Results 61 to 70 of about 7,409 (237)

A preventive strategy for the control of aphids in sweet pepper using lacewings and micrococcinelid beetles

open access: yesInsect Science, EarlyView.
Aphids pose a serious risk to horticultural crops. Current biocontrol strategies often fail due to the poor establishment of natural enemies when aphids are scarce. We evaluated the potential of two aphidophagous predators, Micromus variegatus and Scymnus interruptus, to be used as preventive biocontrol agents, released before aphid infestation.
Jesica Pérez‐Rodríguez   +3 more
wiley   +1 more source

From the predator to the prey: a case study of the vulnerability of Harmonia axyridis to aggressive competitors

open access: yesInsect Science, EarlyView.
The level of aggressiveness of an individual is a factor that shapes intraguild predation (IGP) interactions. In Nabis americoferus, high aggressiveness leads to an increase in attack rate and IGP against Harmonia axyridis. Moreover, the absence of extraguild prey seems to exacerbate IGP. In docile N.
Pierre Royer   +3 more
wiley   +1 more source

Managerial delegation in a dynamic renewable resource oligopoly [PDF]

open access: yes, 2015
I propose a differential oligopoly game of resource extraction under (quasi-static) open-loop and nonlinear feedback strategies, where firms are managerial and two alternative types of delegation contract are considered.
A. Mehlmann   +44 more
core   +2 more sources

Public virtue, private ambition—Women owners of private hospitals in early twentieth‐century New Zealand

open access: yesAsia‐Pacific Economic History Review, EarlyView.
Abstract New Zealand's early‐twentieth‐century health service was a two‐tier system of state hospitals supported by an expanding network of over 300 private hospitals, almost exclusively owned by nurses and midwives. This article will show that this environment was created by a legislative framework introduced between 1901 and 1906, requiring nurses ...
Ann‐Marie Quinn
wiley   +1 more source

Spectral response of guava leaves under infestation by Costalimaita ferruginea (coleoptera: Chrysomelidae)

open access: yesAgricultural and Forest Entomology, EarlyView.
Coccinellidae (Coleoptera), Miridae (Hemiptera), Hemerobiidae (Neuroptera), Pentatomidae (Hemiptera), Anystidae (Acari), Erythraeidae (Acari) and spiders (Araneidae, Oxyopidae and Salticidae) fed on the invasive paropsine leaf beetles in Marlborough, New Zealand.
Souradji I. Bachirou   +2 more
wiley   +1 more source

Who Makes the Far Right? Exploring Membership Application Data of the National Front of Australia

open access: yesAustralian Journal of Politics &History, EarlyView.
This paper addresses a problem for scholars examining the question of who supports far right political parties or movements. Due to the semi‐clandestine or oppositional nature of far right groups, historians, as well as those in adjacent disciplines, have often been unable to gain access to sufficient records or data to conduct analysis of who supports
Evan Smith, Lauren Pikó
wiley   +1 more source

The education and the time of the Other. On conquests and (dis) appropriations.

open access: yesIXTLI, 2019
Centuries after the Conquest of our America, we continue to be questioned ethically and geopolitically by its scope and meaning; and the voracity of its logic can be extended to the most sensitive dimensions of education.
Daniel Carlos Berisso   +1 more
doaj  

Rent-seeking, Occupational Choice and Oil Boom. [PDF]

open access: yes
This paper examines choice of occupation between productive activities and rent-seeking in an oil-dominated economy where oil rent is the major source of public revenue.
Farhad Nili, Gabriel Talmain
core  

On the voracity of a species of Heterostoma

open access: yesProceedings of the Linnean Society of New South Wales., 1883
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Stimulation of Insect Herbivory by Elevated Temperature Outweighs Protection by the Jasmonate Pathway

open access: yesPlants, 2020
Rising global temperatures are associated with increases in the geographic range, population size, and feeding voracity of insect herbivores. Although it is well established that the plant hormone jasmonate (JA) promotes durable resistance to many ...
Nathan E. Havko   +3 more
doaj   +1 more source

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