Results 81 to 90 of about 18,344 (257)

Oviposition inhibitory activity of the Mexican sunflower Tithonia diversifolia (Asteraceae) polar extracts against the two-spotted spider mite Tetranychus urticae (Tetranychidae) [PDF]

open access: yes, 2018
The Mexican sunflower (Tithonia diversifolia, Asteraceae) is an invasive shrub of agricultural and non-agricultural lands in tropical countries. Besides extensive utilizations in the traditional medicine, mainly to treat malaria, the plant is believed to
Baldan, Valeria   +11 more
core   +1 more source

Peer review of the pesticide risk assessment of the active substance paraffin oil (CAS 72623‐86‐0, chain lengths C19–C28)

open access: yesEFSA Journal, Volume 24, Issue 2, February 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authorities of the rapporteur Member State, Greece, and co‐rapporteur Member State, France, for the pesticide active substance paraffin oil (CAS 72623‐86‐0) are reported.
European Food Safety Authority (EFSA)   +48 more
wiley   +1 more source

SUSCEPTIBILITY OF RHIPICEPHALUS SANGUINEUS SENSULATO (S.L.) LATREILLE (ACARI: IXODIDAE) TO CYPERMETHRIN, IVERMECTIN, AND AMITRAZ [PDF]

open access: yesExploratory Animal and Medical Research
Chemical acaricides, viz. amitraz, cypermethrin, and ivermectin have been in use for control of ectoparasites (particularly ticks) in domestic animals over the past two decades.
Devina Sharma   +5 more
doaj   +1 more source

Effects of Synthetic Acaricides and Nosema ceranae (Microsporidia: Nosematidae) on Molecules Associated with Chemical Communication and Recognition in Honey Bees

open access: yesVeterinary Sciences, 2020
Acaricides and the gut parasite Nosema ceranae are commonly present in most productive hives. Those stressors could be affecting key semiochemicals, which act as homeostasis regulators in Apis mellifera colonies, such as cuticular hydrocarbons (CHC ...
Martín Pablo Porrini   +8 more
doaj   +1 more source

Could the Biological Potency of Porcelia macrocarpa R.E. Fries (Annonaceae) be Linked to Its Diverse Metabolite Profile?

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
ABSTRACT Porcelia macrocarpa is a Brazilian plant species belonging to the Annonaceae family. To date, more than 190 compounds have been identified and/or isolated from this species, with terpenoids comprising the majority (62%). Alkaloids represent the second most abundant class (11%), followed by steroids (4%), acetogenins (4%), fatty acids (4 ...
Fernanda Thevenard   +4 more
wiley   +1 more source

The Mayflies, or Ephemeroptera, of Illinois. B. D. Burks, 1975 reprint of Bulletin of the Illinois Natural History Survey, Vol. 26, 1953. Entomological Reprint Specialists, Los Angeles, California, viii + 216 p., 395 figs. $15.00. [PDF]

open access: yes, 2017
(excerpt) The continuing demand for general references and aids to identification of Ephemeroptera has undoubtedly prompted the recent reprinting of The Mayflies. . . of Illinois. A two-page preface by George F. Edmunds, Jr.
McCafferty, W. P
core   +2 more sources

Challenges and opportunities in mitigating sarcoptic mange in wild South American camelids

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 1, January 2026.
Wild South American camelids—vicuña and guanaco—face threats from sarcoptic mange, a contagious skin disease linked to severe population declines. Despite its impact, major gaps remain in understanding disease dynamics. This review summarizes current knowledge, identifies key data and management gaps, and outlines urgent actions for effective ...
Alynn M. Martin   +13 more
wiley   +1 more source

A comparative laboratory trial evaluating the immediate efficacy of fluralaner, afoxolaner, sarolaner and imidacloprid + permethrin against adult Rhipicephalus sanguineus (sensu lato) ticks attached to dogs [PDF]

open access: yes, 2012
Variational methods are used for targeting specific correlation effects by tailoring the configuration space. Independent sets of correlation orbitals, embedded in partitioned correlation functions (PCFs), are produced from multiconfiguration Hartree-
Froese Fischer, Charlotte   +5 more
core   +1 more source

Sublethal effects of acaricides and Nosema ceranae infection on immune related gene expression in honeybees [PDF]

open access: yes, 2016
Nosema ceranae is an obligate intracellular parasite and the etiologic agent of Nosemosis that affects honeybees. Beside the stress caused by this pathogen, honeybee colonies are exposed to pesticides under beekeeper intervention, such as acaricides to ...
Antúnez, karina   +8 more
core   +4 more sources

Infestation levels of Varroa destructor in local honey bees of Jordan [PDF]

open access: yes, 2008
To determine Varroa mite infestation levels in Jordan, a survey covering 180 colonies of two bee types (Apis m. syriaca and Apis m. syriaca hybrids) from six locations of 4 climatic zones was conducted during August, 8 month after the last treatment ...
Alattal, Yehya   +2 more
core  

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