Results 41 to 50 of about 5,875 (196)

A transgenerational endocrine signaling pathway in Crustacea. [PDF]

open access: yesPLoS ONE, 2013
Environmental signals to maternal organisms can result in developmental alterations in progeny. One such example is environmental sex determination in Branchiopod crustaceans.
Gerald A LeBlanc   +4 more
doaj   +1 more source

Larval Exposure to the Juvenile Hormone Analog Pyriproxyfen Disrupts Acceptance of and Social Behavior Performance in Adult Honeybees. [PDF]

open access: yesPLoS ONE, 2015
Juvenile hormone (JH) plays an important role in honeybee development and the regulation of age-related division of labor. However, honeybees can be exposed to insect growth regulators (IGRs), such as JH analogs developed for insect pest and vector ...
Julie Fourrier   +9 more
doaj   +1 more source

Modification of the existing maximum residue level for pyriproxyfen in bananas

open access: yesEFSA Journal, 2016
In accordance with Article 6 of Regulation (EC) No 396/2005, the evaluating Member State (EMS), Spain, received an application from Cheminova Agro S.A.
European Food Safety Authority (EFSA)
doaj   +1 more source

Evaluation of pyriproxyfen, a juvenile hormone analog, on Drosophila melanogaster (Diptera: Drosophilidae): Insecticidal activity, ecdysteroid contents and cuticle formation

open access: yesEuropean Journal of Entomology, 2015
The efficacy of pyriproxyfen, a juvenile hormone analog (JHA), was evaluated using third instar larvae of Drosophila melanogaster Meigen, 1830 (Diptera: Drosophilidae).
Fethi BENSEBAA   +3 more
doaj   +1 more source

Dissipation study of ten insecticides in apples under field conditions. [PDF]

open access: yesJ Sci Food Agric
Abstract BACKGROUND Apples are among the most widely cultivated fruits in temperate climate zone. Given the potential of pests and diseases to cause significant damage to fruit production, orchardists rely on using insecticides and fungicides in infested orchards to protect apple yields.
Schusterova D   +9 more
europepmc   +2 more sources

Effective autodissemination of pyriproxyfen to breeding sites by the exophilic malaria vector Anopheles arabiensis in semi-field settings in Tanzania [PDF]

open access: yes, 2014
BACKGROUND Malaria vector control strategies that target adult female mosquitoes are challenged by the emergence of insecticide resistance and behavioural resilience.
Devine, Gregor J   +6 more
core   +5 more sources

Effects of Pyriproxyfen Exposure on Reproduction and Gene Expressions in Silkworm, Bombyx mori

open access: yesInsects, 2020
The silkworm, Bombyx mori Linnaeus, is an important economic insect and a representative model organism of Lepidoptera, which has been widely used in the study of reproduction and development.
He-Ying Qian   +5 more
doaj   +1 more source

Efeitos não-alvo de inseticidas utilizados para controle de Bemisia tabaci (Gennadius, 1889) biótipo B (Hemiptera: Aleyrodidae) sobre a mortalidade e biologia de Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae) em soja [Glycine max (l.) Merrill]

open access: yesEntomological Communications, 2023
Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) is a polyphagous pest that has gained importance in soybean cultivation in recent years, due to the damage it causes to leaves and pods.
Lucas S. Santana   +5 more
doaj   +1 more source

Indirect transfer of pyriproxyfen to European honeybees via an autodissemination approach

open access: yesPLOS Neglected Tropical Diseases, 2021
The frequency of arboviral disease epidemics is increasing and vector control remains the primary mechanism to limit arboviral transmission. Container inhabiting mosquitoes such as Aedes albopictus and Aedes aegypti are the primary vectors of dengue, chikungunya, and Zika viruses.
Sri Jyosthsna Kancharlapalli   +4 more
openaire   +4 more sources

Unveiling an Alternative Mechanism for Lewis Basic Selenium as a C─H Hydrogen Bond Catalyst and Its Application in the Halogenation of Arenes

open access: yesAngewandte Chemie, Volume 137, Issue 39, September 22, 2025.
This work demonstrates an unconventional mechanism in Lewis basic selenium‐catalyzed electrophilic halogenation, where in situ oxidation of selenourea by the halogen source generates hypervalent Se‐imidazolium species. These intermediates function as hydrogen‐bond catalysts to activate N‐haloamide reagents, enabling efficient and mild halogenation of ...
Jingxian Huang   +6 more
wiley   +2 more sources

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