Effect of Volatiles from Neem and Other Natural Products on Gonotrophic Cycle and Oviposition of Anopheles stephensi and An. culicifacies (Diptera: Culicidae)

Dhar, Ravi; Dawar, Hema; Garg, Sanjay; Basir, S. F.; Talwar, G.P.

doi:10.1093/jmedent/33.2.195

Cited by 68 publications

(45 citation statements)

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“…This phenomenon is in agreement with previously reported decreases in oviposition for insects treated with neem products (Musabyimana et al 2001;Bruce et al 2004). Large alterations in the fecundity of insects exposed to neem have been extensively reported, such as those in the fly, C. capitata (Steffens and Schmutterer 1982); banana root borer, Cosmopolites sordidus (Germar) (Musabyimana et al 2001); and mosquitoes, A. stephensi and A. culicifacies (Dhar et al 1996). The work published by Khan et al (2007) microscopically demonstrated that the decrease in fecundity of B. cucurbitae and B. dorsalis exposed to neem compound was due to the block of ovarian development.…”

Section: Discussionsupporting

confidence: 92%

“…As discussed by Weathersbee III and Tang (2002), the disruption of reproductive capability could lead to substantial population decline over time. Furthermore, Dhar et al (1996) revealed that exposure to neem extract suppressed rather than inhibited oviposition in mosquitoes. This might, in part, explain our result that flies in the third generation showed normal bioavailability after exposure to neem.…”

Section: Discussionmentioning

confidence: 99%

“…Example of this include: reduction of fecundity and post-embryonic development in the melonfly, Bactocera cucurbitae (Coq. ), oriental fruit fly, Bactocera dorsalis (Hendel) (Singh 2003), and root weevil, Diaprepes abbreviatus (L.) (Weathersbee III and Tang 2002); fecundity and longevity of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Steffens and Schmutterer 1982;Di Ilio et al 1999) and the bug, Clavigralla scutellaris Westwood (Mitchell et al 2004); delay of growth development in the moth, Helicoverpa armigera (Hübner) (Ma et al 2000); inhibition of feeding in the mosquitoes, Culex tarsalis Coquillett and Culex quinquefasciatus Say (Su and Mulla 1998a); ovicidal activity in the mosquitoes, C. tarsalis and C. quinquefasciatus (Su and Mulla 1998b); inhibition of oviposition in the mosquitoes, Anopheles stephensi Liston and Anopheles culicifacies Giles (Dhar et al 1996); larvicidal activity in the horn fly, Haematobia irritans (L.), stable fly, Stomoxys calcitrans (L.), and housefly (Miller and Chamberlain 1989); and repellency effect in the sand flies, Phlebotomus papatasi (Scopoli) (Dhiman and Sharma 1994) and Phlebotomus argentipes Annandale and Brunetti (Sharma and Dhiman 1993), and mosquito, A. culicifacies , which was also reviewed by Mulla and Su (1999). Despite the results just listed, probability of insect to product effect from A. indica is low (Vollinger and Schmutterer 2002).…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of neem extract against the blowfly and housefly

et al. 2008

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The blowfly, Chrysomya megacephala (Fabricius), and housefly, Musca domestica Linnaeus, are ubiquitous insects that have the potential to spread a variety of pathogens to humans and livestock. Pest management techniques for populations of these flies are needed. Currently, bioinsecticides, particularly those derived from plant origin, have been increasingly evaluated in controlling populations of medically important insects. In this study, an attempt was made to evaluate the efficacy and biological activity of a commercially available neem extract, containing 0.24% azadirachtin A, against C. megacephala and M. domesitca. Laboratory bioassays were performed using the feeding method of mixing neem solutions with fresh beef, once or multiple times, as food for rearing third instar. The laboratory tests showed that neem products significantly reduced larval and pupal survival, adult emergence, pupal weight, adult wing length, and fecundity on the subsequent generation, in a dose-dependent manner in both species. Efficacy was observed in the first generation and could extend to the second generation. Despite these reductions, reduction in total adult longevity was not evident for larvae fed once on neem solutions with fresh beef, and slightly earlier (approximately 1 week) mortality was observed in both species when they were fed as larvae on multiple doses. Adverse effects of this neem-based product toward M. domestica were slightly greater than those in C. megacephala. These data reinforced the efficacy of neem extract in reduced adult emergence and anti-fecundity in the subsequent generation. However, neem extract induced only low to moderate larval and pupal mortalities.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Efficacy of neem extract against the blowfly and housefly

et al. 2008

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“…The constituents of plants volatiles could enter test insects either through the cuticle or the spiracle [29]. The probable reason for the death of insects when exposed to volatiles compounds could be either due to interference in gaseous exchange in respiration or asphyxiation [30].…”

Section: Chemical Constituentsmentioning

confidence: 99%

Bioactivity of Citrus hystrix D.C. Leaf Extract Against Cigarette Beetle Lasioderma serricorne (F.)

Ikawati

Dhuha

Himawan

2017

J.Trop.Life.Science

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The major control of pest stored Lasioderma serricorne for using synthetic pesticides, look like phosphine. Although quite effective, synthetic pesticides have a negative effect on the environment, such as pest resistance, deadly natural enemies, residues that are harmful to the environment and human health. The use of botanical pesticides as an alternative control be the focus this study. Botanical pesticides are selective to the target, safe for non-target insects and the environment. This research studies the repellent and fumigant activity of the leaf extract of Citrus hystrix against all L. serricorne life stage. The results of GC-MS analysis of leaf crude extracts of C. hystrix with N-hexane solvent showed the highest percentage in the citronellal compound (86.43%). C. hystrix leaf extract showed stronger fumigant against pupae and eggs, compared adults, and larvae. The toxicity of the leaf extract of C. hystrix increased with increasing concentration. At a concentration of 60 ppm, fumigant activity showed the toxicity of 98.75% (pupae), 93.75% (eggs), 86.25% (adults) and 76.25% (larvae). Sequentially the LC50 value of fumigant activity from the highest to the lowest as follows; larvae 47.56 ppm, adults 43.42 ppm, eggs 31.61 and pupae 29.63 ppm. Extract of leaves of C. hystrix, have character repellent against L. serricorne. At a concentration of 60 ppm the IR value of 66% including repellent class IV, which means strong repellent level. Based on the results of the research, extracts of leaves of C. hystrix has a fumigant activity and repellent for controlling L. serricorne.

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“…They also tend to be safe for animals and the environment [12]. Specifically, many studies have drawn attention to the toxic effects of plant extracts on related Diptera [8,13,14].…”

Section: Introductionmentioning

confidence: 99%

Insecticidal Properties and Chemical Composition of Conyza Aegyptiaca (L.) Oil: Studies on Two Dipterous Insect Pests

Mansour

Mohamed²

2013

TOTNJ

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Abstract:The herb, Conyza aegyptiaca L., was subjected to hydrodistillation process to extract the essential oil from the whole dry plant material. Larvae and adult stages of the mosquito, Anopheles pharoensis, and the housefly, Musca domestica, were used as test model organisms representing two dipterous insect pests of medical importance. Under standard bioassay test methods, the LC50 of the oil accounted to 37.8 ppm and 0.087 mg/cm 2 against larvae and adults of An. pharoensis, respectively. These toxicity parameters were found to be 71.8 ppm as LC50 and 0.125 µg/insect as LD50 against larvae and adults of M. domestica, respectively. Using GC/MS analysis, we identified 19 compounds constituting ca. 97% of phytochemicals present in the oil, such as monoterpenes, sesquiterpenes and esters. Limonene constituted about 50% of the plant oil (48.79%), followed by (E) -β-Ocimene (8.66%), Germacrene D (7.54%) and β-pinene (6.91%). The occurrence of the other constituents ranged between 0.27% and 5.29%. It was concluded that the potency of C. aegyptiaca oil refers mainly to the presence of limonene. The findings of this study may encourage more research aiming at investigation of eco-friendly biopesticides based on botanical resources.

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Effect of Volatiles from Neem and Other Natural Products on Gonotrophic Cycle and Oviposition of Anopheles stephensi and An. culicifacies (Diptera: Culicidae)

Cited by 68 publications

References 0 publications

Efficacy of neem extract against the blowfly and housefly

Efficacy of neem extract against the blowfly and housefly

Bioactivity of Citrus hystrix D.C. Leaf Extract Against Cigarette Beetle Lasioderma serricorne (F.)

Insecticidal Properties and Chemical Composition of Conyza Aegyptiaca (L.) Oil: Studies on Two Dipterous Insect Pests

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