Results 91 to 100 of about 3,076 (212)

Chemical composition of <i>Dipsacus asper</i> Wallich ex Candolle (Dipsacaceae) essential oil and its activity against mosquito larvae of <i>Aedes aegypti</i> and <i>Culex pipiens</i> pallens [PDF]

open access: gold, 2017
Purpose: To evaluate the larvicidal activity of the essential oil of Dipsacus asper Wallich ex Candolle (Dipsacaceae) roots against the larvae of Aedes aegypti L. and Culex pipiens pallens Coquillett.Methods: Essential oil was extracted from D.
Hangqiong Lu   +3 more
openalex   +3 more sources

Estimation of allele-specific Ace-1 duplication in insecticide-resistant Anopheles mosquitoes from West Africa [PDF]

open access: yes, 2015
Background: Identification of variation in Ace-1 copy number and G119S mutation genotype from samples of Anopheles gambiae and Anopheles coluzzii across West Africa are important diagnostics of carbamate and organophosphate resistance at population and
Akogbéto, Martin   +7 more
core   +3 more sources

Laboratory and Simulated Field Bioassays to Evaluate Larvicidal Activity of Pinus densiflora Hydrodistillate, Its Constituents and Structurally Related Compounds against Aedes albopictus, Aedes aegypti and Culex pipiens pallens in Relation to Their Inhibitory Effects on Acetylcholinesterase Activity

open access: yesInsects, 2013
The toxicity of Pinus densiflora (red pine) hydrodistillate, its 19 constituents and 28 structurally related compounds against early third-instar larvae of Aedes albopictus (Ae. albopictus), Aedes aegypti (Ae. aegypti) and Culex pipiens palles (Cx.
Young-Joon Ahn, Dong Chan Lee
doaj   +1 more source

Bioactivities of a New Pyrrolidine Alkaloid from the Root Barks of Orixa japonica

open access: yesMolecules, 2016
A new pyrrolidine alkaloid named (Z)-3-(4-hydroxybenzylidene)-4-(4-hydroxyphenyl)-1-methylpyrrolidin-2-one was isolated from the ethanol extract of the root barks of Orixa japonica. The structure of the new alkaloid was elucidated on the basis of NMR and
Xin Chao Liu   +5 more
doaj   +1 more source

Inability of Diapausing Culex pipiens (Diptera: Culicidae) to Use Blood for Producing Lipid Reserves for Overwinter Survival [PDF]

open access: yes, 2017
Diapausing Culex pipiens L. females fed 10% sucrose for 7 d following eclosion contained significantly more lipids (P < 0.05) than nondiapausing females reared and maintained at the same temperature (22°C) but at a longer photophase (14:10 [L:D] instead ...
Briegel, Hans, Mitchell, Carl J.
core  

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