Results 111 to 120 of about 2,528 (205)

Asociaciones áfido-parasitoide (Hemiptera: Aphididae; Hymenoptera: Braconidae, Aphidiinae) en cultivos hortícolas orgánicos en Los Cardales, Buenos Aires, Argentina Aphid-parasitoid associations (Hemiptera: Aphididae; Hymenoptera: Braconidae, Aphidiinae) on organic vegetable crops in Los Cardales, Buenos Aires, Argentina

open access: yesRevista de la Sociedad Entomológica Argentina, 2007
Diez especies de áfidos (Hemiptera: Aphididae) se hallaron parasitados por siete especies de parasitoides (Hymenoptera: Braconidae, Aphidiinae) en cultivos hortícolas orgánicos. Myzus persicae (Sulzer) fue el áfido más frecuentemente encontrado sobre una
Andrea V. Andorno   +2 more
doaj  

The influence of plant fertilisation regime on plant-aphid-parasitoid interactions [PDF]

open access: yes, 2003
This thesis examines effects of plant fertilisation regime on herbivore and parasitoid performance for two aphids, Macrosiphum euphorbiae and Myzus persicae, and one parasitoid wasp, Aphidius ervi. Herbivore performance was measured as adult fresh weight
Jansson, Johanna
core  

Genetic Similarities Among Geographic Isolates of Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) Differing in Cold Temperature Tolerances [PDF]

open access: yes, 2004
Lysiphlebus testaceipes (Cresson) is a solitary endoparasitoid of aphids and is the primary parasitoid attacking cereal aphids in the Great Plains, especially Schizaphis graminum (Rondani). In a previous study, it was found that a Lincoln, NE, isolate of
Elliott, N.C.   +3 more
core   +1 more source

Braconidae diversity (Hymenoptera: Ichneumonoidea) in alfalfa, Medicago sativa L., fields of some Western Desert Oases in Egypt

open access: yesJournal of Crop Protection, 2014
A total of 29 species in 16 genera and 8 subfamilies of the braconids (Hym., Braconidae) were collected from alfalfa fields in Bahariya and Farafra oases (Western Desert, Egypt) These species were identified, together with details of the sites where they
Usama Mohamed Abu El-Ghiet   +2 more
doaj  

Correlation between Aphids, Aphidiinae and Hyperparasitoids in Different Habitats [PDF]

open access: yes, 2000
Aphids are one of the major pests of economical crops in China. Field surveys showed that Macrosiphum avence, Rhopalosiphum padi, Schizaphis graminum, Myzus persicae, Aphis glycines and Lipaphis erysimi are the main aphid species found in agricultural ...
Guan, Yue, Wang, Qinghai, Zhang, Guoan
core  

Asociaciones áfido-parasitoide (Hemiptera: Aphididae; Hymenoptera: Braconidae, Aphidiinae) en cultivos hortícolas orgánicos en Los Cardales, Buenos Aires, Argentina

open access: yesRevista de la Sociedad Entomológica Argentina, 2007
Diez especies de áfidos (Hemiptera: Aphididae) se hallaron parasitados por siete especies de parasitoides (Hymenoptera: Braconidae, Aphidiinae) en cultivos hortícolas orgánicos. Myzus persicae (Sulzer) fue el áfido más frecuentemente encontrado sobre una
Andrea V. ANDORNO   +2 more
doaj  

Trophic cascades initiated by fungal plant endosymbionts impair reproductive performance of parasitoids in the second generation [PDF]

open access: yes, 2018
Variation in plant quality can transmit up the food chain and may affect herbivores and their antagonists in the same direction. Fungal endosymbionts of grasses change the resource quality by producing toxins.
Härri, Simone   +2 more
core  

A survey on hyperparasitoids of the poplar spiral gall aphid, Pemphigus spyrothecae Passerini (Hemiptera: Aphididae) in Northwest Iran

open access: yesJournal of Crop Protection, 2014
A survey was carried out on the hyperparasitoids of the poplar spiral gall aphid, Pemphigus spyrothecae Passerini, 1860 in Ardabil province from 2012 to 2013.
Mostafa Ghafouri-Moghaddam   +2 more
doaj  

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