

open access: green, 2013
The multicoloured Asian ladybeetle, Harmonia axyridis (Coleoptera: Coccinellidae), forms large aggregations inside dwellings to survive cold winters. The species’ migratory flight is well documented. Harmonia axyridis preferentially moves towards prominent and visually contrasting elements (Obata, 1986; Nalepa et al., 2005).
Delphine Durieux   +7 more
openalex   +3 more sources

Harmonia axyridis: a threat to Brazilian Coccinellidae? Harmonia axyridis: uma ameaça aos Coccinellidae brasileiros? [PDF]

open access: yesRevista Brasileira de Entomologia, 2009
Harmonia axyridis (Pallas) (Coleoptera, Coccinellidae) is a polyphagous Asian species, well-known as a classical biological control agent of aphids around the world, introduced probably accidentally in Brazil, sampled for the first time in 2002. It is an important intraguild predator, competing for food with native coccinellids.
Camila B. C. Martins   +4 more
openaire   +4 more sources

Parasitism of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) by Strongygaster brasiliensis (Towsend) (Diptera: Tachinidae)

open access: yesEntomoBrasilis, 2018
. Harmonia axyridis (Pallas) is a Coccinellidae species originating from northeast Asia and used in biological control of aphids. As an exotic species is very important to know its natural enemies.
Camila Castro-Guedes   +2 more
doaj   +1 more source

First confirmed record of Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) in the state of Mato Grosso do Sul, Brazil [PDF]

open access: yesCheck List, 2011
Harmonia axyridis is a predator of aphids and other soft-bodied insects. This coccinellid, native to Asia, has invaded North America, Europe, South America and Africa. We report the first detection of H.
Robert Koch   +2 more
doaj   +3 more sources

Do resistant plants provide an enemy-free space to aphids?

open access: yesEuropean Journal of Entomology, 2012
An experiment was conducted to compare the predation efficiency of the coccinellids Harmonia axyridis and Coleomegilla maculata on potato plants, Solanum tuberosum, and on a wild aphid-resistant species, Solanum tarijense.
Bruno FRÉCHETTE   +4 more
doaj   +1 more source

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