Results 91 to 100 of about 12,174 (228)

Bedbugs (Cimicidae infestation): the worldwide renaissance of an old partner of human kind

open access: yesBrazilian Journal of Infectious Diseases
Bedbugs have been known as a human parasite for thousands of years, but scientific studies about this insect are recent and limited. Cimex lectularius, the common bedbug, was a well-known parasite in human dwellings until the end of the Second World War.
Paulo Ricardo Criado   +4 more
doaj   +1 more source

Pyrethrins – secondary metabolites with insecticidal activity

open access: yesGlasnik Zaštite Bilja, 2023
Plants’ secondary metabolites have an important role in the plant’s response to abiotic and biotic stress. Some of the bioactive components have pronounced insecticidal properties, so they are called insecticidal plants such as Dalmatian (Tanacetum ...
Aleksandar Mešić   +1 more
doaj  

Prevention of infestation by Dermestes maculatus Degeer in east African dried fish using pyrethrum and piperonyl butoxide [PDF]

open access: yes, 1989
East African sun-dried fish dipped for 4 seconds in different solutions of pyrethrum and piperonyl butoxide were analysed for insecticide residue limits.
Gjerstad, D.
core  

Protecting cattle from horse flies (1996) [PDF]

open access: yes, 1996
Horse flies (insect family Tabanidae) are probably the most severe fly pests of cattle on Missouri pasture and range. Only the females 'bite,' but the blood-feeding activities of these large, agile insects can constitute a serious threat to economical ...
Hall, Robert D., Sanders, Darryl P.
core  

Control of pear psylla: With oils and oil-pyrethrins

open access: yesCalifornia Agriculture, 1963
Oil sprays show promise for pear psylla control, but the addition of pyrethrins offers little advantage.
H Madsen, P Westigard
doaj  

Avaliação clínica do uso da decametrina no tratamento da pediculose do couro cabeludo A clinical evaluation of the use of decamethrin in the treatment of pediculus of the scalp

open access: yesRevista de Saúde Pública, 1985
A decametrina, um inseticida piretróide sintético, foi avaliada no tratamento da infestação por Pediculus humanus capitis em 54 crianças. Foi empregada emulsão a 0,0025 mg/ml da decametrina em tratamento tópico único ou repetido após 8 dias, se ainda ...
Newton Mamoru Sasaki   +1 more
doaj   +1 more source

Photostability assessment of natural pyrethrins using halloysite nanotube carrier system

open access: yesApplied Clay Science, 2022
M. Massaro   +8 more
semanticscholar   +1 more source

Efficient, Baseline Separation of Pyrethrins by Centrifugal PartitionChromatography

open access: yes, 2017
Pyrethrins are natural pesticides present in the oil extracted from the flowers of Chrysanthemum cinerariaefolium. They are potent ion-channel neurotoxins which have higher selective toxicity for insects compared to mammals.
A. Wong, J. Gliński
semanticscholar   +1 more source

Reduced bio-efficacy of permethrin EC impregnated bednets against an Anopheles gambiae strain with oxidase-based pyrethroid tolerance [PDF]

open access: yes, 2004
BACKGROUND: Insecticide-treated nets (ITNs) are an integral component of malaria control programmes in Africa. How much pyrethroid resistance in malaria vectors will impact on the efficacy of ITNs is controversial.
Chandre, Fabrice   +3 more
core   +3 more sources

Bedbugs (Cimicidae infestation): the worldwide renaissance of an old partner of human kind

open access: yesBrazilian Journal of Infectious Diseases, 2011
Bedbugs have been known as a human parasite for thousands of years, but scientific studies about this insect are recent and limited. Cimex lectularius, the common bedbug, was a well-known parasite in human dwellings until the end of the Second World War.
Paulo Ricardo Criado, PhD   +4 more
doaj   +1 more source

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