Results 11 to 20 of about 590 (97)

Estimating the efficacy and plume reach of semiochemical-baited traps on the capture of Trogoderma granarium everts. [PDF]

open access: yesPest Manag Sci
"Simulated warehouse": In this study, we take the step of testing existing and modified trap designs for Trogoderma after the release of T. granarium exclusively. This work will serve to evaluate trap efficacy, while providing a template for further attractant–kill research. The most effective trap was dome trap.
Agrafioti P   +5 more
europepmc   +2 more sources

Sublethal Effects of Four Insecticides Targeting Cholinergic Neurons on Partner and Host Finding in the Parasitic Wasp Nasonia vitripennis

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 11, Page 2400-2411, November 2023., 2023
Abstract Lethal and sublethal effects of pesticides on nontarget organisms are one of the causes of the current decline of many insect species. However, research in the past decades has focused primarily on pollinators, although other beneficial nontarget organisms such as parasitic wasps may also be affected.
Nils Schöfer   +4 more
wiley   +1 more source

Effects of radiation on the fitness, sterility and arbovirus susceptibility of a Wolbachia‐free Aedes albopictus strain for use in the sterile insect technique

open access: yesPest Management Science, Volume 79, Issue 11, Page 4186-4196, November 2023., 2023
A Wolbachia‐free Aedes albopictus strain was developed and considered to be used for SIT programmes based on the comparable fitness cost, radiosensitivity and arbovirus susceptibility to its conspecifics. Abstract BACKGROUND The sterile insect technique (SIT) is a green and species‐specific insect pest control technique that suppresses target ...
Dong‐jing Zhang   +11 more
wiley   +1 more source

Understanding Ecological Complexity in a Chemical Stress Context: A Reflection on Recolonization, Recovery, and Adaptation of Aquatic Populations and Communities

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 9, Page 1857-1866, September 2023., 2023
Abstract Recovery, recolonization, and adaptation in a chemical stress context are processes that regenerate local populations and communities as well as the functions these communities perform. Recolonization, either by species previously present or by new species able to occupy the niches left empty, refers to a metacommunity process with stressed ...
Mirco Bundschuh   +3 more
wiley   +1 more source

Cryptic Species in Ecotoxicology

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 9, Page 1889-1914, September 2023., 2023
Abstract The advent of genetic methods has led to the discovery of an increasing number of species that previously could not be distinguished from each other on the basis of morphological characteristics. Even though there has been an exponential growth of publications on cryptic species, such species are rarely considered in ecotoxicology.
Jonas Jourdan   +10 more
wiley   +1 more source

Evaluating and Explaining the Variability of Honey Bee Field Studies across Europe Using BEEHAVE

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 8, Page 1839-1850, August 2023., 2023
BEEHAVE evaluation on honey bee field studies conducted in Germany, Hungary, and the United Kingdom. OSR = oil seed rape. Abstract To assess the effect of plant protection products on pollinator colonies, the higher tier of environmental risk assessment (ERA), for managed honey bee colonies and other pollinators, is in need of a mechanistic effect ...
Annika Agatz   +6 more
wiley   +1 more source

The Neonicotinoid Imidacloprid Impairs Learning, Locomotor Activity Levels, and Sucrose Solution Consumption in Bumblebees (Bombus terrestris)

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 6, Page 1337-1345, June 2023., 2023
Abstract Bumblebees carry out the complex task of foraging to provide for their colonies. They also conduct pollination, an ecosystem service of high importance to both wild plants and entomophilous crops. Insecticides can alter different aspects of bumblebee foraging behavior, including the motivation to leave the hive, finding the right flowers ...
Julie Sørlie Paus‐Knudsen   +4 more
wiley   +1 more source

Subsidy Quality Affects Common Riparian Web‐Building Spiders: Consequences of Aquatic Contamination and Food Resource

open access: yesEnvironmental Toxicology and Chemistry, Volume 42, Issue 6, Page 1346-1358, June 2023., 2023
Abstract Anthropogenic stressors can affect the emergence of aquatic insects. These insects link aquatic and adjacent terrestrial food webs, serving as high‐quality subsidy to terrestrial consumers, such as spiders. While previous studies have demonstrated that changes in the emergence biomass and timing may propagate across ecosystem boundaries, the ...
Sebastian Pietz   +10 more
wiley   +1 more source

Some geometric aspects of finite abelian groups [PDF]

open access: yesRendiconti di Matematica e delle Sue Applicazioni, 2006
Let Π be a finite projective plane admitting a large abelian collineation group. It is well known that this situation may be studied by algebraic means (via a representation by suitable types of difference sets), namely using group rings and algebraic ...
Dina Ghinelli, Dieter Jungnickel
doaj  

The use of blocking sets in Galois geometries and in related research areas [PDF]

open access: yes, 2012
Blocking sets play a central role in Galois geometries. Besides their intrinsic geometrical importance, the importance of blocking sets also arises from the use of blocking sets for the solution of many other geometrical problems, and problems in related
Pepe, Valentina, Storme, Leo
core   +1 more source

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