Lethal activity of individual and mixed monoterpenoids of geranium essential Oil on Musca domestica

Gallardo, Anabella; Picollo, María Inés; Mougabure‐Cueto, Gastón

doi:10.1007/s00436-015-4315-4

Cited by 22 publications

(6 citation statements)

References 15 publications

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“…Mixtures of two or more essential oil components exhibit synergistic, additive and/or antagonist toxicity effects in different insects, such as spider mites, cabbage loopers, house flies and nematodes [24][25][26][27]. Enhanced cuticular penetration caused by changes in pharmacokinetic properties (e.g., solubility and surface tension) of essential oil mixtures leads to synergistic action against the cabbage lopper [28,29].…”

Section: Introductionmentioning

confidence: 99%

Synergistic Toxicity Interactions between Plant Essential Oil Components against the Common Bed Bug (Cimex lectularius L.)

Gaire

Scharf

Gondhalekar

2020

Insects

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Management of the common bed bug (Cimex lectularius L.) necessitates the use of multiple control techniques. In addition to synthetic pesticides and mechanical interventions, plant-derived essential oils represent one of the control options. Mixtures of two or more essential oil components (monoterpenoids) exhibit synergistic toxicity effects against insects due to increased cuticular penetration. Monoterpenoids, such as carvacrol, eugenol and thymol, are neurologically active and inhibit the nerve firing activity of C. lectularius. However, the effects of mixtures of these monoterpenoids on their toxicity and neuroinhibitory potential against C. lectularius are not known. In this study, the toxicity levels of a tertiary mixture of carvacrol, eugenol and thymol (1:1:1 ratio) and a binary mixture of synthetic insecticides, bifenthrin and imidacloprid (1:1 ratio) were evaluated against C. lectularius through topical bioassays and electrophysiology experiments. Both a mixture of monoterpenoids and the mixture of synthetic insecticides exhibited synergistic effects in topical bioassays. In electrophysiology experiments, the monoterpenoid mixture led to greater neuroinhibitory effects, whereas a mixture of synthetic insecticides caused higher neuroexcitatory effects in comparison to single compounds. This study shows evidence for neurological mechanisms of synergistic interactions between monoterpenoids and provides information regarding the utilization of natural compound mixtures for C. lectularius management.

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Section: Introductionmentioning

confidence: 99%

Synergistic Toxicity Interactions between Plant Essential Oil Components against the Common Bed Bug (Cimex lectularius L.)

Gaire

Scharf

Gondhalekar

2020

Insects

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“…The major compounds in P. graveolens were citronellol and geraniol, according to the results of Verma et al (2013). According to Gallardo et al (2015), the main constituents of geranium essential oil showed insecticidal activity against Musca domestica alone. However, the synergistic effect was not observed when evaluated in combination.…”

Section: Discussionmentioning

confidence: 98%

Efficacy and residual effect of Illicium verum (star anise) and Pelargonium graveolens (rose geranium) essential oil on cat fleas Ctenocephalides felis felis

Freitas

Jesus

Chaves

et al. 2021

Rev. Bras. Parasitol. Vet.

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The essential oils (EOs) of Illicium verum and Pelargonium graveolens were evaluated for lethality, inhibition of development and residual efficacy against the flea Ctenocephalides felis felis. Their chemical composition was characterized by means of gas chromatography with a flame ionization and mass spectrometry detection. Mortality at different immature stages and among adult fleas was measured through in vitro filter paper tests at different concentrations of EOs. The chemical characterization of I. verum volatile oil showed that E-anethole (79.96%) was the major constituent, while the major compounds in P. graveolens were citronellol (29.67%) and geraniol (14.85%). Insecticidal activity against both immature and adult flea stages were observed. The EO of I. verum had insecticidal activity for approximately 18 days, while the EO activity of P. graveolens lasted for 13 days. The pulicidal activity of I. verum remained above 70% for up to 9 days, while the activity of P. graveolens was 41.7% for up to 2 days. Essential oils, especially that of I. verum, showed insecticidal activity for flea control at different life cycle stages and have potential for the development of ectoparasiticides (biopesticides) for veterinary use.

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“…There are very few studies on binary, ternary and quaternary mixtures of monoterpenes [22][23][24][25][26]. There are also very few references on mixtures of monoterpenes and conventional insecticides.…”

Section: Discussionmentioning

confidence: 99%

Botanical monoterpenes synergise the toxicity of azamethiphos in the vector of Chagas disease, Triatoma infestans (Hemiptera: Reduviidae)

Reynoso

Seccacini

Zerba

et al. 2020

Tropical Med Int Health

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objective To investigate what toxicological interactions occur when binary combinations of azamethiphos and botanical monoterpenes (eugenol, menthol or menthyl acetate) are applied to Triatoma infestans. methods The toxicity of binary mixtures of azamethiphos and sublethal doses of a monoterpene (eugenol, menthol or menthyl acetate) was evaluated in nymphs of the first stage of T. infestans. Experiments using exposure to filter papers and topical application were carried out. Values of Lethal Concentration 50% (LC50) were calculated in the first case, and values of Lethal Dose 50% (LD50) in the second. results The LC50 of azamethiphos applied on filter paper was 50.3 µg/cm 2. However, when it was simultaneously applied with a sublethal concentration of monoterpene, its toxicity increased (LC50 with eugenol = 11.20 µg/cm 2 , LC50 with menthyl acetate = 5.30 µg/cm 2 , LC50 with menthol = 7.26 µg/cm 2). When applied topically, the LD50 of azamethiphos was 7.85 µg/insect, but its toxicity drastically increased when it was applied together with sublethal doses of menthol (LD50 = 0.00016 µg/insect) or menthyl acetate (LD50 = 0.00051 µg/insect). The simultaneous application with eugenol did not significantly change azamethiphos toxicity (LD50 = 12.79 µg/ insect). conclusions The toxicity of azamethiphos in T. infestans was synergised when it was applied together with eugenol, menthol or menthyl acetate on a filter paper. However, only menthol and menthyl acetate synergysed azamethiphos when mixtures were topically applied. The drastic effects of menthol and menthyl acetate in topical application experiments should be further studied as they could be the basis for developing more efficient triatomicidal products with a lower content of conventional insecticides than those currently used for controlling T. infestans. keywords kissing bug, Chagas disease, synergism, monoterpene, insecticide Sustainable Development Goals (SDGs): SDG 3 (good health and well-being), SDG 15 (life on land), SDG 17 (partnerships for the goals)

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Lethal activity of individual and mixed monoterpenoids of geranium essential Oil on Musca domestica

Cited by 22 publications

References 15 publications

Synergistic Toxicity Interactions between Plant Essential Oil Components against the Common Bed Bug (Cimex lectularius L.)

Synergistic Toxicity Interactions between Plant Essential Oil Components against the Common Bed Bug (Cimex lectularius L.)

Efficacy and residual effect of Illicium verum (star anise) and Pelargonium graveolens (rose geranium) essential oil on cat fleas Ctenocephalides felis felis

Botanical monoterpenes synergise the toxicity of azamethiphos in the vector of Chagas disease, Triatoma infestans (Hemiptera: Reduviidae)

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