Inhibition of the growth of an insect by fatty acids

McFarlane, J. E.; Henneberry, G. O.

doi:10.1016/0022-1910(65)90117-4

Cited by 21 publications

(10 citation statements)

References 2 publications

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“…Three modes of action of insecticidal soaps have been proposed in the past: (1) soap disrupts the cuticle and breaks down cell membranes, resulting in dehydration and rapid death of the arthropod (Olkowski et al 1991, Ware 2000; (2) soaps act as insect growth regulators that interfere with cellular metabolism, particularly in the production of growth hormones during metamorphosis (McFarlane and Henneberry 1965, Andres and Miskus 1972, Puritch 1975; and (3) as contact insecticides, they block spiracles and interfere with respiration (Abbasi et al 1984, Ware 2000. It is likely that these modes of action are variable considering the diversity of different arthropod groups studied and the possibly unique qualities of the various soaps used.…”

Section: Discussionmentioning

confidence: 99%

Behavioral Responses and Mortality in German Cockroaches (Blattodea: Blattellidae) After Exposure to Dishwashing Liquid

Szumlas

2002

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Behavioral responses and mortality of the German cockroach, Blattella germanica (L.), after exposure to solutions of common household dishwashing liquid diluted in tap water without other known insecticidal active ingredients are described. Soap solutions of 0.05, 0.1, 0.25, 0.5, 1.0, 2.0, 3.0, 4.0, and 5.0% were tested on first and second instars, fifth and sixth instars, and adults. Cockroaches were treated individually or in groups. Behavioral observations after treatment included an immediate knockdown period, an awakening and a struggle period, an unresponsive period, and either death or recovery between 30 min and 18 h after treatment. Probit analysis gave an excellent fit of unresponsive rates 18 h after treatment with the various soap concentrations, and LD50 and LD99 values were calculated to be 0.4 and 3.0% soap, respectively. Adult females were the most difficult to kill, but at soap concentrations of 1% or higher, 95% or greater unresponsiveness and death occurred. Soap concentrations of 3% or greater resulted in 100% unresponsiveness after 3 min, and eventually resulted in 100% mortality within 72 h for all adults and nymphs treated. Observations on the mode and site of action for soap are consistent with the blockage of spiracles and/or tracheae that results in asphyxiation and death. Future investigations into the efficacy of soaps against other arthropod groups are warranted and may be beneficial in certain situations.

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Section: Discussionmentioning

confidence: 99%

Behavioral Responses and Mortality in German Cockroaches (Blattodea: Blattellidae) After Exposure to Dishwashing Liquid

Szumlas

2002

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“…Barakat et al (2004) reported that the ethanol and hexane crude extracts of Cassia fi stula (L.) reduced pupation, egg production, and hatchability, and increased percent sterility; the dominant constituents were fatty acids, linoleic acid, hexadecanoic acid, and octadecanoic acid, and their alkyl esters. Another study carried out by Farlane and Henneberry (1965) indicated that the growth of cricket, Gryllodes sigillatus (Walk. ), was inhibited by fatty acids and their methyl esters; the effective fatty acids were lauric, myristic, stearic, and behenic acids.…”

Section: Toxicity Testmentioning

confidence: 99%

Repellent and Insecticidal Activities of Melia azedarach L. against Cotton Leafworm, Spodoptera littoralis (Boisd.)

Farag

Ahmed

Yousef

et al. 2011

Zeitschrift Für Naturforschung C

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A crude acetone extract and oil of ripe fruits from Melia azedarach L. were evaluated against the 2 nd and 4 th instar larvae of Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae). Both oil and extract exhibited highly signifi cant growth inhibition at all concentrations tested, while the oil of M. azedarach recorded higher insecticidal activity against both instars than the crude extract. GC-MS analysis of the oil revealed the presence of linoleic acid methyl ester, oleic acid methyl ester, and free oleic acid as the main components in addition to hexadecanol, palmitic acid, methyl esters of stearic acid and myristic acid. Fatty acids and their esters were not only the main constituents of essential oil from the ripe fruits of M. azedarach, but also mainly responsible for the insecticidal and growth inhibition activity against S. littoralis.

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“…Therefore, studying the role of VFAs may greatly contribute to the general understanding of spatial behavior and chemical ecology of various species [ 2 ]. Papers published by McFarlane [ 2 , 3 , 4 , 5 ], are important in this field, and as such, directly inspired the presented study. For the purposes of this paper, a flexible, cost-effective system, and a new method of analyzing the influence of volatile compounds on spatial preference and behavioral activity of insects was developed.…”

Section: Introductionmentioning

confidence: 97%

Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus)

Baran

Krzyżowski

Cup

et al. 2018

Insects

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Volatile fatty acids (VFAs) are a group of common metabolites and semiochemicals mediating information transfer between higher organisms and bacteria, either from microbiome or external environment. VFAs commonly occur among various insect orders. There are numerous studies exploring their influence on the behavior of different insect species. In relation to the papers published by J. E. McFarlane in 1985, we assessed the effects of formic, acetic, propionic, butyric and valeric acids on the spatial preference of the lesser mealworm (Alphitobius diaperinus), a common pest of stored food grain products and the poultry industry. The main aim of the presented study was to provide new angles in VFA research, recreating the classical study both with new methods and on economically significant pest species. This paper presents a novel method of continuous, simultaneous assessment of site preference and the travelled distance in a constant-flow olfactometer. All the tested VFAs, except valeric acid, had a significant repellent effect, with formic acid being effective even at the lowest used concentration. Additionally, the VFAs significantly altered the distance travelled by the insects. The obtained results indicate a potential role for VFAs in the olfactory guided behavior of A. diaperinus. It is suspected that the reaction to the presence of VFAs may deviate from the specificity of species’ original habitat.

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Inhibition of the growth of an insect by fatty acids

Cited by 21 publications

References 2 publications

Behavioral Responses and Mortality in German Cockroaches (Blattodea: Blattellidae) After Exposure to Dishwashing Liquid

Behavioral Responses and Mortality in German Cockroaches (Blattodea: Blattellidae) After Exposure to Dishwashing Liquid

Repellent and Insecticidal Activities of Melia azedarach L. against Cotton Leafworm, Spodoptera littoralis (Boisd.)

Repellent Effect of Volatile Fatty Acids on Lesser Mealworm (Alphitobius diaperinus)

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