Results 61 to 70 of about 4,521,295 (246)

Take flight: predation risk induces wing polyphenism and dispersal in the aphid Myzus persicae

Pest Management Science, EarlyView.
Predator risk above a critical density induces winged morphs in Myzus persicae, promoting dispersal and reducing predation compared with wingless aphids. This density‐dependent phenotypic plasticity enhances survival but may compromise biological control by facilitating aphid dispersal.
Jamin Ali, Adil Tonğa, Bashiru Adams, Geoff M Gurr, Rizhao Chen, Qiyun Li   +5 more
wiley   +1 more source

Diversity of Species and Behavior of Hymenopteran Parasitoids of Ants: A Review

Psyche: A Journal of Entomology, 2012
Reports of hymenopterans associated with ants involve more than 500 species, but only a fraction unambiguously pertain to actual parasitoids. In this paper, we attempt to provide an overview of both the diversity of these parasitoid wasps and the ...
Jean-Paul Lachaud, Gabriela Pérez-Lachaud   +1 more
doaj   +1 more source

Additions to the fauna of parasitic wasps (Hymenoptera: Chalcidoidea) and coccoids (Hemiptera: Coccoidea) from the Andaman and Nicobar Islands, India, with illustrations and diagnosis

Journal of Threatened Taxa, 2013
An illustrated account with diagnostic details of the reared and collected species of insect parasitoids along with scale insects and mealybugs from the Andaman and Nicobar Islands is presented. Twenty eight species of insect pests and parasitoids under
A. Gupta, S. Joshi
doaj   +1 more source

STUDIES ON SOME INSECT NATURAL ENEMIES ASSOCIATED WITH THE CITRUS LEAFMINER, Phyllocnistis citrella Stainton (LEPIDOPTERA : GRACILLARIIDAE) [PDF]

Journal of Plant Protection and Pathology, 2000
Studies on the natural enemies attacking the citrus leafminer (CLM), Phyllocnistis citrella, Staintonwere carried out in a neglected citrus orchard during two successive seasons 1996/97 and 1997/98 in Dakahlia Governorate. During the course of the study,
S. Moustafa, L. Abd-Allah, A. Abd El-Kareim, H. Fathy,   +3 more
doaj   +1 more source

Further contributions to the tritrophic plant-aphid-parasitoid associations in Malta with special reference to Aphis nerii (Hemiptera, Aphidoidea) as a prevalent refugium of Aphidiinae (Hymenoptera, Braconidae) [PDF]

, 2013
Four species of aphid parasitoids, namely Aphidius colemani, Binodoxys angelicae, Lysiphlebus fabarum and Lysiphlebus testaceipes were reared from Aphis nerii on Nerium oleander and/or Stephanotis floribunda in Malta.
Mifsud, David, Zammit, Mark, Stary, Petr
core  

Large-scale migration synchrony between parasitoids and their host [PDF]

, 2015
1. Parasitoids are a valuable group for conservation biological control. In their role as regulators of aphid pests, it is critical that their lifecycle is synchronised with their hosts in both space and time.
Perez-Rodriguez, J., Bell, J. R., Shortall, C. R., JESICA PÉREZ‐RODRÍGUEZ, Bell, James, Shortall, Chris, JAMES R. BELL, PÉREZ-RODRÍGUEZ, JESICA, SHORTALL, CHRIS R., BELL, JAMES R., CHRIS R. SHORTALL   +10 more
core   +1 more source

Sublethal herbicide exposure alters cotton susceptibility to aphid infestation

Pest Management Science, EarlyView.
Sublethal herbicide exposure altered cotton susceptibility to aphids. Aphid severity was highest when applications occurred at early vegetative stages and declined as the crop matured. In glasshouse, herbicide effects were dose‐dependent. Abstract BACKGROUND Herbicides remain vital tools for weed control, yet their effects can extend beyond weeds to ...
Purushottam Gyawali, Ubaldo Torres, David L Kerns, Gregory A Sword, Muthukumar V Bagavathiannan   +4 more
wiley   +1 more source

Soybean plant architecture influences the capacity of Telenomus podisi to parasitize Euschistus heros eggs: implications for field releases

Pest Management Science, EarlyView.
Increasing soybean plant architectural complexity reduces the ability of Telenomus podisi to parasitize Euschistus heros eggs, highlighting the need to adjust parasitoid release rates in the field according to plant complexity (arrow direction and thickness correspond to the increasing strength of the variable) . Abstract BACKGROUND Plant architectural
Nathália Graziele Falcão Fernandes, Elianara Carvalho Cardoso, João Pedro Benaci Ayusso, Lessando Moreira Gontijo   +3 more
wiley   +1 more source

The first record of Aphidius ervi Haliday in Slovenia

Acta Agriculturae Slovenica, 2009
In 2008, a lucerne aphid parasitoid Aphidius ervi Haliday was first recorded in Slovenia. This oligophagous parasitoid is used as biological control agent against bigger aphid species. By sampling aphid mummies on different locations in Slovenia in 2008,
Katarina KOS, Željko TOMANOVIĆ, Helena ROJHT, Stanislav TRDAN   +3 more
doaj   +1 more source

First Report of Native Parasitoids of Fall Armyworm Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) in Mozambique

Insects, 2020
The alien invasive insect pest Spodoptera frugiperda Smith (Lepidoptera: Noctuidae), commonly referred to as fall armyworm (FAW), is causing significant losses to maize production in Africa since its detection in 2016.
Albasini Caniço, António Mexia, Luisa Santos   +2 more
doaj   +1 more source