Prevalence of maternally-inherited bacteria in native and invasive populations of the harlequin ladybird beetle Harmonia axyridis

2021 ◽  
Author(s):  
Hongran Li ◽  
Xiaohan Shu ◽  
Ling Meng ◽  
Xuguo Zhou ◽  
John J. Obrycki ◽  
...  
Keyword(s):  
Harmonia Axyridis ◽  
Ladybird Beetle ◽  
Harlequin Ladybird

scholarly journals The invasion history, distribution and colour pattern forms of the harlequin ladybird beetle Harmonia axyridis (Pall.) (Coleoptera, Coccinellidae) in Slovakia, Central Europe

ZooKeys ◽  
2014 ◽  
Vol 412 ◽  
pp. 89-102 ◽  
Author(s):  
Peter Zach ◽  
Ľubomír Panigaj ◽  
Alois Honěk ◽  
Oldřich Nedvěd ◽  
Ján Kulfan ◽  
...  
Keyword(s):  
Central Europe ◽  
Harmonia Axyridis ◽  
Colour Pattern ◽  
Invasion History ◽  
Ladybird Beetle ◽  
Harlequin Ladybird

scholarly journals Transgenerational Effects of a Neonicotinoid and a Novel Sulfoximine Insecticide on the Harlequin Ladybird

Insects ◽  
2021 ◽  
Vol 12 (8) ◽  
pp. 681
Author(s):  
Changchun Dai ◽  
Michele Ricupero ◽  
Zequn Wang ◽  
Nicolas Desneux ◽  
Antonio Biondi ◽  
...  
Keyword(s):  
Nicotinic Acetylcholine Receptors ◽  
Harmonia Axyridis ◽  
Biocontrol Agent ◽  
Insect Pests ◽  
Negative Influence ◽  
Management Approach ◽  
Generalist Predator ◽  
Cotton Aphid ◽  
Transgenerational Effects ◽  
Harlequin Ladybird

The harlequin ladybird, Harmonia axyridis Pallas (Coleoptera: Coccinellidae), is a generalist predator and an effective biocontrol agent of various insect pests that has been exploited for the control of aphid pests in the greenhouse and field. However, insecticides are widely used to control aphid pests worldwide and the potential non-target effects of sulfoxaflor and imidacloprid for controlling aphid pests towards this biocontrol agent are little known. Although both sulfoxaflor and imidacloprid act on nicotinic acetylcholine receptors of insects, sulfoxaflor has a novel chemical structure compared with neonicotinoids. We assessed the lethal, sublethal and transgenerational effects of sulfoxaflor and imidacloprid on H. axyridis simultaneously exposed via ingestion of contaminated prey and via residual contact on the host plant at LC20 and LC50 doses estimated for the cotton aphid. Imidacloprid significantly reduced the survival of H. axyridis adults compared to sulfoxaflor at the same lethal concentration against cotton aphid. Both concentrations of imidacloprid and sulfoxaflor reduced the proportion of ovipositing females, and both concentrations of imidacloprid and sulfoxaflor, except LC20 dose of sulfoxaflor, reduced the fecundity and fertility of the parental generation. In the progeny of imidacloprid- and sulfoxaflor-exposed parents, both tested LC50 concentrations significantly decreased the juvenile survival rate, and both concentrations of imidacloprid and sulfoxaflor, except LC20 dose of sulfoxaflor, prolonged the development time. Our findings provide evidence of the negative influence of imidacloprid and sulfoxaflor at low lethal concentrations on the harlequin ladybird and on the progeny of exposed individuals, i.e., transgenerational effects. Hence, these findings stress the importance of optimizing the applications of imidacloprid and sulfoxaflor for the control of aphid pests, aiming at preserving the biocontrol services provided by H. axyridis throughout the integrated pest management approach.

Germ-line transformation and RNAi of the ladybird beetle, Harmonia axyridis

2006 ◽  
Vol 15 (4) ◽  
pp. 507-512 ◽  
Author(s):  
H. Kuwayama ◽  
T. Yaginuma ◽  
O. Yamashita ◽  
T. Niimi
Keyword(s):  
Harmonia Axyridis ◽  
Germ Line ◽  
Ladybird Beetle ◽  
Germ Line Transformation

scholarly journals Invasion history of Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) in Ecuador

2020 ◽  
Author(s):  
Diego F. Cisneros-Heredia ◽  
Emilia Peñaherrera-Romero
Keyword(s):  
Biological Control ◽  
Harmonia Axyridis ◽  
Economic Impacts ◽  
Invasion History ◽  
Museum Specimens ◽  
Agricultural Pest ◽  
Harlequin Ladybird ◽  
The World ◽  
History Of ◽  
Harmonia Axyridis Pallas

AbstractHarmonia axyridis is a ladybird extensively used around the world for biological control of agricultural pest. However, it has become invasive in several countries, producing negative ecological and socio-economic impacts. Herein, we review the invasion history of the Harlequin Ladybird Harmonia axyridis (Pallas, 1773) in Ecuador. Although first reported in Ecuador in 2012, museum specimens date back to 2004 and it is currently established across the country, especially along the Andean region. Due to its invasive nature, further studies are urgently needed to evaluate possible impacts of H. axyridis on the Ecuadorian biodiversity and agroindustry.

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