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Editorial overview: Unique biological processes of blood-feeding arthropods (2025) 编辑概述：独特的生物过程吸血节肢动物（2025）。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-08-06 DOI: 10.1016/j.cois.2025.101426
Joshua B Benoit
{"title":"Editorial overview: Unique biological processes of blood-feeding arthropods (2025)","authors":"Joshua B Benoit","doi":"10.1016/j.cois.2025.101426","DOIUrl":"10.1016/j.cois.2025.101426","url":null,"abstract":"","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101426"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144803855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microbial, genetic, and urban drivers of ant invasions 蚂蚁入侵的微生物、基因和城市驱动因素。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-08-05 DOI: 10.1016/j.cois.2025.101417
Wei-Jiun Lin , Po-Wei Hsu , Edward L Vargo , Chin-Cheng Scotty Yang
{"title":"Microbial, genetic, and urban drivers of ant invasions","authors":"Wei-Jiun Lin ,&nbsp;Po-Wei Hsu ,&nbsp;Edward L Vargo ,&nbsp;Chin-Cheng Scotty Yang","doi":"10.1016/j.cois.2025.101417","DOIUrl":"10.1016/j.cois.2025.101417","url":null,"abstract":"<div><div>Invasive ants are among the most destructive invaders worldwide, causing ecological disruption, economic losses, and public health risks. While classic traits such as polygyny, colony budding, and supercoloniality are well-known contributors to their success, emerging research reveals a broader suite of mechanisms driving their invasiveness. This review synthesizes recent findings on the microbial, genetic, and behavioral factors that facilitate ant invasions. Microbial interactions play a crucial role; invasive ants often exhibit a loss of natural enemies, including microbial pathogens such as <em>Wolbachia</em>. However, <em>Wolbachia</em> has received growing attention for its potential mutualistic role in enhancing colony productivity and nutrient provisioning. The bridgehead effect, wherein invasive populations establish strategic hubs that facilitate secondary invasions, has been increasingly recognized as a key driver of global ant spread and may promote genetic intermixing among invasive lineages. Genetic mechanisms such as double clonality, sexually antagonistic selection, and tolerance to inbreeding help invasive ants maintain genetic diversity despite founding populations often consisting of relatively few individuals. Additionally, urban environments impose unique selective pressures that may lead to adaptations favoring success across all stages of the invasion process. This framework aligns with the Anthropogenically Induced Adaptation to Invade (AIAI) hypothesis and helps explain why many urban-adapted ants become globally invasive. As urbanization continues to expand, human-modified landscapes may inadvertently serve as breeding grounds for future invasive species. Understanding these multifaceted invasion dynamics provides critical insights for managing invasive ant populations and mitigating their widespread impacts.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101417"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144774821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endocrine-disrupting effects of contaminants on communication and behaviors of insects: from molecular effects to ecological consequences 污染物对昆虫交流和行为的内分泌干扰：从分子效应到生态后果。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-09-04 DOI: 10.1016/j.cois.2025.101431
David Siaussat , Amandine Avilès
{"title":"Endocrine-disrupting effects of contaminants on communication and behaviors of insects: from molecular effects to ecological consequences","authors":"David Siaussat ,&nbsp;Amandine Avilès","doi":"10.1016/j.cois.2025.101431","DOIUrl":"10.1016/j.cois.2025.101431","url":null,"abstract":"<div><div>An increasing number of studies have highlighted the insidious effects of endocrine disruptors on insect endocrinology, development, and behavior, prompting concerns regarding the ecological consequences of these pollutants. This review explores the effects of endocrine-disrupting chemicals (EDCs) on insect communication and behavior, focusing on the molecular mechanisms and ecological consequences. This study underscores the importance of addressing EDC risks in maintaining biodiversity and ecosystem functions.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101431"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145008162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insect sex chromosome evolution: conservation, turnover, and mechanisms of dosage compensation 昆虫性染色体进化：保存、更新和剂量补偿机制。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-07-12 DOI: 10.1016/j.cois.2025.101411
Melissa A Toups , Beatriz Vicoso
{"title":"Insect sex chromosome evolution: conservation, turnover, and mechanisms of dosage compensation","authors":"Melissa A Toups ,&nbsp;Beatriz Vicoso","doi":"10.1016/j.cois.2025.101411","DOIUrl":"10.1016/j.cois.2025.101411","url":null,"abstract":"<div><div>Sex chromosomes have evolved many times throughout the tree of life, and understanding what has shaped their unusual morphological, sequence, and regulatory features has been a long-standing goal. Most early insights into insect sex chromosome biology came from a few model species, such as the fruit fly <em>Drosophila melanogaster</em>, which limited broad-scale evolutionary inferences. More recently, extensive comparative genomics studies have uncovered several unexpected patterns, which we highlight in this review. First, we describe the conservation of the ancestral X chromosome over 450 million years but also its recurrent turnover (i.e. its reversal to an autosome when a new X chromosome arose) in at least one order. We then summarize classical and more recent findings on how insects modulate the expression of X-linked genes following the degradation of the Y chromosome and how the diverse mechanisms of dosage compensation identified may elucidate important principles of sex chromosome regulatory evolution.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101411"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144636498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The evolution of queen competitions to boost productivity. 女王竞争的进化是为了提高生产力。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-07-15 DOI: 10.1016/j.cois.2025.101413
Patrick Kennedy
{"title":"The evolution of queen competitions to boost productivity.","authors":"Patrick Kennedy","doi":"10.1016/j.cois.2025.101413","DOIUrl":"10.1016/j.cois.2025.101413","url":null,"abstract":"<p><p>Several authors have argued that social insect workers may boost colony productivity by selecting the most fertile, healthy, or vigorous queens from pools of competing candidates. This represents an unusual hypothesis for social evolution: group members may gain indirect fitness by cultivating within-group direct fitness competition. I review the status of this hypothesis and highlight key unsolved questions. Recent results from the epiponine wasps of South America underscore the potential for effective comparative analyses. A combination of field experiments, phylogenetics, and game theoretic modelling across diverse social insects is needed to test the plausibility of adaptations fomenting within-group competition to boost productivity.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":" ","pages":"101413"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144658604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beneficial soil microbes as drivers of plant–insect interactions: a perspective 有益土壤微生物作为植物-昆虫相互作用的驱动因素：一个视角。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-09-08 DOI: 10.1016/j.cois.2025.101432
Esther N Ngumbi
{"title":"Beneficial soil microbes as drivers of plant–insect interactions: a perspective","authors":"Esther N Ngumbi","doi":"10.1016/j.cois.2025.101432","DOIUrl":"10.1016/j.cois.2025.101432","url":null,"abstract":"<div><div>The association of plants with beneficial soil microbes, including arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria, can enhance plant growth and nutrient uptake while modifying plant traits, including growth rate, architecture, nutritional quality, secondary metabolites, phytohormones, and volatile organic compounds (VOCs), necessary for interactions with insect pests and their natural enemies. Microbe-induced effects on insect herbivores and their natural enemies can be positive, neutral, or negative, and are context-dependent, creating the need for continued synthesis of published research to identify emerging patterns, recognize limitations, and guide future research. This perspective highlights three key pathways through which beneficial soil microbes drive interactions among agricultural plants, insect pests, and their natural enemies through the lens of applied research: (1) alterations in plant growth rate, architecture, and nutritional quality; (2) modifications of plant secondary metabolites and phytohormones; and (3) modifications in the emissions of VOCs. Existing limitations, including inconsistent and context-dependent outcomes, are summarized, and future research areas are outlined. Finally, this perspective emphasizes the need to understand how crop breeding, domestication, and climate change–associated stressors, individually and in combination, shape the outcomes of these interactions. Addressing limitations will ensure that microbe-based pest management strategies become dependable tools that producers can use to reduce pesticide use, protect crops from biotic and abiotic stressors, and sustainably enhance crop productivity.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101432"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145033102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endosymbionts interacting with sex-determining genes and processes 与性别决定基因和过程相互作用的内共生生物。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-07-12 DOI: 10.1016/j.cois.2025.101410
Laura C Fricke, Matthew D Villalta, Amelia RI Lindsey
{"title":"Endosymbionts interacting with sex-determining genes and processes","authors":"Laura C Fricke,&nbsp;Matthew D Villalta,&nbsp;Amelia RI Lindsey","doi":"10.1016/j.cois.2025.101410","DOIUrl":"10.1016/j.cois.2025.101410","url":null,"abstract":"<div><div>Insects are rich in reproductive diversity and in maternally inherited symbionts. Maternal inheritance has selected for a suite of microbial mechanisms that enhance host fitness and skew sex ratios in favor of females. Recently, there has been significant progress in characterizing the genetic and cellular mechanisms that these maternally transmitted symbionts use to manipulate insect sex. Significant advances include the identification of specific microbial effector proteins that lead to male-killing, parthenogenesis, and feminization in a range of model and nonmodel insects. Many of these effectors target similar host processes, such as dosage compensation and the sex determination cascade that leads to sex-specific splicing of genes, including <em>transformer</em> and <em>doublesex</em>. The independent origins of these endosymbionts and their induced phenotypes facilitate an enhanced understanding of convergent evolution and offer opportunities to investigate the mechanisms driving insect reproductive diversity.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101410"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144636497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sex determination gene Doublesex in hemimetabolous insects. 半代谢昆虫的两性决定基因。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-07-14 DOI: 10.1016/j.cois.2025.101412
Kokuto Fujiwara, Satoshi Miyazaki, Kiyoto Maekawa
{"title":"Sex determination gene Doublesex in hemimetabolous insects.","authors":"Kokuto Fujiwara, Satoshi Miyazaki, Kiyoto Maekawa","doi":"10.1016/j.cois.2025.101412","DOIUrl":"10.1016/j.cois.2025.101412","url":null,"abstract":"<p><p>Sexual differentiation is a fundamental process in animals, which, in insects, is dependent on sex determination gene cascades rather than sex hormones. Notably, gene transcriptional regulation by the sex-determining gene Doublesex (Dsx), which encodes a transcription factor, plays a pivotal role in sexual differentiation among different insect species. Although its function is well conserved in holometabolous insects, it has undergone gradual evolutionary changes in hemimetabolous insects. In this review, we examine the male-specific role of Dsx in hemimetabolous insects by tracing its evolutionary trajectory based on recent findings. In particular, we focus on silverleaf whiteflies and termites, in which Dsx has undergone notable evolutionary modification, thereby highlighting their unique characteristics.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":" ","pages":"101412"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144648798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ice queens: bumble bee social organization shaped by adaptations to cold climates 冰女王：大黄蜂适应寒冷气候形成的社会组织。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-08-24 DOI: 10.1016/j.cois.2025.101429
Margarita Orlova
{"title":"Ice queens: bumble bee social organization shaped by adaptations to cold climates","authors":"Margarita Orlova","doi":"10.1016/j.cois.2025.101429","DOIUrl":"10.1016/j.cois.2025.101429","url":null,"abstract":"<div><div>Bumble bees are an economically and ecologically important group of social insects distributed primarily in boreal and temperate zones. Their social organization is distinct from that of other obligately eusocial taxa, likely because of their climatic adaptations. Queens differ from workers in physiological traits related to cold tolerance, such as size and lipid reserves. They directly manipulate the development of their offspring, reducing its size and developmental time. Manipulation of brood development and variance in body size among adults are important organizing features of bumblebee sociality. Investigation of these traits and of their diversity across species offers an insight into proximate mechanisms underlying evolutionary changes. Here, I review the recent body of work on bumble bee social organization, as well as open questions and directions for future study.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101429"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Learning under stress: how the insect brain copes 压力下的学习：昆虫的大脑是如何应对的。
IF 4.8 1区 农林科学
Current opinion in insect science Pub Date : 2025-12-01 Epub Date: 2025-08-28 DOI: 10.1016/j.cois.2025.101428
Jean-Marc Devaud
{"title":"Learning under stress: how the insect brain copes","authors":"Jean-Marc Devaud","doi":"10.1016/j.cois.2025.101428","DOIUrl":"10.1016/j.cois.2025.101428","url":null,"abstract":"<div><div>Insects can adjust their behaviours through learning and memory, but this rather costly capacity is often impacted by stressors. Here, we address how this impact can be mediated by hormones and neuropeptides that are part of the insect physiological response to stress. While we only have a partial view of the involved regulatory interactions, recent work has contributed to unravel how these signals can modulate neural activity in response to stress. By targeting different neuron populations and/or processes, they appear to participate in a coordinated modulation that can either downregulate or preserve different aspects of learning and memory. However, our current knowledge is based on studies restricted to fruit flies and honey bees, usually focusing on a single stressor at a time. Thus, we call for comparative studies between responses to multiple stressors, and across a larger panel of species since these two models already appear to have notable specificities, possibly be related to solitary or social lifestyle.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"72 ","pages":"Article 101428"},"PeriodicalIF":4.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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