Results 21 to 30 of about 36,986 (299)

Preliminary assays indicate that Antonia ovata (Loganiaceae) and Derris amazonica (Papilionaceae), ichthyotoxic plants used for fishing in Roraima, Brazil, have an insecticide effect on Lutzomyia longipalpis (Diptera: Psychodidae: Phlebotominae)

open access: yesMemorias do Instituto Oswaldo Cruz, 2002
Laboratory-reared Lutzomyia longipalpis (Lutz and Neiva 1912) was tested with extracts of two ichthyotoxic plants, known as timbós, used as fishing poison in the Amazon. Phlebotomines, L.
José Francisco Luitgards-Moura   +4 more
doaj   +1 more source

Cocaine as a naturally occurring insecticide. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1993
Although cocaine has a fascinating and complex medicinal history in man, its natural function in plants is unknown. The present studies demonstrate that cocaine exerts insecticidal effects at concentrations which occur naturally in coca leaves. Unlike its known action on dopamine reuptake in mammals, cocaine's pesticidal effects are shown to result ...
J A, Nathanson   +3 more
openaire   +2 more sources

Perbedaan respon Aedes aegypti (Linnaeus) (Diptera: Culicidae), terhadap paparan anti nyamuk bakar dan bunga keluwih (Artocarpus camansi, Blanco)

open access: yesJurnal Entomologi Indonesia, 2015
The control of dengue hemorrhagic fever (DHF) it is important to control the vector, i.e. Aedes aegypti (Linnaeus) and Ae. albopictus (Skuse). Usually, controls of these vectors are done using chemical insecticides.
Nur Endah Wahyuningsih   +1 more
doaj   +1 more source

Toxicidade de óleos essenciais de Piper aduncum e Piper hispidinervum em Sitophilus zeamais Toxicity of essential oils of Piper aduncum and Piper hispidinervum against Sitophilus zeamais

open access: yesPesquisa Agropecuária Brasileira, 2006
Óleos essenciais de Piper aduncum L. e Piper hispidinervum C.DC. (Piperaceae) foram avaliados quanto ao efeito inseticida em Sitophilus zeamais Motsch. por ação de contato, fumigação e tópica.
Joelma Lima Vidal Estrela   +4 more
doaj   +1 more source

Multiple acetylcholinesterases in Pardosa pseudoannulata brain worked collaboratively to provide protection from organophosphorus insecticides

open access: yesEcotoxicology and Environmental Safety, 2022
Acetylcholinesterase (AChE) is an essential neurotransmitter hydrolase in nervous systems of animals and its number varies among species. So far, five AChEs have been identified in the natural enemy Pardosa pseudoannulata.
Xumin Lin   +5 more
doaj   +1 more source

The efficacy of European fruit lecanium, Parthenolecanium corni (Bouché, 1844) control using natural products

open access: yesHorticultural Science, 2019
European fruit lecanium, Parthenolecanium corni (Bouché, 1844) is among the leading worldwide pests of fruits such as plums, currants, jostaberry, grapevine and many others.
Michal Skalský   +2 more
doaj   +1 more source

Status of insecticide susceptibility in Anopheles gambiae s.l. from malaria surveillance sites in The Gambia. [PDF]

open access: yes, 2009
BACKGROUND: Vector control is an effective way of reducing malaria transmission. The main vector control methods include the use of insecticide-treated bed nets and indoor residual spraying (IRS).
Betson, M   +12 more
core   +1 more source

A restatement of recent advances in the natural science evidence base concerning neonicotinoid insecticides and insect pollinators [PDF]

open access: yes, 2015
A summary is provided of recent advances in the natural science evidence base concerning the effects of neonicotinoid insecticides on insect pollinators in a format (a ‘restatement’) intended to be accessible to informed but not expert policymakers and ...
Field, L.M.   +22 more
core   +1 more source

Resistance to sap-sucking insects in modern-day agriculture

open access: yesFrontiers in Plant Science, 2013
Plants and herbivores have co-evolved in their natural habitats for about 350 million years, but since the domestication of crops, plant resistance against insects has taken a different turn.
Martin eDe Vos   +2 more
doaj   +1 more source

Insecticidal Properties of Capsaicinoids and Glucosinolates Extracted from Capsicum chinense and Tropaeolum tuberosum

open access: yesInsects, 2019
Food security and biodiversity conservation are threatened by the emergence and spread of pest and pathogens, and thus there is a current need to develop pest management strategies that are sustainable and friendly to the environment and human health ...
José L. Claros Cuadrado   +4 more
doaj   +1 more source

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