Comparative Analysis of Nutrients and Hazardous Substances in Locusta Migratoria from Host Plants

Kim, Sun Young; Kwak, Kyu-Won; Kim, Eunsun; Park, Kwan-Ho; Kim, Nang Hee; Song, Myung-Ha; Kim, Yong-Soon; Yoon, Hyung Joo

doi:10.5338/kjea.2020.39.3.30

Cited by 4 publications

(2 citation statements)

References 26 publications

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“…Subspecies of the migratory locust Locusta migratoria L. (Orthoptera: Acrididae) have been recorded in various parts of the world and all of them are the main agricultural pests, causing significant economic damage (Kim et al, 2020;EFSA Panel on Nutrition et al, 2021). In favorable environmental conditions, some locust species exhibit gregarious and migratory behavior, which leads to the formation of spectacular swarms (Peng et al, 2020;Klein et al, 2021;Siddiqui and Khan, 2021).…”

Section: Introductionmentioning

confidence: 99%

Effective Strains of Beauveria Bassiana and B. Pseudobassiana used Against the Asian Locust (Locusta Migratoria L.) in Kazakhstan

Zhumataуeva¹,

Duissembekov²,

Dutbayev³

et al. 2022

OnLine Journal of Biological Sciences

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The purpose of the study was to perform genetic identification of the strains of fungi of the Beauveria genus and evaluate the effect of abiotic factors on the growth and survival of colonies and the productivity of conidia of these fungi, as well as to determine the biological effectiveness of the semi-preparative form of the drug based on Beauveria bassiana in the field. Conventional and modern methods accepted in biology and mycology were used. Identification of strains of Beauveria fungi was carried out by determining the direct nucleotide sequence of the TEF region. Laboratory experiments were carried out to evaluate various factors on the diameter of colony growth, survival in deep and surface cultivation, the type of semi-preparative form of the drug based on B. bassiana and the time of its exposure, and the effect on the biological effects of drugs in the field. Statistical data processing was carried out in the R studio program using the P value. The productivity of conidia of entomopathogenic fungi during surface cultivation depended on the type of strain and the duration of cultivation of conidia. The diameter of the growth of Beauveria fungi colonies was influenced by the factors of the strain, the type of nutrient medium, the temperature of colony cultivation, and the number of days after the start of colony cultivation. The survival of conidia of the B. bassiana fungus on the wings of Locusta migratoria L. orrelated with the indicators of cultivation temperature and germination of conidia and cultivation time. The productivity of Beauveria spp. conidia correlate with the type of strain, the type of substrate, and the time of exposure. The conidia continued to germinate on the 25 th day. Fungi grew better on a substrate based on millet. In the field, the mortality rate of L. migratoria L. and the biological effectiveness of biopesticides were influenced by the factors of the strain, the form of spraying with the bio preparation, and the time elapsed after treatment with the biopesticide.

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Section: Introductionmentioning

confidence: 99%

Effective Strains of Beauveria Bassiana and B. Pseudobassiana used Against the Asian Locust (Locusta Migratoria L.) in Kazakhstan

Zhumataуeva¹,

Duissembekov²,

Dutbayev³

et al. 2022

OnLine Journal of Biological Sciences

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“…P . brevitarsis is one of several edible insects including beetles, grasshoppers, honeybees, mealworms, and silkworms that have received the Korean government support as a promising future protein source or for medicinal purposes [ 4 ]. In particular, P .…”

Section: Introductionmentioning

confidence: 99%

Easy and effective analytical method of carbendazim, dimethomorph, and fenoxanil from Protaetia brevitarsis seulensis using LC-MS/MS

et al. 2021

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Traditionally in Korea, Protaetia brevitarsis seulensis (white-spotted flower chafer) has been used as a medicine, and recently has attracted increased attention due to its antithrombotic efficacy. Some of spent mushroom compost or fermented oak sawdust, a feedstock for P. brevitarsis, were contaminated with three fungicides, carbendazim, dimethomorph, and fenoxanil, which could be transferred to the insect. This study was aimed to optimize a simple extraction method combined with liquid chromatography tandem mass spectrometry and apply it to the real samples. After the pulverized samples (5 g) were extracted with acetonitrile (10 mL) and formic acid (100 μL), fat and lipids in the samples were slowly precipitated at -20°C for 24 hours. After eight different clean-up methods were investigated, the mixture of 150 mg MgSO4/25 mg PSA/25 mg C18 was selected due to optimal recovery of the target compounds. Recovery (77.9%‒80.8% for carbendazim, 111.2%‒116.7% for dimethomorph, and 111.9%‒112.5% for fenoxanil) was achieved with reasonable relative standard deviation (<5.5%) The analytical method developed in this study was used to analyze three compounds in the 24 insect samples donated by the insect farm owners but no target compounds were detected. These results can provide important data for establishing the pesticide safety standards for P. brevitarsis before the medical applications.

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Development of optimized artificial diets for enhanced growth of Zophobas atratus larvae

Park,

Kim,

Yoon

2024

Entomological Research

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This study evaluates the effects of various artificial diets on the development of Zophobas atratus larvae. Artificial diets containing various concentrations of agar were also investigated for their ability to reduce death rates during the early stages of larval development. Our results indicated that larvae fed artificial diets experienced a slightly longer developmental period but achieved significantly higher weights. Notably, wheat bran + fish meal 6% resulted in the highest weight gain; however, wheat bran + fish meal 6%, wheat bran + fish meal 5% + ginseng leaf 1%, and wheat bran + fish meal 4% + ginseng leaf 2% yielded higher death rates. The diet with 4% agar resulted in the shortest developmental period, whereas that with 3% agar produced the highest weight gain. However, considering death rates, the diet with 2% agar provided the most balanced outcome across developmental time, weight gain, and survival, making it the most suitable diet for Z. atratus larvae. In conclusion, wheat bran + fish meal + agar 2% artificial diet is more suitable for Z. atratus larval development than wheat bran, leading to greater weight gain, shorter development periods, and higher adult emergence rates. Additionally, this diet showed the potential to reduce the dust issues and labor demands associated with wheat bran usage. Our findings suggest that wheat bran + fish meal + agar 2% could be an effective artificial diet for the optimal development of Z. atratus larvae.

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Comparative Analysis of Nutrients and Hazardous Substances in Locusta Migratoria from Host Plants

Cited by 4 publications

References 26 publications

Effective Strains of Beauveria Bassiana and B. Pseudobassiana used Against the Asian Locust (Locusta Migratoria L.) in Kazakhstan

Effective Strains of Beauveria Bassiana and B. Pseudobassiana used Against the Asian Locust (Locusta Migratoria L.) in Kazakhstan

Easy and effective analytical method of carbendazim, dimethomorph, and fenoxanil from Protaetia brevitarsis seulensis using LC-MS/MS

Development of optimized artificial diets for enhanced growth of Zophobas atratus larvae

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