Results 91 to 100 of about 78,753 (268)

Simultaneous Parasitism of Field-Collected Green Cloverworm, \u3ci\u3eHypena Scabra\u3c/i\u3e (Lepidoptera: Noctuidae) Larvae by Endoparasitioids and an Entomopathogenic Fungus [PDF]

open access: yes, 2018
The impacts of entomopathogens (e.g., fungi, bacteria, protists and viruses) on larval Lepidoptera and their associated insect parasitoids have been examined in laboratory studies but field studies of interaction between these two mortality factors are ...
Pavuk, Daniel M, Williams, Charles E
core   +2 more sources

Does a shift to a novel host plant create a defence‐free space for a specialist herbivore species?

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract While host switches can promote speciation in herbivorous insects, the benefits of switching hosts have only been ascribed to escaping competition and natural enemies. Herbivores might also escape from the defences of their ancestral host if their new host species lacks
Eric C. Yip   +5 more
wiley   +1 more source

Parasitoid Diversity of Whitefly and Aphid of Soybean

open access: yesJurnal Ilmu Dasar, 2015
The research of parasitoid diversity of whitefly and Aphid on soybean were conducted at District of  Lumajang  from Juni to Agustus 2013. The objectives of this research were to study  the biodiversity, abundance and parasitism of whitefly and Aphid ...
Rini Utami   +2 more
doaj   +1 more source

Geographical Range and Laboratory Studies on Apanteles opuntiarum (Hymenoptera: Braconidae) in Argentina, a Candidate for Biological Control of Cactoblastis cactorum (Lepidoptera: Pyralidae) in North America [PDF]

open access: yes, 2014
La polilla de la tuna, Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae), es una plaga que amenaza las Opuntia spp. nativas de América del Norte. Se han implementado varias estrategias para su control, erradicándola de México pero no de los Estados ...
Carpenter, James E.   +6 more
core   +2 more sources

Long‐term population dynamics of western tent caterpillars: History, trends and causes of cycles

open access: yesJournal of Animal Ecology, EarlyView.
The length and in‐depth nature of this population study make it unique. It represents perhaps the most extensive monitoring of viral infection in a wild insect population. We have used laboratory and field experiments to test many hypotheses about mechanisms that potentially impact the dynamics of this cyclic species.
Judith H. Myers, Jenny S. Cory
wiley   +1 more source

PLUTELLA XYLOSTELLA PARASITOID PARASITATION TYPE AND PERCENTAGE ON CABBAGE VEGETABLE FARM, IN RURUKAN AREA, TOMOHON, INDONESIA [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2017
Parasitoid organism was act as biological pest control, in pest attacked on a farm, and Plutella xylostella is one of the pest in cabbage at Rurukan vegetable farm, Tomohon, Indonesia.
Eva Lienneke BAIDENG
doaj  

Field host range of Apanteles opuntiarum (Hymenoptera: Braconidae) in Argentina, a potential biocontrol agent of Cactoblastis cactorum (Lepidoptera: Pyralidae) in North America [PDF]

open access: yes, 2015
Field exploration in Argentina for cactophagous lepidopteran hosts parasitized by the recently described braconid parasitoid Apanteles opuntiarum Martínez & Berta (Hymenoptera: Braconidae) revealed a host range restricted to Cactoblastis cactorum (Berg) (
Carpenter, James E.   +5 more
core  

Apparent competition drives community-wide parasitism rates and changes in host abundance across ecosystem boundaries [PDF]

open access: yes, 2016
Species have strong indirect effects on others, and predicting these effects is a central challenge in ecology. Prey species sharing an enemy (predator or parasitoid) can be linked by apparent competition, but it is unknown whether this process is strong
Didham, RK   +5 more
core   +3 more sources

Generalist predators function as pest specialists: Examining diet composition of spiders and ladybeetles across rice crop stages

open access: yesJournal of Applied Ecology, EarlyView.
By quantifying the diet composition of GAPs over crop stages, farm types and years, this study reveals that generalist predators have potential to produce a stable, predictable top‐down effect on pests in rice agro‐ecosystems. Therefore, promoting the field densities of ubiquitous generalist predators will likely enhance pest management and support ...
Gen‐Chang Hsu   +4 more
wiley   +1 more source

Parasitoid wasps from three Jamaican localities: A pilot study

open access: yesJournal of Hymenoptera Research, 2014
Parasitoid wasps are an extremely speciose, ecologically and economically crucial group of insects. Despite this, they have received disproportionally little attention from scientists, in particular in certain areas of the world.
Fadia Ceccarelli   +3 more
doaj   +1 more source

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