Symbiontâmediated chemical defense in the invasive ladybird Harmonia axyridis
Sign Up to like & getrecommendations! Published in 2019 at "Ecology and Evolution"
DOI: 10.1002/ece3.4840
Abstract: The volatile alkylpyrazines methyl- and methoxypyrazines (MPs) present in the reflex bleeds of coccinellid beetles such as the harlequin ladybird beetle Harmonia axyridis are important semiochemicals that function in antipredatory defense behavior. Pyrazines have also… read more here.
Keywords: harmonia axyridis; defense; symbiont mediated; mediated chemical ... See more keywords
Sublethal and transgenerational effects of thiamethoxam applied to cotton seed on Chrysoperla externa and Harmonia axyridis.
Sign Up to like & getrecommendations! Published in 2019 at "Pest management science"
DOI: 10.1002/ps.5166
Abstract: BACKGROUND Thiamethoxam, when applied as a seed treatment, can contaminate plant products, such as extrafloral nectar, and have non-target effects on beneficial arthropods. This study assessed the non-target effects of thiamethoxam applied to cotton seed… read more here.
Keywords: effects thiamethoxam; seed; treatment; thiamethoxam applied ... See more keywords
Key role of juvenile hormone in controlling reproductive diapause in females of the Asian lady beetle Harmonia axyridis.
Sign Up to like & getrecommendations! Published in 2021 at "Pest management science"
DOI: 10.1002/ps.6619
Abstract: BACKGROUND The Asian lady beetle Harmonia axyridis is an important predator of several agricultural pests, including aphids and whiteflies, and thus can contribute to pest management. Commercial viability as a pest control method requires that… read more here.
Keywords: beetle harmonia; reproductive diapause; lady beetle; axyridis ... See more keywords
Toxicity and risk assessment of nine pesticides on nontarget natural predator Harmonia axyridis (Coleoptera: Coccinellidae).
Sign Up to like & getrecommendations! Published in 2022 at "Pest management science"
DOI: 10.1002/ps.7130
Abstract: BACKGROUND Harmonia axyridis (Coleoptera: Coccinellidae) is a beneficial predatory arthropod in the agricultural ecosystem. For the success and development of integrated pest management strategies, it is essential to assess the toxicity risks of commonly used… read more here.
Keywords: harmonia axyridis; coleoptera coccinellidae; risk; axyridis coleoptera ... See more keywords
The role of Perilla frutescens flowers on fitness traits of the ladybird beetle Harmonia axyridis
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DOI: 10.1007/s10526-019-09937-1
Abstract: Predaceous ladybird beetles are known to consume alternative foods from flowers, especially when prey is scarce. Flower-rich semi-natural habitats in agroecosystems generally host a diversity of natural enemies, including predaceous ladybird beetles, suggesting that the… read more here.
Keywords: harmonia axyridis; fitness traits; axyridis; perilla frutescens ... See more keywords
Invasive host caught up with a native parasitoid: field data reveal high parasitism of Harmonia axyridis by Dinocampus coccinellae in Central Europe
Sign Up to like & getrecommendations! Published in 2019 at "Biological Invasions"
DOI: 10.1007/s10530-019-02027-4
Abstract: The harlequin ladybird, Harmonia axyridis, is considered to be one of the most invasive insect species worldwide. Its invasion success and extreme speed of range expansion has been partially attributed to weak control of its… read more here.
Keywords: harmonia axyridis; central europe; axyridis; parasitism ... See more keywords
Volatiles from aphid-infested plants attract adults of the multicolored Asian lady beetle Harmonia axyridis
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DOI: 10.1016/j.biocontrol.2018.11.008
Abstract: Abstract Volatiles play important roles in the recruitment of arthropod natural enemies, and are widely used in foraging by the multicolored Asian lady beetle Harmonia axyridis Pallas (Coleoptera: Coccinellidae). In its native range in Asia… read more here.
Keywords: multicolored asian; lady beetle; beetle harmonia; axyridis ... See more keywords
Long-term effects of chlorantraniliprole reduced risk insecticide applied as seed treatment on lady beetle Harmonia axyridis (Coleoptera: Coccinellidae).
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DOI: 10.1016/j.chemosphere.2018.12.058
Abstract: Chlorantraniliprole (CAP) is a reduced risk insecticide, which used as seed treatment in many crops. However, CAP residues can contaminate pollen and nectar, becoming a potential risk to beneficial arthropods. The aims of this study… read more here.
Keywords: seed; risk; treatment; axyridis ... See more keywords
Fate of multiple Bt proteins from stacked Bt maize in the predatory lady beetle Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae).
Sign Up to like & getrecommendations! Published in 2020 at "Environmental pollution"
DOI: 10.1016/j.envpol.2020.115421
Abstract: Insecticidal Cry proteins from Bacillus thuringiensis (Bt) can be transferred from genetically engineered crops to herbivores to natural enemies. For the lady beetle Harmonia axyridis, we investigated potential uptake of Cry proteins from the gut… read more here.
Keywords: protein; cry proteins; lady beetle; axyridis ... See more keywords
Melanin Synthesis Pathway Interruption: CRISPR/Cas9-mediated Knockout of dopa decarboxylase (DDC) in Harmonia axyridis (Coleoptera: Coccinellidae)
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Insect Science"
DOI: 10.1093/jisesa/ieac048
Abstract: Abstract CRISPR/Cas9 technology is a very powerful genome editing tool and has been used in many insect species for functional genomics studies through targeted gene mutagenesis. Here, we successfully established CRISPR/Cas9 research platform in Asian… read more here.
Keywords: crispr cas9; cas9; gene; axyridis ... See more keywords
The failed invasion of Harmonia axyridis in the Azores, Portugal: Climatic restriction or wrong population origin?
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DOI: 10.1111/1744-7917.12756
Abstract: We tested two questions: (i) whether the climatic conditions of the Azorean Islands in Portugal may have restricted the invasion of Harmonia axyridis across this archipelago and (ii) determine what population of this species could… read more here.
Keywords: harmonia axyridis; climatic conditions; axyridis; invasion harmonia ... See more keywords