Journal of Asia-pacific Entomology最新文献

Nanoscale γ-Fe2O3 supplementation to enhance nutritional uptake, immune response, and cocoon yield in Bombyx mori L.: An in vivo approach 纳米级γ-Fe2O3补充提高家蚕营养吸收、免疫反应和茧产量的体内研究

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2026-01-22 DOI: 10.1016/j.aspen.2026.102524

Ramanan Adikesavan , Govindaraju Kasivelu , Madesh Kamalakannan , Kannan Malaichamy , Santhiya Panchalingam

Mulberry silkworm (Bombyx mori L.) is a significant economic Lepidopteran insect, which mainly feeds on mulberry leaves and produces silk as a cocoon. The present study demonstrated the utilization of naturally available seaweed biomass for the preparation of γ-Fe₂O₃ nanoparticles (NPs). The particles are physicochemically characterized using X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and Field Emission Scanning Electron Microscope (FE-SEM) equipped with EDX, which confirmed the phase composition, crystal structure, surface morphology and elemental distribution. The average size of the γ-Fe₂O₃ NPs is 27 nm, with a rod-like and predominantly spherical shape. Further, γ-Fe₂O₃ NPs were used as dietary supplementation with different concentrations (10, 50, 100, 150 and 200 mg/L) and evaluated for nutritional indices, immunological parameters, biochemical/enzymatic analysis, economic traits, bio-distribution and molecular docking with serine protease, vitelline-degrading protease and low molecular mass lipoprotein. Among various concentrations of γ-Fe₂O₃ NPs supplemented, the 100-mg/L concentration showed enhanced growth, survival, and economic traits of silkworm in comparison to the untreated (control). In the present study, the results suggest that phycogenic γ-Fe₂O₃ NPs hold potential to establish new methods to boost nutritional, immunological health and cocoon economic traits in silkworm B. mori and provide new clues for its broad sericulture applications.

桑蚕（Bombyx mori L.）是鳞翅目重要的经济昆虫，主要以桑叶为食，产蚕茧。本研究展示了利用天然可利用的海藻生物量制备γ-Fe2O3纳米颗粒（NPs）。采用x射线衍射（XRD）、傅里叶变换红外光谱（FTIR）和场发射扫描电镜（FE-SEM）对颗粒进行了物理化学表征，确定了颗粒的相组成、晶体结构、表面形貌和元素分布。γ-Fe2O3 NPs的平均尺寸为27 nm，呈棒状，以球形为主。在饲料中添加不同浓度（10、50、100、150和200 mg/L）的γ-Fe2O3 NPs，评价其营养指标、免疫学参数、生化/酶学分析、经济性状、生物分布以及与丝氨酸蛋白酶、卵磷脂降解蛋白酶和低分子质量脂蛋白的分子对接。在不同浓度的γ-Fe2O3 NPs中，与未处理的（对照）相比，100 mg/L浓度的γ-Fe2O3 NPs对家蚕的生长、存活和经济性状都有促进作用。本研究结果表明，植生型γ-Fe2O3 NPs有可能为改善家蚕营养、免疫健康和蚕茧经济性状建立新的方法，并为其在蚕业的广泛应用提供新的线索。

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引用次数: 0

Microbial azurin exhibits potent insecticidal activity against Plutella xylostella without phytotoxic effects on cabbage 微生物蓝蛋白对小菜蛾有较强的杀虫活性，对白菜无植物毒性作用

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2026-01-21 DOI: 10.1016/j.aspen.2026.102523

Fawzya AlOmari , Deyala M. Naguib

The increasing prevalence of insecticide resistance among agricultural pests highlights the urgent need for novel, effective, and environmentally safe insecticidal agents. Azurin, a redox-active protein produced by Pseudomonas aeruginosa, was evaluated for its insecticidal potential against Plutella xylostella (diamondback moth) larvae and its phytotoxicity on cabbage (Brassica oleracea var. capitata). Larval bioassays revealed that azurin exhibited potent toxicity, with an IC₅₀ value of 0.008 mg/mL after 24 h of exposure. Time- and dose-dependent increases in larval mortality were observed, and azurin-treated larvae showed significant biochemical alterations. Acetylcholinesterase, glutathione S-transferase, and carboxylesterase activities were significantly reduced by 47.36%, 37.168% and 48.27%, respectively, indicating interference with neural and detoxification pathways. Conversely, superoxide dismutase (SOD), and catalase (CAT) activities were markedly elevated, alongside a 122.64% increase in malondialdehyde (MDA), reflecting enhanced oxidative stress and lipid peroxidation. Phytotoxicity evaluation of azurin at its insecticidal concentration (0.1 mg/mL) on cabbage plants revealed no adverse effects. All measured parameters—plant height, leaf number, leaf area, biomass, and chlorophyll content (SPAD)—remained unaffected or slightly improved in treated plants, confirming the compound’s safety for crop application. These findings suggest that azurin exerts its insecticidal activity via a multi-targeted mechanism involving neurotoxicity and oxidative stress, while exhibiting no phytotoxicity to host plants. Azurin holds promise as a bioinsecticidal agent for integrated pest management and warrants further development for sustainable agricultural use.

农业害虫对杀虫剂的抗药性日益普遍，这突出表明迫切需要新型、有效和环境安全的杀虫剂。研究了铜绿假单胞菌（Pseudomonas aeruginosa）产生的氧化还原活性蛋白Azurin对小菜蛾（小菜蛾）幼虫的杀虫潜力和对甘蓝（Brassica oleracea var. capitata）的植物毒性。幼虫生物测定表明，蓝脲具有强毒性，暴露24 h后IC50值为0.008 mg/mL。观察到幼虫死亡率随时间和剂量的增加而增加，并且azurin处理的幼虫表现出显着的生化改变。乙酰胆碱酯酶、谷胱甘肽s -转移酶和羧酸酯酶活性分别显著降低47.36%、37.168%和48.27%，表明神经和解毒途径受到干扰。相反，超氧化物歧化酶（SOD）和过氧化氢酶（CAT）活性显著升高，丙二醛（MDA）含量增加122.64%，反映了氧化应激和脂质过氧化作用的增强。以杀虫浓度（0.1 mg/mL）对白菜进行植物毒性评价，未发现不良反应。所有测量的参数——株高、叶数、叶面积、生物量和叶绿素含量（SPAD）——在处理过的植物中都没有受到影响或略有改善，证实了该化合物在作物应用中的安全性。这些发现表明，蓝蛋白通过涉及神经毒性和氧化应激的多靶点机制发挥其杀虫活性，而对寄主植物无植物毒性。Azurin有望成为一种生物杀虫剂，用于害虫综合治理，并值得进一步开发用于可持续农业利用。

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引用次数: 0

A C-type lectin from domestic silkworm (Bombyx mori) is involved in bacterial recognition and participates in prophenoloxidase activation 家蚕c型凝集素参与细菌识别并参与酚氧化酶原活化

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2026-01-09 DOI: 10.1016/j.aspen.2026.102522

Yan Huang , Jing Zhang , Jingyao Shi , Jie Wu , Dan Zhang , Qiaoling Zhao , Dongxu Shen

C-type lectins (CTLs), which belong to the superfamily of glycan-binding proteins, are characterized by the presence of one or more carbohydrate recognition domains (CRDs). CTLs are involved in biological processes, such as immune recognition, intercellular signaling, cell adhesion, and pathogen clearance, and are widely distributed across diverse organisms, from invertebrates to vertebrates. In this study, we investigated the function of the C-type lectin gene named BmIML-2, in the innate immune response of the domestic silkworm, Bombyx mori. First, our results suggested that BmIML-2 was highly expressed in fat body and its transcript levels were significantly up-regulated after induction by different species of bacteria. Afterwards, BmIML-2 was recombinantly expressed using a prokaryotic expression system to delve into its physiological function. Binding assays showed that recombinant BmIML-2 (rBmIML-2) exhibits binding capacity to bacteria, including Escherichia coli, Micrococcus luteus, Staphylococcus aureus and Bacillus subtilis. In addition, Enzyme linked immunosorbent assay (ELISA) demonstrated that rBmIML-2 also binds to cell wall components, such as lipopolysaccharide (LPS) and peptidoglycan (PGN), with more intensely binding affinity to the former. Furthermore, encapsulation assays in vitro suggested that rBmIML-2 was able to accelerate encapsulation and melanization mediated by hemocytes. Finally, we demonstrated that rBmIML-2 significantly potentiates the stimulation pathway of prophenoloxidase (PPO) in plasma. In summary, our results demonstrate that BmIML-2 can act as a pattern recognition receptor (PRR) involved in the host innate immune response.

c型凝集素（ctl）属于聚糖结合蛋白超家族，其特征是存在一个或多个碳水化合物识别结构域（CRDs）。ctl参与生物过程，如免疫识别、细胞间信号传导、细胞粘附和病原体清除，广泛分布于从无脊椎动物到脊椎动物的各种生物中。在这项研究中，我们研究了c型凝集素基因BmIML-2在家蚕先天免疫应答中的功能。首先，我们的研究结果表明，BmIML-2在脂肪体中高表达，在不同种类细菌的诱导下，其转录水平显著上调。随后，利用原核表达系统重组表达bmml -2，深入研究其生理功能。结合实验表明，重组BmIML-2 （rBmIML-2）具有与大肠杆菌、黄体微球菌、金黄色葡萄球菌和枯草芽孢杆菌等细菌的结合能力。此外，酶联免疫吸附试验（ELISA）表明rBmIML-2还与细胞壁成分如脂多糖（LPS）和肽聚糖（PGN）结合，且前者的结合亲和力更强。此外，体外包封实验表明，rBmIML-2能够加速血细胞介导的包封和黑色素化。最后，我们证明rBmIML-2显著增强了血浆中酚氧化酶原（PPO）的刺激途径。综上所述，我们的研究结果表明bmml -2可以作为一种模式识别受体（PRR）参与宿主先天免疫反应。

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引用次数: 0

Five-year surveillance of AcSBV prevalence in Apis cerana in northern Taiwan explore the risk of co-cultured with Apis mellifera 台湾北部中华蜜蜂5年AcSBV流行情况监测，探讨与蜜蜂共养的风险

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2026-01-06 DOI: 10.1016/j.aspen.2026.102520

Zih-Ting Chang , Yu-Shin Nai , Yue-Wen Chen

The sacbrood virus (SBV) poses a significant threat to Apis cerana larvae, often resulting in high mortality rates and potential colony collapse. A five-year monitoring program of A. cerana colonies in northern Taiwan was conducted from 2019 to 2023 to assess changes in AcSBV (SBV in A. cerana) prevalence and to investigate the effects of co-culturing Apis cerana with Apis mellifera. The results revealed that AcSBV prevalence peaked in 2019, with infection rates of 66.47% in A. cerana-only apiaries and 56.51% in co-cultured apiaries. The prevalence in both types of apiaries declined by 2021. Notably, AcSBV prevalence was significantly higher in A. cerana-only apiaries during autumn 2019, but by winter 2023, the highest prevalence was observed in co-cultured apiaries, indicated the cross-species infection of AcSBV, and a potential risk of SBV spillover from A. mellifera. The long-term surveillance data highlight an increased risk of SBV cross-species infection during seasonal transitions in autumn and winter, providing valuable insights for developing beekeeping strategies aimed at mitigating sacbrood disease in Taiwan.

囊化病毒（SBV）对中华蜜蜂幼虫构成重大威胁，往往导致高死亡率和潜在的群体崩溃。本文于2019 - 2023年对台湾北部中华蜜蜂种群进行了5年的监测，以评估中华蜜蜂AcSBV（蜜蜂体内的SBV）流行率的变化，并探讨中华蜜蜂与蜜蜂共培养的效果。结果显示，2019年中华蜜蜂AcSBV感染率达到高峰，单养中华蜜蜂蜂房感染率为66.47%，共养蜂房感染率为56.51%。到2021年，这两种蜂场的流行率都有所下降。值得注意的是，2019年秋季，AcSBV在仅饲养中华蜜蜂的养蜂场的流行率显著高于其他养蜂场，但到2023年冬季，共养养蜂场的流行率最高，这表明AcSBV存在跨物种感染，并存在从蜜蜂传播SBV的潜在风险。长期监测数据显示，在秋季和冬季的季节转换期间，SBV跨物种感染的风险增加，为制定旨在减轻台湾sac产卵病的养蜂策略提供了有价值的见解。

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引用次数: 0

Ecological interactions among plants, honeybees, and microbes: implications for sustainable ecosystems 植物、蜜蜂和微生物之间的生态相互作用：对可持续生态系统的影响

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-29 DOI: 10.1016/j.aspen.2025.102519

Prem Siva Naga Teja Alapati , Dharmender Kumar , Baljeet Singh Saharan

Honeybees are social insects recognized for their olfactory and symbolic communication abilities. They are attracted to plants by detecting chemical compounds such as floral volatiles in nectar, low-concentration phenolics, sugar compounds, spiroacetals, linalool, and 1,4-dimethoxybenzene. Additionally, they respond to lures of Japanese beetles and queen bee pheromones but are repelled by certain chemical compounds. Pesticide residues and antimicrobials sprayed by farmers, like neonicotinoids, show detrimental effects on the growth of honeybees and their gut microflora. Floral nectar, often colonized by yeasts and bacteria, undergoes chemical modifications due to microbial byproducts or antibiotics, influencing pollinator perception and health. These microbial interactions affect honeybee foraging behaviors and direct interactions. While visiting flowers, honeybees inadvertently transfer microbes to their hives, which aid in various activities such as breaking down complex substances and carbohydrate digestion. The honeybee microbiota, comprising lactic acid bacteria (LAB), Bacillus spp., fungi, and yeast, also supports ecosystem health and productivity. Thereby, the microbial metabolites, such as various types of amino acids and fatty acids, and volatile organic compounds (VOCs), such as 2-phenylethanol and acetaldehyde, etc., can modulate nectar chemistry and pollinator behavior by the functional mechanism. Overall, honeybees play an integral role in sustaining ecosystems through their interactions with plants and microbiota. Honeybee microbiome engineering and microbial biocontrol strategies are sustainable approaches that can improve honeybee health and also safeguard pollination mechanisms. This review discusses the intricate relationships between honeybees, plants, and microbes, emphasizing the significance of understanding these dynamics for sustainable development and also the ethical considerations of using honeybees as microbial vectors. Hence, the honeybees contribute to the sustainable development of nature ecology conservation.

蜜蜂是群居昆虫，以其嗅觉和符号交流能力而闻名。它们通过探测花蜜中的花挥发物、低浓度酚类物质、糖化合物、螺旋缩醛、芳樟醇和1,4-二甲氧基苯等化学物质被植物吸引。此外，它们对日本甲虫和蜂王信息素的引诱有反应，但对某些化合物有排斥作用。农民喷洒的农药残留和抗菌剂，如新烟碱，对蜜蜂的生长和它们的肠道微生物群有不利影响。花蜜通常由酵母和细菌定植，由于微生物副产品或抗生素而发生化学修饰，影响传粉者的感知和健康。这些微生物相互作用影响蜜蜂的觅食行为和直接相互作用。在访花过程中，蜜蜂不经意间将微生物转移到蜂巢中，这有助于各种活动，如分解复杂物质和消化碳水化合物。蜜蜂的微生物群，包括乳酸菌（LAB），芽孢杆菌，真菌和酵母，也支持生态系统的健康和生产力。因此，微生物代谢产物，如各种类型的氨基酸和脂肪酸，以及挥发性有机物，如2-苯乙醇和乙醛等，可以通过功能机制调节花蜜化学和传粉者的行为。总体而言，蜜蜂通过与植物和微生物群的相互作用，在维持生态系统中发挥着不可或缺的作用。蜜蜂微生物组工程和微生物生物控制策略是改善蜜蜂健康和保护传粉机制的可持续途径。本文讨论了蜜蜂、植物和微生物之间的复杂关系，强调了理解这些动态对可持续发展的重要性，以及使用蜜蜂作为微生物载体的伦理考虑。因此，蜜蜂对自然生态保护的可持续发展做出了贡献。

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引用次数: 0

Body size- and water homeostasis-dependent temperature stress tolerance and transcriptional changes in red fire ant workers 红火蚁工蚁体型和水分稳态依赖的温度胁迫耐受性和转录变化

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-17 DOI: 10.1016/j.aspen.2025.102518

Wei Gao , Rui Peng , Jian-min Yang , Jian-lin Lu , Hong-yun Cao , Ying-huan Li , Chun Li , Wen Fu , Jin Xu

The physiological processes that link body size to environmental temperature and humidity is vital for understanding the evolutionary significance of insect adaptation strategies and mechanisms. In this study, we demonstrated that both cold and heat stresses significantly affected the survival of Solenopsis invicta workers, with smaller worker ants showing higher mortality than larger ones. Workers who were provided with water or sucrose solution exhibited significantly higher survival under temperature stress than controls. Further measurements showed that smaller workers usually had a higher water loss rate than larger ones, especially under desiccation conditions. Body size- and temperature-specific transcriptional changes were found, where smaller workers had more differentially expressed genes (DEGs) than larger ones, suggesting that smaller workers are likely to incur greater temperature stresses. The most prominent changes were the remarkable upregulation of Hsps related genes in heat stressed workers, whereas their changes in cold stressed workers were not significant. Both cold and heat stresses induced significantly changes in small molecule protectants, antioxidants, cuticle and excretory related DEGs and pathways. Further, a Vasopressin-regulated water reabsorption pathway was enriched in both cold and heat stressed workers. Further analysis revealed 22 water balance related DEGs, such as neurophysin, capa receptor, and diuretic hormone. These results indicate that water homeostasis is crucial for the survival of ants under extreme hot and cold conditions.

研究昆虫体型与环境温度和湿度之间的生理过程，对于理解昆虫适应策略和机制的进化意义至关重要。在这项研究中，我们证明了冷应激和热应激都显著影响了无头螺梭工蚁的生存，小工蚁的死亡率高于大工蚁。提供水或蔗糖溶液的工人在温度胁迫下的存活率明显高于对照组。进一步的测量表明，体型较小的工人通常比体型较大的工人失水率更高，特别是在干燥条件下。研究发现，体型较小的工蜂比体型较大的工蜂有更多的差异表达基因（deg），这表明体型较小的工蜂可能会承受更大的温度压力。热应激工人的热休克蛋白相关基因表达显著上调，而冷应激工人的热休克蛋白相关基因表达变化不显著。冷应激和热应激均引起小分子保护剂、抗氧化剂、角质层和排泄相关deg和途径的显著变化。此外，抗利尿激素调节的水重吸收途径在冷应激和热应激工人中都丰富。进一步分析发现22种与水平衡相关的deg，如神经生理素、capa受体和利尿激素。这些结果表明，水分平衡对于蚂蚁在极端炎热和寒冷条件下的生存至关重要。

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引用次数: 0

Efficacy of a tebuconazole-copper-boron formulation against termites and wood borers in Ailanthus excelsa and Mangifera indica 苯丙唑-铜硼复合制剂对臭椿和芒果白蚁和木蛀虫的防治效果

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-15 DOI: 10.1016/j.aspen.2025.102513

Jyoti Papola , Rashmi Ramesh Shanbhag , R. Sundararaj , Anil Kumar Sethy , Rakesh Kumar

This study investigates the efficacy of a novel wood preservative combining the organic fungicide tebuconazole with the inorganic salts copper sulphate, boric acid and amine oxide against termites and wood borers. While tebuconazole is mainly used to control fungal growth, its potential to protect wood from insect damage was examined. Copper sulphate and boric acid, known for insecticidal properties, were added to enhance resistance, while amine oxide served as a surfactant to improve treatment penetration. Formulations with these components were tested on two hardwood species, Ailanthus excelsa and Mangifera indica, to assess resistance against termites and wood borers. This specific combination and species have not been studied previously. The control samples exhibited over 50 % weight loss due to termite attack, while treated samples showed less than 10 % loss. The number of exit holes in control specimens averaged 36.02 ± 5.85 % for A. excelsa and 29.60 ± 2.02 % for M. indica, compared to only 5.27 ± 1.24 % and 7.36 ± 0.81 % in treated samples. Results highlight the potential of this formulation as an effective wood preservative.

本文研究了有机杀菌剂戊康唑与无机盐硫酸铜、硼酸和氧化胺复合的新型木材防腐剂对白蚁和木蛀虫的防治效果。虽然戊康唑主要用于控制真菌生长，但研究了其保护木材免受昆虫损害的潜力。添加具有杀虫特性的硫酸铜和硼酸以增强抗性，而氧化胺作为表面活性剂以提高处理渗透性。以大Ailanthus excelsa和芒果（Mangifera indica）两种硬木为试验对象，研究了其对白蚁和木蛀虫的抗性。这种特定的组合和物种以前没有被研究过。由于白蚁的攻击，对照样品的体重损失超过50%，而处理样品的体重损失不到10%。正常对照和籼稻的出口孔数分别为36.02±5.85%和29.60±2.02%，而处理组分别为5.27±1.24%和7.36±0.81%。结果突出了该配方作为有效木材防腐剂的潜力。

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引用次数: 0

RNA interference with the selenoprotein M gene inhibits the growth promoting effect by selenium supplementation to silkworm Bombyx mori 硒蛋白M基因的RNA干扰抑制了硒对家蚕生长的促进作用

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-13 DOI: 10.1016/j.aspen.2025.102514

Run-Hui Ma , Wen-Jie Ge , Fei Hu , Ting-Ting Hong , Kiran Thakur , Shun-Ming Tang , Zhao-Jun. Wei

Moderate selenium (Se) supplementation has been shown to promote silkworm growth; however, its metabolic pathway in insects remains poorly understood. In organisms, Se is primarily incorporated as selenocysteine into selenoproteins, including selenoprotein M (SelM), a thioredoxin fold oxidoreductase highly expressed in brain tissue that modulates cellular redox homeostasis and confers neuroprotection. Herein, we predicted the physicochemical and structural features of the silkworm SelM. Gene-specific siRNAs were then micro-injected into silkworms fed with sodium selenite (Na₂SeO₃) (50 μM). SelM disruption reduced body mass, cocoon weight, cocoon shell weight and shell rate of silkworms, whereas egg production and egg laying mostly remained unchanged. Moreover, sodium selenite (Na₂SeO₃) (50 μM) supplementation alone significantly improved growth factors of silkworms, without any obvious effect on egg production and laying. RT-qPCR revealed lowest SelM transcript levels at 24 h post injection, followed by a gradual recovery; among the three siRNAs tested, SelM-244 had the strongest interfering effect. These data demonstrate that SelM is an indispensable component of Se metabolism in silkworms, coupling Se status to silk protein synthesis and larval growth. Targeted knockdown of SelM provides a tractable platform for dissecting Se metabolism in insects and for designing Se-biofortified sericulture.

适量补充硒（Se）已被证明可以促进家蚕的生长；然而，其在昆虫中的代谢途径仍然知之甚少。在生物体中，硒主要作为硒半胱氨酸结合到硒蛋白中，包括硒蛋白M (SelM)，硒蛋白M是一种在脑组织中高度表达的硫氧还蛋白折叠氧化还原酶，调节细胞氧化还原稳态并赋予神经保护作用。在此，我们预测了蚕SelM的物理化学和结构特征。然后将基因特异性sirna微注射到亚硒酸钠（Na2SeO3）（50 μM）喂养的家蚕体内。SelM干扰降低了家蚕体质量、茧重、茧壳重和出壳率，而产蛋量和产蛋量基本保持不变。此外，单独添加亚硒酸钠（Na2SeO3）（50 μM）可显著提高家蚕的生长因子，对产蛋量和产蛋量无明显影响。RT-qPCR显示，注射后24小时SelM转录物水平最低，随后逐渐恢复；其中，SelM-244的干扰作用最强。这些数据表明，SelM是家蚕硒代谢不可或缺的组成部分，将硒状态与蚕丝蛋白合成和幼虫生长联系起来。SelM基因的靶向敲除为研究昆虫硒代谢和设计硒生物强化蚕桑提供了一个可操作的平台。

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引用次数: 0

A new mayfly species of Crephlebia Chen & Zheng (Ephemeroptera: Leptophlebiidae) from mid-Cretaceous Kachin amber 中白垩世克钦琥珀中的一新种（蜉蝣目：细蝇科）

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-11 DOI: 10.1016/j.aspen.2025.102512

Meiru Wu , Diying Huang , Chenyang Cai

Leptophlebiidae, a diverse family of Ephemeroptera with a worldwide distribution, plays an important role in freshwater ecosystems. However, Leptophlebiids are only sparsely represented in the fossil record of mid-Cretaceous Kachin amber, limiting our understanding of its evolutionary history. Here, we describe a new species of Leptophlebiidae, Crephlebia kachinense sp. nov., based on a male imago preserved in mid-Cretaceous Kachin amber from northern Myanmar, thereby contributing to knowledge of the diversity of this extinct genus. The new species differs from Crephlebia zhoui Chen & Zheng, 2024 in its wing venation, characterized by the absence of free intercalary veins and more crossveins, as well as in the morphology of the penis. This discovery reveals a higher palaeodiversity of Leptophlebiidae during the Cretaceous period, particularly in the fossil resins of Myanmar.

urn:lsid:zoobank.org:pub:29F182B6-768B-42B9-AE82-D33DB7A830F6.

薄蝇科是蜉蝣目中分布广泛的一个科，在淡水生态系统中起着重要的作用。然而，在中白垩世克钦琥珀的化石记录中，leppholebiids仅占少数，限制了我们对其进化史的了解。在此，我们根据缅甸北部克钦琥珀中保存的一具雄性图像描述了一种新的lepphlebiidae， Crephlebia kachinense sp. nov.，从而有助于了解这一灭绝属的多样性。新种与Crephlebia zhou Chen &； Zheng， 2024在翅脉上不同，其特征是没有自由的蝶间静脉和更多的交叉静脉，并且阴茎的形态也不同。这一发现揭示了白垩纪时期lepphlebiidae的古多样性，特别是在缅甸的化石树脂中。www.lsid:zoobank.org:pub:29F182B6-768B-42B9-AE82-D33DB7A830F6。

引用次数: 0

Proximate composition, mineral profile, and nutritional lipid indices of drone and worker brood of honeybee (Apis mellifera Linnaeus, 1758) 雄蜂和工蜂幼蜂的近似组成、矿物特征和营养脂质指数（Apis mellifera Linnaeus, 1758）

IF 1.3 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-12-01 DOI: 10.1016/j.aspen.2025.102510

Daniel García-López , Yolanda Moguel-Ordoñez , Yasser Chim-Chi , Luis Chel-Guerrero , David Betancur-Ancona

Insects have attracted worldwide interest as a future food source due to their high nutritional value, their ability to be farmed with limited resources, and their reduced environmental impact. The honeybee (A. mellifera) is considered one of the most important and beneficial insects. The aim of this study was to investigate the prospects for honeybee brood, larvae, and early and late pupae of drones and workers as new standards for human nutrition, determining their proximate composition, mineral content, and lipid nutritional indices. The findings revealed that honeybee brood exhibited high protein and fat contents, with workers and drones’ late pupae standing out with protein levels of 44 %, while early pupae had the highest lipid levels, with 22 % for drones and 23 % for workers. Potassium and iron were the predominant minerals in both drone and worker samples. Lipid analysis revealed a high proportion of palmitic, oleic, and linolenic acids, particularly in workers, with the late pupa stage in both castes presenting the highest nutritional lipid indices. These results emphasize the nutritional potential of bee brood, especially late pupae, as a functional ingredient in food, rich in protein and fat, and possessing a lipid profile favorable to human health.

昆虫作为一种未来的食物来源，由于其高营养价值，能够在有限的资源下进行养殖，并且对环境的影响较小，因此引起了全世界的兴趣。蜜蜂（A. mellifera）被认为是最重要和有益的昆虫之一。本研究的目的是探讨蜜蜂的幼蜂、幼虫、雄蜂和工蜂的早、晚蛹作为人类营养的新标准的前景，确定它们的近似组成、矿物质含量和脂质营养指标。研究结果显示，蜜蜂幼虫的蛋白质和脂肪含量很高，工蜂和雄蜂的后期蛹的蛋白质含量为44%，而早期蛹的脂肪含量最高，雄蜂和工蜂的脂肪含量分别为22%和23%。钾和铁是雄蜂和工人样品中的主要矿物。脂质分析显示棕榈酸、油酸和亚麻酸的比例很高，特别是在工蜂中，两种种姓的蛹后期营养脂质指数最高。这些结果强调了蜜蜂幼虫，特别是后期蛹的营养潜力，作为食物中的功能成分，富含蛋白质和脂肪，并具有有利于人体健康的脂质特征。

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