Evaluating <i>Bactrocera dorsalis</i> (Hendel) (Diptera: Tephritidae) Response to Methyl Eugenol: Comparison of Three Common Bioassay Methods

Sim, Sheina B.; Curbelo, Keena; Manoukis, Nicholas C.; Dong, H.

doi:10.1093/jee/toac018

Cited by 11 publications

(10 citation statements)

References 37 publications

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“…To control the female population, attractants like protein hydrolysate, orange ammonia, and liquid protein bait have also been tested ( 16 ). MAT is an effective management strategy for several Bactrocera species ( 17 , 18 ). It was used to eradicate the oriental fruit fly B. dorsalis (Hendel) from Rota Island by distributing thousands of fiberboard blocks soaked with ME and an insecticide ( 19 ).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of lure mixtures in baited traps to attract different fruit fly species in guava and vegetable fields

et al. 2023

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Fruit flies (Diptera: Tephritidae) are major pests of fruits and vegetables worldwide. We measured the efficacy of attractive lure mixtures in baited traps on naturally-occurring fruit flies in commercial mosaic guava and vegetables fields in Pakistan. We tested three mixtures (methyl-eugenol [ME] and cue lure [CL]; GF-120 and methyl eugenol; and GF-120 and cue lure) in eleven ratios: 0:100, 10:90, 20:80, 30:70, 40:60, 50:50, 60:40, 70:30, 80:20, 90:10, and 100:0. We recorded three fruit fly species: Bactrocera zonata was the most abundant in baited traps, followed by Bactrocera dorsalis, while Zeugodacus cucurbitae was significantly less attracted to baited traps. We also found that the most attractive mixture and ratio varied among species: B. dorsalis was most attracted by 40CL:60ME, while B. zonata was most and equally attracted by 100ME, 10CL:90ME, 20CL:80ME, 30CL:70ME, and 40CL:60ME. Finally, Z. cucurbitae was most attracted by 10CL:90ME, which resulted in the highest total number of flies counted in 10CL:90ME-baited traps. Mixtures with GF-120 were less attractive to all three species. Our results suggest that lure mixtures in baited traps influence the attraction of fruit flies in a species-specific way. This needs to be considered in the integrated pest management of multiple species of fruit flies simultaneously. If Bactrocera species are most damaging and abundant, a 40CL:60ME mixture in baited traps will likely be most effective to reduce pest abundance and crop damage. However, if Z. cucurbitae is the main pest target causing most crop damage and yield loss, 10CL:90ME-baited traps will be a more effective in their monitoring and management.

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Section: Introductionmentioning

confidence: 99%

Efficacy of lure mixtures in baited traps to attract different fruit fly species in guava and vegetable fields

et al. 2023

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“…Tephritids maintained under mass rearing conditions may vary from their wild counterparts with respect to development time, fertility, and survivorship [ 39 , 40 ]. Additionally, a more recent study conducted by Sim et al [ 41 ] determined that a long-term lab stock of B . dorsalis had a lower response rate to ME lures in rotating carousel cages compared to a wild-type colony strain.…”

Section: Discussionmentioning

confidence: 99%

Less is more: Fewer attract-and-kill sites improve the male annihilation technique against Bactrocera dorsalis (Diptera: Tephritidae)

Fezza,

Shelly,

Fox

et al. 2024

PLoS ONE

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The Male Annihilation Technique (also termed the Male Attraction Technique; “MAT”) is often used to eradicate pestiferous tephritid fruit flies, such as Bactrocera dorsalis (Hendel). MAT involves the application of male-specific attractants combined with an insecticide in spots or stations across an area to reduce the male population to such a low level that suppression or eradication is achieved. Currently, implementations of MAT in California and Florida targeting B. dorsalis utilize the male attractant methyl eugenol (ME) accompanied with a toxicant, such as spinosad, mixed into a waxy, inert emulsion STATIC ME (termed here “SPLAT-MAT-ME”). While highly effective against ME-responding species, such applications are expensive owing largely to the high cost of the carrier matrix and labor for application. Until recently the accepted protocol called for the application of approximately 230 SPLAT-MAT-ME spots per km2; however, findings from Hawaii suggest a lower density may be more effective. The present study adopted the methods of that earlier work and estimated kill rates of released B. dorsalis under varying spot densities in areas of California and Florida that have had recent incursions of this invasive species. Specifically, we directly compared trap captures of sterilized marked B. dorsalis males released in different plots under three experimental SPLAT-MAT-ME densities (50, 110, and 230 per km2) in Huntington Beach, CA; Anaheim, CA; and Sarasota-Bradenton, FL. The plots with a density of 110 sites per km2 had a significantly higher recapture proportion than plots with 50 or 230 sites per km2. This result suggests that large amounts of male attractant may reduce the ability of males to locate the source of the odor, thus lowering kill rates and the effectiveness of eradication efforts. Eradication programs would directly benefit from reduced costs and improved eradication effectiveness by reducing the application density of SPLAT-MAT-ME.

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“…Ephedrine hydrochloride is known for its cough‐suppressing, bronchial‐dilating, bronchodilatory, central stimulating, hypotensive, and hypoglycemic effects (Zheng et al, 2023). Methyl eugenol is recognized for its hypotensive, antitussive, expectorant, sedative, and analgesic properties (Sim et al, 2022). Furthermore, cinnamaldehyde exhibits anti‐inflammatory, antipyretic, analgesic, anticancer, and blood circulation–enhancing pharmacological effects.…”

Section: Discussionmentioning

confidence: 99%

Prediction and analysis of quality markers for Chuantieling gel patches based on HPLC fingerprinting and network pharmacology

Du,

Lu,

Xiao

et al. 2023

Biomedical Chromatography

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The Chuantieling gel patch (CGP), a traditional Chinese medicine compound, is an external treatment for asthma. It has shown remarkable effectiveness in alleviating asthma‐related airway hyperresponsiveness and inflammation. Nevertheless, there is currently no information available regarding the analysis of quality markers for CGP, and there is a need for further improvement in quality control research. In this study, we developed an HPLC fingerprinting method for CGP and conducted a comprehensive methodological investigation. We assessed the similarity among 10 batches of CGP, identified common peaks, and quantified the content of seven major quality markers. Furthermore, we built a network pharmacology–based ‘active ingredients–targets–pathways–diseases’ network to forecast the potential mechanisms of action for the primary active components in asthma treatment. Our findings demonstrated that the developed CGP fingerprinting and content determination methods were consistent and trustworthy. We verified the existence of 25 shared peaks and successfully identified 7 chromatographic peaks, including sinigrin thiocyanate, ephedrine hydrochloride, methyleugenol, imperatorin, cinnamaldehyde, emodin, and 6‐gingerol, using reference standards. The network pharmacology analysis suggested that these seven active components may target proteins such as STAT3 (signal transducer and activator of transcription 3), MAPK3 (mitogen‐activated protein kinase 3), and TP53 (tumor protein P53) and influence various diseases through pathways including cancer pathways, hepatitis B, and PI3K–Akt (phosphoinositide 3‐kinase–protein kinase B) signaling. This study provides insight into the complex multicomponent composition of CGP, and the predictive analysis through network pharmacology sets the stage for uncovering the mechanisms responsible for the therapeutic effects of CGP.

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Evaluating Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) Response to Methyl Eugenol: Comparison of Three Common Bioassay Methods

Cited by 11 publications

References 37 publications

Efficacy of lure mixtures in baited traps to attract different fruit fly species in guava and vegetable fields

Efficacy of lure mixtures in baited traps to attract different fruit fly species in guava and vegetable fields

Less is more: Fewer attract-and-kill sites improve the male annihilation technique against Bactrocera dorsalis (Diptera: Tephritidae)

Prediction and analysis of quality markers for Chuantieling gel patches based on HPLC fingerprinting and network pharmacology

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