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Cross-talk between low temperature and other environmental factors Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-03-13 Leigh Boardman
Low temperatures are rarely experienced in isolation. The impacts of low temperatures on insects can be exacerbated or alleviated by the addition of other environmental factors, including, for example, desiccation, hypoxia, or infection. One way in which environmental factors can interact is through cross-talk where different factors enact common signaling pathways. In this review, I highlight the
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Microbiome toxicology – bacterial activation and detoxification of insecticidal compounds Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-03-13 Brittany Faye Peterson
Insect gut bacteria have been implicated in a myriad of physiological processes from nutrient supplementation to pathogen protection. In fact, symbiont-mediated insecticide degradation has helped explain sudden control failure in the field to a range of active ingredients. The mechanisms behind the loss of susceptibility are varied based on host, symbiont, and insecticide identity. However, while some
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New and emerging mechanisms of insecticide resistance Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-03-06 Jian Pu, Henry Chung
The continuous use of insecticides over the last eight decades has led to the development of resistance to these insecticides. Research in the last few decades showed that the mechanisms underlying resistance are diverse but can generally be classified under several modes of resistance such as target-site resistance, metabolic resistance, and penetration resistance. In this review, we highlight new
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Recent advances in insect vision in a 3D world: looming stimuli and escape behaviour Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-03-01 Frances C Rind
Detecting looming motion directly towards the insect is vital to its survival. Looming detection in two insects, flies and locusts, is described and contrasted. Pathways using looming detectors to trigger action and their topographical layout in the brain is explored in relation to facilitating behavioural selection. Similar visual stimuli, such as looming motion, are processed by nearby glomeruli
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Body part-specific development in termite caste differentiation: crosstalk between hormonal actions and developmental toolkit genes Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-29 Kohei Oguchi, Toru Miura
In social insects, interactions among colony members trigger caste differentiation with morphological modifications. During caste differentiation in termites, body parts and caste-specific morphologies are modified during postembryonic development under endocrine controls such as juvenile hormone (JH) and ecdysone. In addition to endocrine factors, developmental toolkit genes such as Hox- and appendage-patterning
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Developing attractants and repellents for ticks: promises and challenges Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-23 Daniel G Lingeman, Kenneth L O’Dell Jr., Zainulabeuddin Syed
Historically, some of the most effective tools to counter vector-borne diseases have been those directed against the vectors. Ticks are undergoing a population explosion as evidenced by the recent expansion of their distribution range. Tick control has traditionally relied heavily on pesticides. However, sustained use of acaricides is resulting in resistant tick populations. Multipronged management
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Glucose aversion: a behavioral resistance mechanism in the German cockroach Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-23 Ayako Wada-Katsumata, Coby Schal
The German cockroach is a valuable model for research on indoor pest management strategies and for understanding mechanisms of adaptive evolution under intense anthropogenic selection. Under the selection pressure of toxic baits, populations of the German cockroach have evolved a variety of physiological and behavioral resistance mechanisms. In this review, we focus on glucose aversion, an adaptive
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Circadian and daily rhythms of disease vector mosquitoes Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-21 Giles E Duffield
Mosquitoes express a rich repertoire of daily 24-hour rhythms in biochemistry, physiology, and behavior. The nocturnal and and diurnal mosquitoes are major vectors of human disease, transmitting parasites and arboviruses, such as malaria and dengue. In this review, we explore the role that 24-hour diel and circadian rhythms play in shaping the temporal life of the mosquito. We focus on recent advances
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Behavioral Resistance to Insecticides: Current Understanding, Challenges, and Future Directions Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-13 Caleb B. Hubbard, Amy C. Murillo
Identifying and understanding behavioral resistance to insecticides is vital for maintaining global food security, public health, and ecological balance. Behavioral resistance has been documented to occur in a multitude of insect taxa dating back to the 1940s but has not received significant research attention due primarily to the complexities of studying insect behavior and a lack of any clear definition
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Recent advances in the study of knockdown resistance mutations in Aedes mosquitoes with a focus on several remarkable mutations Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-10 Nozomi Uemura, Kentaro Itokawa, Osamu Komagata, Shinji Kasai
The mosquito, which transmits the dengue fever virus and other viruses, has acquired resistance to pyrethroid insecticides in a naturally selective manner. Massive use of insecticides has led to the worldwide expansion of resistant populations. The major factor in pyrethroid resistance is knockdown resistance (kdr) caused by amino acid mutation(s) in the voltage-gated sodium channel, which is the target
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Harnessing artificial intelligence for analysing the impacts of nectar and pollen feeding in conservation biological control Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-02-02 Geoff M Gurr, Jian Liu, Ganna Pogrebna
Plant-derived foods, such as nectar and pollen, have garnered substantial research attention due to their potential to support natural enemies of pests. This review is a pioneering exploration of the potential for artificial intelligence approaches to provide insights into the factors that drive the success of conservation biological control (CBC). Nectar and pollen were confirmed as key plant food
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Is the genetic architecture of behavior exceptionally complex? Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-26 Cameron R Fay, Amy L Toth
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Editorial overview: Global change biology (2023) — Novel perspectives on futures, mechanisms, and the human element of insect conservation in the Anthropocene Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-24 Matthew L Forister, Lee A Dyer, Zachariah Gompert, Angela M Smilanich
Abstract not available
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Population genetics as a tool to understand invasion dynamics and insecticide resistance in indoor urban pest insects Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-20 Warren Booth
Many indoor urban pest insects now show a near-global distribution. The reasons for this may be linked to their cryptic behaviors, which make unintentional transport likely, tied to their reliance on human-mediated dispersal that can result in spread over potentially long-distances. Additionally, numerous species exhibit an array of mechanisms that confer insecticide resistance. Using population genetics
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Global change and adaptive biosecurity: managing current and emerging Aleurocanthus woglumi threats to Europe Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-18 Darija Lemic, Darren J Kriticos, Helena Viric Gasparic, Ivana Pajač Živković, Catriona Duffy, Antigoni Akrivou, Noboru Ota
Global climate changes undermine the effectiveness of ‘set and forget’ phytosanitary regulations. Uncertainties in future greenhouse gas emission profiles render it impossible to accurately forecast future climate, thus limiting the ability to make long-term biosecurity policy decisions. Agile adaptive biosecurity frameworks are necessary to address these climatic uncertainties and to effectively manage
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Tick symbiosis Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-18 Zhengwei Zhong, Kun Wang, Jingwen Wang
As obligate blood-feeders, ticks serve as vectors for a variety of pathogens that pose threats on both human and livestock health. The microbiota that ticks harbor play important roles in influencing tick nutrition, development, reproduction, and vector. These microbes also affect the capacity of ticks to transmit pathogens (vector competence). Therefore, comprehending the functions of tick microbiota
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Editorial overview: Aroma nudges in bugs: Sensory perception and memory in insects Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-18 Makoto Mizunami, Nobuhiro Yamagata
Abstract not available
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Insecticide resistance in social insects: assumptions, realities, and possibilities Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-17 Michael E. Scharf, Chow-Yang Lee
Insecticide resistance is an evolved ability to survive insecticide exposure. Compared with nonsocial insects, eusocial insects have lower numbers of documented cases of resistance. Eusocial insects include beneficial and pest species that can be incidentally or purposely targeted with insecticides. The central goal of this review is to explore factors that either limit resistance or the ability to
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The impact of volatiles on tick-host interaction and vector competence Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-17 Ming-Zhu Zhang, Juan Wang, Li-Feng Du, Pei-Jun He, Na Jia
Ticks are obligatory hematophagous arachnids, serving as vectors for a wide array of pathogens that can be transmitted to humans or animals. The ability of tick-borne pathogens to maintain within natural reservoirs is intricately influenced by the attractiveness of ticks to their animal hosts, including humans. However, the complex dynamics of tick behavior and host-seeking strategies remain understudied
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Molecular mechanisms and trade-offs underlying fluctuating thermal regimes during low-temperature storage Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-11 Alex S Torson, George D Yocum, Julia H Bowsher
Insects exposed to constant low temperatures (CLT) exhibit high rates of mortality as well as a variety of sublethal effects. In many species, interruptions of CLT with brief pulses of warm temperatures (fluctuating thermal regimes, FTR) lead to increases in survival and fewer sublethal effects. However, we still lack a complete understanding of the physiological mechanisms activated during FTR. In
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Ecological forecasts of insect range dynamics: a broad range of taxa includes winners and losers under future climate Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-09 Naresh Neupane, Elise A Larsen, Leslie Ries
Species distribution models are the primary tools to project future species’ distributions, but this complex task is influenced by data limitations and evolving best practices. The majority of the 53 studies we examined utilized correlative models and did not follow current best practices for validating retrospective or future environmental data layers. Despite this, a summary of results is largely
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Flourishing with sugars - following the fate of parasitoids in the field Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2024-01-04 Jana C Lee
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Termite primary queen — ancestral, but highly specialized eusocial phenotype Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-23 Simon Hellemans, Robert Hanus
Termite eusociality is accompanied by flagrant caste polyphenism manifested by the presence of several sterile (workers and soldiers) and reproductive (imaginal and neotenic kings and queens) caste phenotypes. Imaginal kings and queens are developmentally equivalent to adults of other hemimetabolous insects but display multiple adaptations inherent to their role of eusocial colony founders, such as
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Editorial overview: From -omics to insight: Applying modern technology to studies of nonmodel insect evolution and diversification Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-21 Rob DeSalle, Sara J Oppenheim
Abstract not available
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Vibration receptor organs in the insect leg: neuroanatomical diversity and functional principles Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-19 Johannes Strauß, Nataša Stritih-Peljhan, Hiroshi Nishino
Detecting substrate vibrations is essential for insects in different behavioural contexts. These vibrational behaviours are mediated by mechanoreceptor organs detecting and processing vibrational stimuli transmitted in the environment. We discuss recently gained insights about the functional principles of insect vibration receptors, mainly leg chordotonal organs highly sensitive to vibrational stimuli
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Regulation of division of labor in insects: a colony-level perspective Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-16 Samuel N Beshers
Studies of division of labor have focused mainly on individual workers performing tasks. Here I propose a shift in perspective: colonies perform tasks, and task performance should be evaluated at the colony level. I then review studies from the recent literature from this perspective, on topics including evaluating task performance; specialization and efficiency; flexibility and task performance; response
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Community change and population outbreak of grasshoppers driven by climate change Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-15 Wei Guo, Chi Ma, Le Kang
The response of insects to climate changes in various aspects has been well-documented. However, there is a dearth of comprehensive review specifically focusing on the response and adaptation of grasshoppers, which are important primary consumers and pests in grassland and agricultural ecosystems. The coexistence of grasshopper species forms diverse communities and coherent groups in spatial–temporal
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Honeydew management to promote biological control Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-12 Maite Fernández de Bobadilla, Natalia M Ramírez, Miguel Calvo-Agudo, Marcel Dicke, Alejandro Tena
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Integrated phylogenomic approaches in insect systematics Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-05 Taís MA Ribeiro, Anahí Espíndola
The increased accessibility of genomic and imaging methods, and the improved access to ecological, spatial, and other natural history-related data is allowing for insect systematics to grow and find answers to central evolutionary and taxonomic questions. Today, integrated studies in insect phylogenomics and systematics are combining natural history, behavior, developmental biology, morphology, fossils
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Editorial overview: Spotlight on monarch butterflies: A treasure trove of biology to preserve Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-12-01 Christine Merlin, Karen S Oberhauser
Abstract not available
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Evolution and molecular mechanisms of wing plasticity in aphids Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-17 Kevin D Deem, Lauren E Gregory, Xiaomi Liu, Omid S Ziabari, Jennifer A Brisson
Aphids present a fascinating example of phenotypic plasticity, in which a single genotype can produce dramatically different winged and wingless phenotypes that are specialized for dispersal versus reproduction, respectively. Recent work has examined many aspects of this plasticity, including its evolution, molecular control mechanisms, and genetic variation underlying the trait. In particular, exciting
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Advances in research on arboviral acquisition from hosts to mosquitoes Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-16 Yibin Zhu, Xi Yu, Liping Jiang, Yibaina Wang, Xiaolu Shi, Gong Cheng
Arboviral acquisition is a critical step in virus transmission. In this review, we present an overview of the interactions between viruses and host blood-derived factors, highlighting the diverse ways in which they interact. Moreover, the review outlines the impact of host blood on gut barriers during viral acquisition, emphasizing the crucial role of this physiological process in virus dissemination
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An insect’s energy bar: the potential role of plant guttation on biological control Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-07 Pablo Urbaneja-Bernat, Alejandro Tena, Joel González-Cabrera, Cesar Rodriguez-Saona
Plant guttation is an exudation fluid composed of xylem and phloem sap secreted at the margins of leaves of many agricultural crops. Although plant guttation is a widespread phenomenon, its effect on natural enemies remains largely unexplored. A recent study showed that plant guttation can be a reliable nutrient-rich food source for natural enemies, affecting their communities in highbush blueberries
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Plants in the rearing of arthropod predators and parasitoids: benefits, constraints, and alternatives Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-07 Patrick De Clercq
This review explores the roles of plants in rearing systems for arthropod biological control agents, addressing benefits and drawbacks. The utilization of plant materials in mass rearing processes for predators and parasitoids serves various purposes. Natural rearing systems require plants for cultivating hosts or prey. Whereas these rearing systems can be economically viable, they also have important
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Floral nectar and honeydew microbial diversity and their role in biocontrol of insect pests and pollination Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-04 Sergio Álvarez-Pérez, Bart Lievens, Clara de Vega
Sugar-rich plant-related secretions, such as floral nectar and honeydew, that are commonly used as nutrient sources by insects and other animals, are also the ecological niche for diverse microbial communities. Recent research has highlighted the great potential of nectar and honeydew microbiomes in biological pest control and improved pollination, but the exploitation of these microbiomes requires
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Direct sequencing of insect symbionts via nanopore adaptive sampling Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-04 Jonathan H Badger, Rosanna Giordano, Aleksey Zimin, Robert Wappel, Senem M Eskipehlivan, Stephanie Muller, Ravikiran Donthu, Felipe Soto-Adames, Paulo Vieira, Inga Zasada, Sara Goodwin
Insect symbionts can alter their host phenotype and their effects can range from beneficial to pathogenic. Moreover, many insects exhibit co-infections, making their study more challenging. Less than 1% of insect species have high-quality referenced genomes available and fewer still also have their symbionts sequenced. Two methods are commonly used to sequence symbionts: whole-genome sequencing to
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The diversification of butterfly wing patterns: progress and prospects Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-03 Dequn Teng, Wei Zhang
Butterfly wings display rich phenotypic diversity and are associated with complex biological functions, thus serving as an important evolutionary system to address the genetic basis and evolution of phenotypic diversification. We review recent butterfly studies that revealed complex functions underlying diversified wing patterns and describe the genetic and environmental factors involved in wing pattern
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Genomic signatures of eusocial evolution in insects Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-11-03 Alina A Mikhailova, Sarah Rinke, Mark C Harrison
The genomes of eusocial insects allow the production and regulation of highly distinct phenotypes, largely independent of genotype. Although rare, eusociality has evolved convergently in at least three insect orders (Hymenoptera, Blattodea and Coleoptera). Despite such disparate origins, eusocial phenotypes show remarkable similarity, exhibiting long-lived reproductives and short-lived sterile workers
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Population dynamics and drivers of the eastern monarch (Danaus plexippus) across its full annual cycle: a cross-scale synthesis of a model migratory species Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-21 Vaughn Shirey, Leslie Ries
The monarch butterfly is arguably the best-known butterfly species throughout its global range. Declines in the size of the overwintering colonies in Mexico have sparked controversy regarding the conservation of the species and this controversy has been heightened since the United States Fish and Wildlife Service and International Union for the Conservation of Nature concluded that the eastern monarch
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An integrative framework for tick management: the need to connect wildlife science, One Health, and interdisciplinary perspectives Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-20 Erika T Machtinger, Karen C Poh, Risa Pesapane, Danielle M Tufts
Vector-borne diseases pose a significant threat to human and animal health worldwide. Their emergence is influenced by various factors such as environmental changes, host characteristics, and human behavior. The One Health approach is necessary to thoroughly investigate tick-borne diseases and understand the complex interactions between environmental, animal, and human health. Anthropogenic changes
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Forecasting insect dynamics in a changing world Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-17 Christie A Bahlai
Predicting how insects will respond to stressors through time is difficult because of the diversity of insects, environments, and approaches used to monitor and model. Forecasting models take correlative/statistical, mechanistic models, and integrated forms; in some cases, temporal processes can be inferred from spatial models. Because of heterogeneity associated with broad community measurements,
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The loci of insect phenotypic evolution Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-17 Virginie Courtier-Orgogozo
Insects are important elements of terrestrial ecosystems because they pollinate plants, destroy crops, transmit diseases to livestock and humans, and are important components of food chains. Here, I used Gephebase, a manually curated database of genetic variants associated with natural and domesticated trait variation, to explore current knowledge about the genes and the mutations known to contribute
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Soil salinization and chemically mediated plant–insect interactions in a changing climate Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-13 Andrea Marroquin, Katherine Holmes, Diego Salazar
Increase in soil salinization due to climate change is a global phenomenon that can induce significant changes in plant growth, physiology, and chemistry, exacerbating growing threats to insect biodiversity. Insects that rely on plants are likely to be indirectly impacted by changes in soil salt content through changes in plant chemistry, yet few studies link changes in plant metabolism to impacts
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Nutrition- and hormone-controlled developmental plasticity in Blattodea Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-06 Fangfang Liu, Shuxin Yu, Nan Chen, Chonghua Ren, Sheng Li
Blattodea, which includes cockroaches and termites, possesses high developmental plasticity that is mainly controlled by nutritional conditions and insect hormones. Insulin/insulin-like growth factor signaling (IIS), target of rapamycin complex 1 (TORC1), and adenosine monophosphate-activated protein complex are the three primary nutrition-responsive signals. Juvenile hormone (JH) and 20-hydroxyecdysone
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Facing the flames: insect responses to megafires and changing fire regimes Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-10-05 Haley E Dole, Santiago Villamarin-Cortez, Lora A Richards
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Experience-dependent tuning of the olfactory system Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-22 Nicolás Pírez, Martín Klappenbach, Fernando F Locatelli
Insects rely on their sense of smell to navigate complex environments and make decisions regarding food and reproduction. However, in natural settings, the odors that convey this information may come mixed with environmental odors that can obscure their perception. Therefore, recognizing the presence of informative odors involves generalization and discrimination processes, which can be facilitated
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The monarch butterfly in Mexico: a conservation model Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-22 Eduardo Rendón-Salinas, Alfonso Alonso, Eligio García-Serrano, Adriana Valera-Bermejo, Mauricio Quesada
Each fall, millions of monarch butterflies (Danaus plexippus L.) travel from Canada and the United States to overwinter in Mexico and California. In 2022, the IUCN listed migratory monarchs as endangered because of their population decline. The main accepted drivers are widespread use of herbicides, effects of climate, and land use change that causes habitat loss. We analyzed the main actions taken
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Neuropeptide regulations on behavioral plasticity in social insects Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-22 Li Hou, Nanying Wang, Tianle Sun, Xianhui Wang
Social insects demonstrate remarkable behavioral flexibility in response to complex external and social environments. One of the most striking examples of this adaptability is the context-dependent division of labor among workers of bees and ants. Neuropeptides, the brain’s most diverse group of messenger molecules, play an essential role in modulating this phenotypic plasticity related to labor division
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The importance of fat accumulation and reserves for insect overwintering Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-21 Thomas Enriquez, Bertanne Visser
Winter is a challenging season for ectothermic species such as insects. In addition to thermal stress imposed by cold temperatures, food scarcity during winter can lead to starvation and energy drain. In preparation for winter, most insects accumulate lipid (fat) reserves, which are the principal source of energetic fuel during overwintering. In this review, we highlight the most recent literature
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Microbe-mediated alterations in floral nectar: consequences for insect parasitoids Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-21 Antonino Cusumano, Bart Lievens
Floral nectar is frequently colonized by microbes among which bacteria and yeasts are the most abundant. These microbes have the ability to alter nectar characteristics with consequences for the whole community of flower-visiting insects. Recent research carried out on natural enemies of insect herbivores has shown that microbe-mediated changes in nectar traits can influence the foraging behavior and
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Gene regulatory networks underlying the development and evolution of plasticity in horned beetles Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-13 Phillip L Davidson, Erica M Nadolski, Armin P Moczek
Horned beetles have emerged as a powerful study system with which to investigate the developmental mechanisms underlying environment-responsive development and its evolution. We begin by reviewing key advances in our understanding of the diverse roles played by transcription factors, endocrine regulators, and signal transduction pathways in the regulation of horned beetle plasticity. We then explore
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Integration of information from multiple sources drives and maintains the division of labor in bumble bee colonies Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-12 Jin Ge, Yuval M-B Shalem, Zhuxi Ge, Jinpeng Liu, Xianhui Wang, Guy Bloch
Bumble bees are eusocial bees in which the division of labor (DoL) in reproduction and in task performance changes during their annual lifecycle. The queen monopolizes reproduction in young colonies, but at later stages, some workers start to challenge the queen and lay their own unfertilized eggs. The division of colony maintenance and growth tasks relates to worker body size. Reproduction and task
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Genomic complexity of parasites and vectors challenges malaria control in Southeast Asia Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-09 Brandyce St. Laurent
Southeast Asia is a uniquely complex region of malaria transmission that maintains an astounding level of species diversity among potential malaria vectors and also generates drug-resistant and quickly diverging populations of malaria parasites. All five human malaria species circulate in Southeast Asia with over 50 Anopheles species that vary in their ability to transmit these pathogens. The intricate
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Tracking technologies: advances driving new insights into monarch migration Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-09 Delbert A Green II
Understanding the rules of how monarch butterflies complete their annual North American migration will be clarified by studying them within a movement ecology framework. Insect movement ecology is growing at a rapid pace due to the development of novel monitoring systems that allow ever-smaller animals to be tracked at higher spatiotemporal resolution for longer periods of time. New innovations in
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Strengthening adult mosquito surveillance in Africa for disease control: learning from the present Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-03 Zanakoungo I Coulibaly, Steve Gowelo, Issouf Traore, Rex B Mbewe, Willy Ngulube, Evelyn A Olanga, Adilson J DePina, Antoine Sanou, Sylvester Coleman, Julie-Anne A Tangena
Mosquito surveillance is essential to successfully control and eliminate mosquito-borne diseases. Yet, it is often done by numerous organizations with little collaboration, incomplete understanding of existing gaps, and limited long-term vision. There is a clear disconnect between entomological and epidemiological indices, with entomological data informing control efforts inadequately. Here, we discuss
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The neurobiology of the Monarch butterfly compass Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-09-01 M. Jerome Beetz, Basil el Jundi
Monarch butterflies (Danaus plexippus) have become a superb model system to unravel how the tiny insect brain controls an impressive navigation behavior, such as long-distance migration. Moreover, the ability to compare the neural substrate between migratory and nonmigratory Monarch butterflies provides us with an attractive model to specifically study how the insect brain is adapted for migration
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Monarch butterfly-breeding habitat restoration: how movement ecology research can inform best practices for site selection Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-08-29 Kelsey E Fisher, Steven P Bradbury
Population dynamics, persistence, and distribution are emergent properties of animal movement behavior and the spatial configuration of resources. Monarch butterflies are a vagile species with an open-population structure. Selecting locations for monarch butterfly- breeding habitat restoration that aligns with natural movement behavior will facilitate efficient habitat utilization across the landscape
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Inhibitory signaling in collective social insect networks, is it indeed uncommon? Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-08-25 Tzvi S Goldberg, Guy Bloch
Individual entities across levels of biological organization interact to reach collective decisions. In centralized neuronal networks, competing neural populations commonly accumulate information over time while increasing their own activity, and cross-inhibiting other populations until one group passes a given threshold. In social insects, there is good evidence for decisions mediated by positive
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Insight into phenotypic plasticity in planthoppers Curr. Opin. Insect Sci. (IF 5.3) Pub Date : 2023-08-23 Hai-Jian Huang, Jin-Li Zhang, Chuan-Xi Zhang
Planthoppers possess an impressive ability to exhibit phenotypic plasticity, which allows them to adjust their morphology for migration, overwintering, and adaptation to different environmental conditions. The wing and color polyphenism are the two most outward morphologies. Wing polyphenism serves as a classic illustration of a life history trade-off between reproduction and migration, while color