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225 (0,063s)

Výsledek výzkumu

Harlequin ladybird : Schematic calendar of overwintering

The schematic calendar describes important information for monitoring overwintering sites of Harlequin ladybird.

Ecology

  • 2020
  • O
Výsledek výzkumu

Harlequin ladybird - a "useful" invasion?

The harlequin ladybird (Harmonia axyridis (Pallas)) is an invasive alien species from the family Coccinellidae (Coleoptera), which was firstly recorded in the Czech Republic in 2006. During less than three years, this ladybird

Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

  • 2018
  • O
Výsledek výzkumu

Ontogeny of the immune system in harlequin ladybird, Harmonia axyridis

The harlequin ladybird, Harmonia axyridis, is considered to be one of the world’s most important invasive insects. It has been spread over substantial part for native ladybird species. The powerful immune system makes h...

EC - Imunologie

  • 2016
  • O
Výsledek výzkumu

Changes in the Population Density of Aphidophagous Coccinellids in Bohemian Hop Gardens before and after Invasion of Asian Harlequin Ladybird Harmonia axyridis (Pallas).

Vostřel, J. Changes in the Population Density of Aphidophagous Coccinellids in Bohemian Hop Gardens before and after Invasion of Asian Harlequin Ladybird Harmonia axyridis (Pallas). Book of Abstracts, IV. International Humulus Sympo...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2015
  • O
  • Odkaz
Výsledek výzkumu

Harlequin ladybird in wine

Many ladybird species feed on sweet fruits including wine grapes in autumn. Then they can be processed in juice and their defensive chemicals can appear in the resulting wine. Combination of repellents and attractants can minimize the la...

EH - Ekologie – společenstva

  • 2014
  • Jx
Výsledek výzkumu

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

The harlequin ladybird beetle Harmonia axyridis (Coleoptera, Coccinellidae) has invaded and established in Slovakia. Following unintentional introduction in 2008, by the end of 2012 it was widely distributed and common in various ha...

EH - Ekologie – společenstva

  • 2014
  • Jx
  • Odkaz
Výsledek výzkumu

Harlequin ladybird (Harmonia axyridis) ? biocontrol agent or biodiversity threat?

agroecosystems by the ladybird and reduction methods of the ladybird in plant cultures and houses. Decrease of biodiversity of insect predators by the aggresive ladybird......

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2014
  • NmetC
Výsledek výzkumu

Assessment of the Harlequin Ladybird's (Harmonia Axyridis) Resistance to the Most Commonly Used Active Substances in Insecticides

The objective of this study was to find out if useful insects - in this case, harlequin ladybirds (Harmonia axyridis) - are affected by plant protection products (PPP active substances in insecticides. Harlequin ladybir...

Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

  • 2021
  • JSC
  • Odkaz
Výsledek výzkumu

The influence of pyrethroid cypermethrin on non-target species Harmonia axyridis ladybird

This study deals with the influence of insecticide active ingredients on selected non-target organisms. Aphidophagous harlequin ladybird (Harmonia axyridis, individual harlequin ladybirds were collected at selected...

Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

  • 2020
  • D
  • Odkaz
Výsledek výzkumu

Do predator energy demands or previous exposure influence protection by aposematic coloration of prey?

ladybirds in its natural diet. Here, we present experiments testing the attack and eating rate of the tree sparrow toward the invasive aposematic harlequin ladybird ladybirds predisposes them to also prey on h...

Behavioral sciences biology

  • 2017
  • Jimp
  • Odkaz
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