Results 51 to 60 of about 3,154 (217)

Plant chemistry and aphid parasitoids (Hymenoptera: Braconidae): Imprinting and memory

open access: yesEuropean Journal of Entomology, 2008
Emerging parasitoids of aphids encounter secondary plant chemistry from cues left by the mother parasitoid at oviposition and from the plant-feeding of the host aphid.
Helmut F. van EMDEN   +5 more
doaj   +1 more source

Aphids of ornamental plants and winter vegetables and their aphidiine parasitoids (Hymenoptera: Braconidae) in Aligarh region, Uttar Pradesh

open access: yesJournal of Threatened Taxa, 2010
A survey was conducted in Aligarh District of Uttar Pradesh, India. A total of 14 pest aphid were found infesting 13 ornamental plants and 14 winter vegetables of the area. They were categorized based on injury status.
U. Rafi, M.K. Usmani, M.S. Akhtar
doaj   +1 more source

Elevated carbon dioxide reduces Aphis gossypii intrinsic increase rates without affecting Aphidius colemani parasitism rate

open access: yes, 2021
Climate change could increase pest pressure, due to changes in insect distribution and phenology, affecting herbivore-parasitoids interactions and consequently, the efficacy of biological control of crop pests.
Ana Moreno-Delafuente   +3 more
semanticscholar   +1 more source

Evaluation of Volatile Organic Compounds from Broccoli Plants Infested with Myzus persicae and Parasitoids Aphidius colemani Attraction

open access: yesIOP Conference Series: Earth and Environment, 2021
Volatile organic compounds (VOCs) from uninfested and infested broccoli plant samples with green peach aphid Myzus persicae were investigated by headspace solid microextraction (HS-SPME) combined with gas chromatography mass spectrometry (GC-MS). Overall,
Q. Ahmed   +4 more
semanticscholar   +1 more source

Foraging behavior of Aphidius colemani (Hymenoptera: Aphidiidae) on three aphid species [Aphis gossypii, Aphis craccivora and Rhopalosiphum maidis] (Homoptera: Aphididae)

open access: yesAl-Azhar Journal of Agricultural Research, 2021
The acceptance and suitability of three aphid species [ Aphis gossypii Glover, Aphis craccivora and Rhopalosiphum maidis (Fitch)] (Homoptera: Aphididae) for the parasitoid Aphidius colemani Viereck (Hymenoptera: Aphidiidae) were studied and evaluated ...
S. S. El-Mezain   +2 more
semanticscholar   +1 more source

Thiacloprid + deltamethrin against the cotton aphid and the parasitoid wasp Aphidius colemani: From lethal to sublethal population effects

open access: yesPhysiological entomology (Print), 2021
The side effects of insecticides on non‐target species are important to secure the intended effectiveness of pest management programmes. The cotton aphid Aphis gossypii is a frequent problem in industrial greenhouse cultivation, and insecticide and ...
Marzieh Majidpour   +2 more
semanticscholar   +1 more source

Association of MACE-based insecticide resistance in Myzus persicae with reproductive rate, response to alarm pheromone and vulnerability to attack by Aphidius colemani [PDF]

open access: yes, 2003
Reproductive success and response to alarm pheromone, both potentially important components of fitness, were assessed using clones of Myzus persicae (Sulzer) to establish associations with insecticide resistance conferred by insensitive modified ...
Foster, S. P.   +15 more
core   +1 more source

Insectos fitófagos asociados al cultivo de quinua (Chenopodium quinoa Willd) en invierno y sus controladores biológicos

open access: yesManglar, 2022
Se determinó la presencia de los principales insectos fitófagos y sus enemigos naturales en el cultivo de quinua (Chenopodium quinoa), así como el porcentaje de infestación y de parasitoidismo en insectos fitófagos en La Molina, Lima, del 21 de junio al ...
Melva Nelly Soca Flores   +3 more
doaj   +1 more source

Enemigos naturales de áfidos (Hemíptera: Aphididae) presentes en zonas productoras de trigo en Paraguay

open access: yesInvestigación Agraria, 2018
En los agroecosistemas, existen enemigos naturales controladores de áfidos de cereales, regulando la población de los mismos. El estudio de la identificación y cuantificación es importante para el manejo integrado de plagas del trigo.
Rebeca González Torres   +3 more
doaj   +1 more source

Cereal Aphid Species (Homoptera : Aphididae) Infesting Wheat Plants and their Aphidophagous Insects at El-Khattara District, Sharkia Governorate, Egypt [PDF]

open access: yesJournal of Plant Protection and Pathology, 2017
Studies on cereal aphids infesting wheat plants and their aphidophagous insects were carried out in newly reclaimed sandy area at El-Khattara district, Sharkia Governorate, Egypt during 2015-2016 and 2016-2017 growing seasons.The obtained results are ...
Walaa Helaly, SH. Ali, M. Youssif
doaj   +1 more source

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