Journal of Asia-pacific Entomology最新文献_第10页

A systematic review of the East Asian Vidalia Robineau-Desvoidy (Diptera: Tephritidae: Trypetini: Trypetina), with recognition of a new species 东亚褐飞虱属系统综述（双翅目：绢翅虫科：绢翅虫科：绢翅虫科）并发现一新种

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-27 DOI: 10.1016/j.aspen.2025.102436

Ho-Yeon Han, Kyung-Eui Ro

The East Asian species of the horn-headed tephritid genus Vidalia are systematically reviewed, including V. armifrons (Portschinsky, 1892), V. itoi Han and Ro, sp. nov., and V. satae Ito, 1984. A key, diagnoses, descriptions, photographs of morphological structures (including genitalia), and a 16S rDNA phylogram of 18 genera and 26 species within the tribe Trypetini are provided. The species status of V. armifrons has previously been unclear. However, we were able to distinguish the light-colored V. itoi, sp. nov., from the dark-colored V. armifrons based on the specimens collected from northern South Korea. In addition to differences in coloration, the female aculei exhibit significant interspecific variation. Nevertheless, the two species are indistinguishable based on 16S rDNA sequences, supporting their status as sister species. The dark-colored V. armifrons appears to be distributed in more northern regions (East Siberia, northern China, and Korea), whereas V. itoi has a more southern distribution, extending as far as Japan. Both species coexist in Korea and presumably also in China and Russia, but only V. itoi is found in Japan. Minor differences in flight periods may exist between the two species, likely due to their use of different host plants in northern South Korea. Based on expanded sampling of V. satae, this species is hereby resurrected from synonymy with V. accola (Hardy, 1973) due to significant differences in wing pattern. Furthermore, our 16S rDNA phylogram supports a previously proposed morphological phylogenetic hypothesis: multiple independent, convergent evolutions of male head ornamentation have occurred within the tribe Trypetini, likely driven by intense selection pressure arising from aggressive male butting behavior.

本文系统评述了东亚角头绦虫属的种类，包括V. armifrons （Portschinsky, 1892）、V. itoi Han and Ro, sp. nov.和V. satae Ito, 1984。本文提供了tripetini部落内18属26种的检索、诊断、描述、形态结构（包括生殖器）照片和16S rDNA系统图。弓形虫的物种地位以前一直不清楚。然而，根据在韩国北部采集的标本，我们能够区分浅色的V. itoi, sp. nov.和深色的V. armifrons。除了颜色的差异外，雌性针眼还表现出明显的种间变异。然而，基于16S rDNA序列，这两个物种无法区分，支持它们作为姐妹物种的地位。深色的V. armifrons似乎分布在更北部的地区（东西伯利亚，中国北部和朝鲜），而V. itoi则分布在更南部的地区，一直延伸到日本。这两个物种共存于韩国，可能也在中国和俄罗斯，但只有V. itoi在日本被发现。两个物种之间的飞行周期可能存在微小差异，可能是由于它们在韩国北部使用不同的寄主植物。基于扩大取样的V. satae，该物种从V. accola （Hardy, 1973）的同义词中复活（由于翅膀图案的显著差异）。此外，我们的16S rDNA系统图谱支持了先前提出的形态学系统发育假说：在Trypetini部落中，男性头部纹饰发生了多次独立的、趋同的进化，这可能是由攻击性雄性碰撞行为引起的强烈选择压力所驱动的。

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引用次数: 0

Review of subfamily Cryptarchinae Thomson, 1859 (Coleoptera: Nitidulidae) in Korea (Part II: Genus Cryptarcha Shuckard, 1839) 韩国隐蝽亚科Thomson， 1859（鞘翅目：隐蝽科）述评（第二部分：隐蝽属，1839）

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-27 DOI: 10.1016/j.aspen.2025.102437

Min Hyeuk Lee , Seunghyun Lee , Jinbae Seung , Seunghwan Lee

This study presents a partial revision of the subfamily Cryptarchinae Thomson, 1859 in Korea. In this second part of our revision, we focus on the genus Cryptarcha Shuckard, 1839. One new species, Cryptarcha octopunctatus sp. nov., is described, and two additional species, C. kapfereri Reitter, 1913 and C. inhalita Reitter, 1884, are reported for the first time in Korea. Diagnostic descriptions, photographs of external morphology and genital structures, biological information, and a key to Korean Cryptarcha are provided. Additionally, we present the first description of the larval stage of C. lewisi Reitter. Furthermore, we sequenced the complete mitochondrial genome of C. lewisi, which spans 16,745 bp and includes the typical set of 13 protein-coding genes, 2 rRNA genes, 21 putative tRNA genes, and a control region.

本文对韩国隐藻亚科Thomson， 1859进行了部分修正。在修订的第二部分中，我们重点讨论了1839年的cryptotarcha Shuckard属。报道了一新种Cryptarcha octopunctatus sp. nov.，另外两种为国内首次报道的C. kapfereri Reitter（1913）和C. inhalita Reitter（1884）。诊断描述，照片的外部形态和生殖器结构，生物信息，并提供了一个关键的韩国隐查。此外，我们提出了c.l wisi Reitter的幼虫阶段的第一个描述。此外，我们还测序了c.l wisi线粒体全基因组，全长16,745 bp，包括13个典型的蛋白质编码基因，2个rRNA基因，21个推测的tRNA基因和一个控制区。

引用次数: 0

Identification of candidate genes engaged in the sex-determination cascade in Eupolyphaga sinensis walker 中华白桦性别决定级联候选基因的鉴定

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-24 DOI: 10.1016/j.aspen.2025.102434

Rui Zhu, Fei Yang, Tielong Xu

Eupolyphaga sinensis is a sexually dimorphic and an important medicinal insect in the East Asian traditional medicine. To deeply comprehend the sex-determination process underlying Eupolyphaga sinensis, this study conducted a large-scale transcriptomic analysis of its sex-determination genes. In total, 79,705 unigenes were derived via transcriptome sequencing, assembly, and annotation, and they had 836.30 bp and an N50 of 1422 bp. Putative sex-determination genes in E. sinensis, including doublesex (dsx), transformer-2, intersex, and fruitless, which are key ones often engaged in arthropod sex determination, were identified and characterized. For E. sinensis, a comparative network of protein–protein interactions for the sex-determination cascade was developed, using the network from the model insect Drosophila melanogaster as a reference. This research results offer a framework for determining target genes and comprehending the regulation of the sex-determination cascade in E. sinensis.

中华巨噬虫是一种两性异形昆虫，是东亚传统医学中重要的药用昆虫。为了深入了解中华多食蝗的性别决定过程，本研究对其性别决定基因进行了大规模的转录组学分析。通过转录组测序、组装和注释，共获得79,705个单基因，长度为836.30 bp， N50为1422 bp。对中华按蚊性别决定基因进行了鉴定和表征，包括双性（dsx）、转换-2、双性（intersex）和无果性（fruitless）等，它们是节肢动物性别决定的关键基因。以中华按蚊为研究对象，以黑腹果蝇（Drosophila melanogaster）的网络为参照，建立了一个蛋白质-蛋白质相互作用的性别决定级联比较网络。本研究结果为确定中华按蚊性别决定级联的靶基因和理解其调控机制提供了一个框架。

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引用次数: 0

In silico molecular docking analysis on acetylcholinesterase (AChE) inhibition activity on Aedes aegypti and Culex quinquefasciatus by β-isocostic acid β-异戊二酸对埃及伊蚊和致倦库蚊乙酰胆碱酯酶抑制活性的硅分子对接分析

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-16 DOI: 10.1016/j.aspen.2025.102433

Alex Yagoo , M.C. John Milton , Jelin Vilvest , Antony Stalin

The increasing prevalence of mosquito-borne diseases poses serious public health and economic threats, further exacerbated by the emergence of insecticide resistance in mosquito populations. Although conventional insecticides are effective, they contribute to environmental degradation and resistance development. This study investigates the insecticidal potential of β-isocostic acid, a plant-derived compound that targets acetylcholinesterase (AChE) to disrupt neurotransmission in Aedes aegypti and Culex quinquefasciatus, two major mosquito vectors. Molecular docking was employed to evaluate and compare the AChE binding affinity and interaction patterns of β-isocostic acid with that of the standard insecticide temephos. Ligand structures were retrieved from PubChem and optimized using ChemDraw and the PRODRG server. Homology models of AChE1 for Ae. aegypti and Cx. quinquefasciatus were constructed based on the crystal structure of an Anopheles gambiae AChE mutant. Docking simulations were performed using AutoDock Tools with a grid-based approach and the Lamarckian Genetic Algorithm. β-Isocostic acid demonstrated strong binding affinity to AChE1 in both species, with binding energies of –8.2 kcal/mol for Ae. aegypti and –8.5 kcal/mol for Cx. quinquefasciatus, values comparable to those of temephos (–8.7 kcal/mol and –9.1 kcal/mol, respectively). These findings suggest that β-isocostic acid may serve as an eco-friendly insecticidal candidate, inhibiting AChE and impairing mosquito function. Given its promising binding profile, β-isocostic acid has potential as a sustainable alternative for mosquito control. Further in vivo studies are warranted to validate its efficacy and safety.

蚊媒疾病日益流行，对公共卫生和经济构成严重威胁，蚊子种群出现杀虫剂抗药性进一步加剧了这一威胁。虽然传统杀虫剂是有效的，但它们有助于环境退化和耐药性的发展。本研究研究了β-异戊酸的杀虫潜力。β-异戊酸是一种植物源化合物，可靶向乙酰胆碱酯酶（AChE），破坏埃及伊蚊和致倦库蚊两种主要蚊媒的神经传递。采用分子对接的方法对β-异戊二酸与双硫磷的AChE结合亲和力和相互作用模式进行评价和比较。从PubChem中检索配体结构，并使用ChemDraw和PRODRG服务器进行优化。Ae. AChE1的同源性模型。埃及伊蚊和Cx。基于冈比亚按蚊AChE突变体的晶体结构构建了致倦库蚊。对接仿真使用AutoDock工具，采用基于网格的方法和拉马克遗传算法进行。在这两个物种中，β-异戊酸均与AChE1具有较强的结合亲和力，Ae的结合能为-8.2 kcal/mol。而Cx为-8.5 kcal/mol。致倦蚊，值与双硫磷相当（分别为-8.7千卡/mol和-9.1千卡/mol）。这些发现表明β-异戊酸可能是一种生态友好的候选杀虫物质，可以抑制乙酰胆碱酯酶并损害蚊子的功能。鉴于其良好的结合特性，β-异戊二酸有潜力成为可持续的蚊虫控制替代品。需要进一步的体内研究来验证其有效性和安全性。

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引用次数: 0

Community shift of aquatic insects following waste-water treatment implementation at Dongda Creek, Taichung City, Taiwan 台中市东大溪污水处理后水生昆虫群落变化

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-15 DOI: 10.1016/j.aspen.2025.102432

Lilibeth A. Bucol , Ching-Chen Lee , Lan-Wai Yeh , Li-Wei Wu , Jyh-Min Chiang

Urbanization and industrialization have severely degraded Taiwan’s freshwater ecosystems, including Dongda Creek in Taichung City, which received 10,000 tons of wastewater daily. To address this, a wastewater treatment plant (WWTP) was constructed by Tunghai University and the Taichung City Government, and its ecological impact was assessed through water quality and aquatic insect diversity monitoring before (2019–2020) and after implementation (2021–2023). Water quality measurements included temperature, pH, nutrients, and dissolved oxygen, while aquatic insect communities were analyzed using diversity indices and multivariate techniques. Results revealed significant water quality improvements, including reduced fat content and total nitrogen levels, although nitrate concentrations increased. The dominance of pollution-tolerant Chironomidae declined post-WWTP, while sensitive taxa such as Baetidae, Hydrophilidae, and Libellulidae emerged, accompanied by significant increases in diversity indices (taxa richness, Shannon, and Simpson). Seasonal patterns in insect diversity became more pronounced after the WWTP became operational. Environmental variables such as pH, temperature, and biochemical oxygen demand significantly influenced insect distributions, with Chironomidae thriving under poor conditions and sensitive taxa increasing as water quality improved. This study demonstrates that WWTP implementation can enhance water quality and foster ecological recovery, as evidenced by the recolonization of sensitive aquatic insect taxa and increased diversity. These findings highlight the effectiveness of restoration projects like WWTPs in improving ecosystem health and underscore the importance of ecological monitoring in freshwater management and conservation. Dongda Creek serves as a valuable case study for guiding urban river restroration efforts in similar contexts.

城市化和工业化已经严重破坏了台湾的淡水生态系统，包括台中市的东大溪，每天接收1万吨废水。为解决这一问题，东海大学与台中市政府合作建设污水处理厂，并通过实施前（2019-2020年）和实施后（2021-2023年）的水质和水生昆虫多样性监测来评估其生态影响。水质测量包括温度、pH、养分和溶解氧，水生昆虫群落采用多样性指数和多变量技术进行分析。结果显示，水质显著改善，包括脂肪含量和总氮水平降低，尽管硝酸盐浓度增加。污水处理后，耐污染Chironomidae的优势地位下降，而Baetidae、Hydrophilidae和Libellulidae等敏感分类群出现，多样性指数（分类群丰富度、Shannon和Simpson）显著增加。在污水处理厂投入使用后，昆虫多样性的季节性模式变得更加明显。pH、温度和生化需氧量等环境变量对昆虫分布有显著影响，在恶劣条件下手摇蝇科数量增多，随着水质的改善，敏感类群数量增加。该研究表明，实施污水排放计划可以改善水质，促进生态恢复，如敏感水生昆虫类群的重新定殖和多样性的增加。这些发现强调了像污水处理厂这样的恢复项目在改善生态系统健康方面的有效性，并强调了生态监测在淡水管理和保护中的重要性。东大溪为指导类似背景下的城市河流修复工作提供了有价值的案例研究。

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引用次数: 0

Hyperthermia-induced transcriptome remodeling impairs embryo viability in Bombyx mori 高温诱导的转录组重塑损害家蚕胚胎的生存能力

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-12 DOI: 10.1016/j.aspen.2025.102431

Ying Li , Zhenbo Sun , Xinlei Liu , Qiong Yang , Yang Xiao , Qingrong Li , Weilong Zhang , Jianping Duan , Dongxu Xing

Acid treatment at an appropriate temperature can simultaneously prevent egg diapause and microsporidian transmission in sericulture. However, the transcriptional features associated with excessive thermal stress in the eggs of Bombyx mori remain unclear, which limits further studies on this dual-purpose treatment. Here, we comparatively analyzed the effects of two temperatures and proposed that 47.5°C (T1) and 48.5°C (T2) represent threshold and extreme temperatures for diapause termination, respectively. Furthermore, the full-length (FL) transcriptome was used to produce 49,444 high-confidence transcripts, including 1,571 long non-coding RNAs (lncRNAs). Comprehensive transcriptome analysis showed that 274 downregulated and 255 upregulated genes were identified in the T2 treatment relative to the T1 counterpart, including 82 differentially expressed transcription factor genes. Noticeably, 23 downregulated Homeobox genes and 5 upregulated bHLH genes were detected. Six lncRNAs were differentially expressed between the T2 and T1 treatments. Functional enrichment analysis showed that the downregulated genes were significantly enriched in gene expression regulation and carbohydrate and important amino acid metabolism. However, upregulated genes were mainly involved in the pathways closely related to heat shock proteins (HSPs), indicating their conserved functions in stress responses and molecular chaperones. This study provides comprehensive insights on the genes expressed in B. mori eggs exposed to extreme thermal stress and provides a valuable resource for in-depth investigations of the response of embryos to excessive thermal stress and the balance between effective pathogen control and maintenance of embryo viability in silkworm.

适当温度下的酸处理可以同时防止蚕卵滞育和微孢子虫的传播。然而，家蚕卵中与过度热应激相关的转录特征尚不清楚，这限制了对这种双重目的处理的进一步研究。本文对比分析了两种温度对滞育终止的影响，提出47.5°C （T1）和48.5°C （T2）分别代表滞育终止的阈值和极端温度。此外，全长（FL）转录组被用于产生49,444个高置信度转录本，包括1,571个长链非编码rna （lncRNAs）。综合转录组分析显示，相对于T1处理，T2处理中有274个基因下调，255个基因上调，其中转录因子差异表达基因82个。值得注意的是，有23个Homeobox基因下调，5个bHLH基因上调。6个lncrna在T2和T1处理之间存在差异表达。功能富集分析表明，下调基因在基因表达调控和碳水化合物及重要氨基酸代谢方面显著富集。然而，上调的基因主要参与与热休克蛋白（HSPs）密切相关的通路，表明其在应激反应和分子伴侣中的保守功能。本研究全面揭示了极端热胁迫下家蚕卵的基因表达，为深入研究家蚕胚胎对过度热胁迫的反应以及有效控制病原菌与维持胚胎活力之间的平衡提供了宝贵的资源。

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引用次数: 0

Botanical pesticides as sustainable alternatives for managing lychee fruit borer (Conopomorpha sinensis): Balancing pest control and biodiversity Conservation 植物性农药作为管理荔枝果螟的可持续替代品：害虫控制与生物多样性保护的平衡

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-06 DOI: 10.1016/j.aspen.2025.102430

Tianhang Zuo, Fujing Zheng, Luoluo Wang, Jidong Xian

Conopomorpha sinensis Bradley (Lepidoptera: Gracillariidae), commonly known as the lychee fruit borer, is a major pest that severely impacts lychee production, causing significant fruit damage and economic losses. Although chemical pesticides, such as beta-cypermethrin, are effective in controlling this pest, their extensive application raises critical issues, including environmental pollution, pest resistance, and a decline in biodiversity within orchard ecosystems. This study evaluated botanical pesticides as sustainable alternatives to chemical controls. Field trials showed that the combined application of rotenone and azadirachtin provided the highest efficacy—exceeding 80% at multiple time points—and significantly reduced fruit infestation compared to beta-cypermethrin. Furthermore, eco-friendly pest management strategies involving botanical pesticides enhanced arthropod biodiversity, supported natural enemies, and contributed to effective pest regulation, thereby fostering a more balanced and resilient agroecosystem. These findings underscore the benefits of adopting botanical pesticides as a sustainable pest management strategy, offering effective control of C. sinensis while preserving ecological health. This approach provides a promising pathway toward sustainable and environmentally responsible lychee production.

荔枝果螟（Conopomorpha sinensis Bradley，鳞翅目：细蛾科）俗称荔枝果螟，是严重影响荔枝生产的主要害虫，造成重大的果实损害和经济损失。虽然化学农药，如高效氯氰菊酯，在控制这种害虫方面是有效的，但它们的广泛使用带来了严重的问题，包括环境污染、害虫抗性和果园生态系统生物多样性的下降。本研究评价了植物性农药作为化学控制的可持续替代品。田间试验结果表明，鱼藤酮与印楝素联用的防治效果最高，在多个时间点的防治效果均超过80%，且与高效氯氰菊酯相比显著降低了果实侵染率。此外，包括植物性农药在内的生态友好型有害生物管理策略增强了节肢动物的生物多样性，支持了天敌，并有助于有效地控制有害生物，从而促进了更加平衡和有弹性的农业生态系统。这些研究结果强调了植物性农药作为一种可持续的害虫管理策略的好处，即在保护生态健康的同时有效地控制中华绿僵虱。这种方法为可持续和对环境负责的荔枝生产提供了一条有希望的途径。

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引用次数: 0

Exploring housefly (Diptera: Muscidae) larvae as a sustainable source of oil: A potential non-edible feedstock high in unsaturated fatty acids 探索家蝇（双翅目：蝇科）幼虫作为一种可持续的油源：一种富含不饱和脂肪酸的潜在的不可食用原料

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-06-04 DOI: 10.1016/j.aspen.2025.102429

Cristina Jansen-Alves , Daisa Hakbart Bonemann , Tamara Mendes Leite Silva Trindade , Bruna da Fonseca Antunes , Catarine Peter Belletti , Rosinei Silva Santos , Nathalia Stark Pedra , Jean Pierre Oses , Rafael da Silva Gonçalves , Sandro Daniel Nörnberg , Roselia Maria Spanevello , Elessandra da Rosa Zavareze , Claudio Martin Pereira de Pereira

In the quest for innovative alternatives for metabolizable energy, the focus has shifted to the biomass of insect larvae. This study aimed to extract oil from the larval biomass of the housefly (Musca domestica L. 1758, Diptera: Muscidae) and to analyze the oil yield, fatty acid profile, quality indices, infrared spectra, metal concentrations, antioxidant activity, and cytotoxicity using a mouse fibroblast cell line (L929). The results demonstrated that the oil yield extracted from housefly larvae biomass was 26.3 %. The fatty acid profile revealed a high content of monounsaturated fatty acids (50.6 %), polyunsaturated fatty acids (43.9 %), and saturated fatty acids (5.5 %), with oleic acid and linoleic acid as the predominant components. The peroxide index, acidity, and saponification value were measured at 4.30 meq/Kg, 0.021 mg KOH/g, and 0.65 mg KOH/g, respectively, indicating excellent oil quality. Infrared analysis revealed similar functional groups in both the larval biomass and the extracted oil; however, the O–H and C-O functional groups were absent in the oil. The housefly larvae biomass contained essential minerals, including Cu, Fe, K, Na, and Zn. The extracted oil showed low concentrations of potentially toxic elements such as Cr and Ni. Importantly, housefly oil exhibited no cytotoxic effects on healthy cells while reducing reactive oxygen species (ROS) levels and enhancing the activities of superoxide dismutase (SOD) and catalase (CAT) enzymes, highlighting its significant antioxidant potential. Given their chemical compositions, both the housefly larval biomass and oil show promise for applications in human and animal nutrition.

在寻找可代谢能量的创新替代品的过程中，焦点已经转移到昆虫幼虫的生物量上。本研究以家蝇（Musca domestica L. 1758，双翅目：蝇科）幼虫生物量为原料，利用小鼠成纤维细胞系（L929）对其油脂的产率、脂肪酸谱、品质指标、红外光谱、金属浓度、抗氧化活性和细胞毒性进行了分析。结果表明，家蝇幼虫生物量的油脂提取率为26.3%。脂肪酸谱显示单不饱和脂肪酸（50.6%）、多不饱和脂肪酸（43.9%）和饱和脂肪酸（5.5%）含量高，主要成分为油酸和亚油酸。过氧化指数为4.30 meq/Kg，酸度为0.021 mg KOH/g，皂化值为0.65 mg KOH/g，表明油品品质优良。红外分析表明，幼虫生物量和提取油的官能团相似；油中不存在O-H和C-O官能团。家蝇幼虫生物量中含有Cu、Fe、K、Na和Zn等必需矿物质。提取的油显示出低浓度的潜在有毒元素，如铬和镍。重要的是，家蝇油对健康细胞没有细胞毒性作用，但可以降低活性氧（ROS）水平，提高超氧化物歧化酶（SOD）和过氧化氢酶（CAT）酶的活性，表明其具有显著的抗氧化潜力。鉴于其化学成分，家蝇幼虫生物量和油脂在人类和动物营养方面都有应用前景。

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引用次数: 0

Elucidating insect-virus associations in black pepper: Mealybug and tending ant influences on viral incidence in East Malaysia, Borneo 阐明黑胡椒中昆虫-病毒的关联：粉蚧和趋向蚁对婆罗洲东马来西亚病毒发病率的影响

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-05-23 DOI: 10.1016/j.aspen.2025.102426

Marthiuz Ghany Buang , Ameyra Aman-Zuki , Nur Azura Adam , Dewi Sartiami , Patricia Jie Hung King , Salmah Yaakop , Muhamad Azmi Mohammed

Piper nigrum, a key agricultural commodity in Sarawak, East Malaysia, is highly susceptible to the Piper yellow mottle virus (PYMoV), a badnavirus transmitted by mealybugs. This study aimed to identify the mealybug and tending ant species associated with black pepper plantations in Sarawak and assess the presence of PYMoV in mealybugs. Insects were collected from four divisions namely Kuching, Sibu, Bintulu, and Miri between 2020 and 2022. Species identification was performed using morphological and DNA barcoding techniques, while molecular methods were employed to detect PYMoV. Seven mealybug species were identified: Planococcus minor, Ferrisia virgata, Dysmicoccus lepelleyi, Planococcus sp., Pseudococcus sp., Phenacoccus sp., and Exallomochlus sp., with percentage identity ranging from 94.05 % to 100 %. Additionally, 14 tending ant species were identified, including Tapinoma indicum, Meranoplus bicolor, Anoplolepis gracilipes, Pheidole sauteri, Iridomyrmex anceps, Tetramorium cognatum, Crematogaster rogenhoferi, Camponotus sp., Dolichoderus sp., Leptogenys sp., and four distinct Crematogaster species, with accuracies between 85.29 % and 100 %. PYMoV was detected in 6.58 % of the mealybugs, with P. minor and Phenacoccus sp. identified as hosts, the latter being a novel discovery. No significant association was found between specific mealybug species and PYMoV prevalence (p = 0.99), suggesting that other factors may influence viral transmission. However, a strong positive correlation (r = 1.00, p < 0.05) was observed between ant presence and mealybug infestation, indicating that ants may facilitate mealybug dispersal. These findings highlight the necessity for continuous surveillance of mealybugs and tending ants to mitigate the spread of PYMoV and protect black pepper cultivation in Sarawak.

Piper nigrum是东马来西亚沙捞越的重要农产品，对Piper yellow mottle virus （PYMoV）高度敏感，PYMoV是一种由粉蚧传播的有害病毒。本研究旨在鉴定砂拉越黑胡椒种植相关的粉蚧和抚育蚁种类，并评估PYMoV在粉蚧中的存在。在2020年至2022年期间，在古晋、西巫、民都鲁和美里四个地区收集了昆虫。物种鉴定采用形态学和DNA条形码技术，PYMoV检测采用分子方法。鉴定出7种粉蚧，分别为：minor Planococcus、Ferrisia virgata、Dysmicoccus lepelleyi、Planococcus sp.、Pseudococcus sp.、Phenacoccus sp.和Exallomochlus sp.，鉴定率为94.05% ~ 100%。此外，鉴定出14种照看蚁，包括Tapinoma indicum、Meranoplus bicolor、Anoplolepis gracilipes、Pheidole sauteri、Iridomyrmex anceps、Tetramorium cognatum、Crematogaster rogenhoferi、Camponotus sp、Dolichoderus sp、Leptogenys sp和4种不同的Crematogaster，准确率在85.29% ~ 100%之间。PYMoV在6.58%的粉蚧中检出，其中以P. minor和Phenacoccus sp.为宿主，后者是新发现的宿主。特定粉蚧种类与PYMoV患病率之间无显著相关性（p = 0.99），提示其他因素可能影响病毒传播。然而，两者之间存在很强的正相关(r = 1.00, p <；0.05)，说明蚂蚁的存在有助于粉蚧的传播。这些发现强调了对粉蚧和抚育蚂蚁进行持续监测的必要性，以减轻PYMoV的传播并保护砂拉越黑胡椒的种植。

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引用次数: 0

The ant (Hymenoptera, Formicidae) fauna of Sakhalin Island: A case study of the Poronaysky Nature Reserve 库页岛蚂蚁（膜翅目，蚁科）区系研究——以波罗纳斯基自然保护区为例

IF 1.1 3区农林科学 Q3 ENTOMOLOGY

Journal of Asia-pacific Entomology

Pub Date : 2025-05-16 DOI: 10.1016/j.aspen.2025.102420

A.S. Ryabinin , R.A. Bykov , S.A. Lukashkov , O.G. Vasilenko , Yu. Yu. Ilinsky

Formicidae fauna has been thoroughly studied in many regions around the world because ants are an important component of ecosystems. Nonetheless, some areas especially in the northern part of Asia-Pacific region remain underexplored. Here we turned to a hard-to-reach terrain: the Poronaysky Nature Reserve (Sakhalin Island), which is protected against human activity by the government. In the summer of 2022, we collected 594 ants on two local routes near coastal areas. Ants were collected using both manual sampling and traps containing sugar syrup. Ant diversity proved to be represented by 14 species from five genera belonging two subfamilies: Formicinae and Myrmicinae. We report three species that have not been previously found on Sakhalin Island, which are Formica polyctena Foerster, 1850, F. pratensis Retzius, 1783, and F. pressilabris Nylander, 1846, as well as two species not previously found in the reserve: Lasius niger (Linnaeus, 1758) and Myrmica ruginodis Nylander, 1846. We noted that Camponotus herculeanus (Linnaeus, 1758) had the first rank in prevalence across the studied area. The current state of ant diversity is 36 species of five genera for Sakhalin Island and 16 species of five genera for the Poronaysky Nature Reserve.

由于蚂蚁是生态系统的重要组成部分，世界上许多地区对蚁科动物群进行了深入的研究。然而，一些地区，特别是亚太地区北部地区，仍未得到充分开发。在这里，我们转向了一个难以到达的地方：波罗纳斯基自然保护区（库页岛），这里受到政府的保护，不受人类活动的影响。在2022年夏天，我们在靠近沿海地区的两条当地路线上收集了594只蚂蚁。采集蚂蚁的方法包括人工取样和含有糖浆的陷阱。蚂蚁的多样性由蚁亚科和蚁亚科5属14种组成。报告了库页岛未发现的3个物种（Formica polyctena Foerster, 1850）、F. pratensis Retzius， 1783和F. pressilabris Nylander, 1846)和2个保护区未发现的物种（Lasius niger （Linnaeus, 1758）和Myrmica ruginodis Nylander， 1846）。我们注意到Camponotus herculleanus （Linnaeus, 1758）在整个研究区域的流行率排名第一。目前，库页岛的蚂蚁多样性为5属36种，波罗纳斯基自然保护区的蚂蚁多样性为5属16种。

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