Insectes Sociaux最新文献_第5页

Reproductive potentials of task-shifting workers in a queenless ant 无后蚁中任务转移工蚁的生殖潜力

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2024-02-24 DOI: 10.1007/s00040-024-00949-4

Yasunari Tanaka, Kohei Oguchi, Satoshi Miyazaki, Kiyoto Maekawa, Hiroyuki Shimoji

{"title":"Reproductive potentials of task-shifting workers in a queenless ant","authors":"Yasunari Tanaka, Kohei Oguchi, Satoshi Miyazaki, Kiyoto Maekawa, Hiroyuki Shimoji","doi":"10.1007/s00040-024-00949-4","DOIUrl":"https://doi.org/10.1007/s00040-024-00949-4","url":null,"abstract":"Eusocial insects, such as ants and honeybees, are characterized by the sophisticated division of labor among workers. In addition to age polyethism, the division of labor is maintained by task shifting of workers in fluctuating environments. While task experience is considered a key factor in realizing the task shifting, our previous study suggests that the experience promotes the task shifting of not nurses but foragers in a queenless ant, Diacamma cf. indicum from Japan. Therefore, we hypothesize that different mechanisms, e.g., reproductive potential, underlie task shifting between the nurse and the forager. In this study, we examined the relationship between the ovarian development of workers and their task shifting, using D. cf. indicum. We also examined the relationships between the expression levels of Vitellogenin (Vg), VgR, Vg-like A, Vg-like B, Vg-like C, and foraging gene and the task shifting of the nurses. Our results showed that more than half of the nurses maintained their reproductive potential—as evidenced by their well-developed ovaries—even when they had shifted to the foraging task. In contrast, the foragers—whether they had shifted to the nursing task or not—remained with regressed ovaries. Finally, we found that the nurses who shifted to the foraging task exhibited low expression levels of Vg, VgR, and Vg-like A. In conjunction with previous studies, our results suggest that this physiological contradiction may underlie the different mechanisms that lead to the task shifting between the nurse and the forager in this species.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"9 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139953220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Plasticity in expression of fruit fly larval feeding clusters in response to changes in food quality and distribution 果蝇幼虫摄食群表达的可塑性对食物质量和分布变化的响应

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2024-02-18 DOI: 10.1007/s00040-024-00947-6

T. T. Shoot, N. Y. Miller, T. A. F. Long

{"title":"Plasticity in expression of fruit fly larval feeding clusters in response to changes in food quality and distribution","authors":"T. T. Shoot, N. Y. Miller, T. A. F. Long","doi":"10.1007/s00040-024-00947-6","DOIUrl":"https://doi.org/10.1007/s00040-024-00947-6","url":null,"abstract":"Joining a social group entails a range of possible costs and benefits, with the balance of pros and cons potentially dependent on the specific conditions present in the local environment. In the third-instar stage of fruit fly (Drosophila melanogaster) development, individuals may join together into clusters that can increase access to buried food resources, but this collaboration comes with the possible risks of kleptoparasitism or slowed development. Cluster feeding in D. melanogaster larvae has the potential to be a valuable model for studying the dynamics of social and group behaviours, but little is currently known about the plasticity of its expression. In this study, we set out to explore how this collective behaviour might be shaped by the nutritional quality of the environment and/or the spatial distribution of resources by manipulating the nutritional quality of the larval environment and the configuration of available resources. By tracking the timing, frequency, composition, and size of any feeding clusters that subsequently developed, we could better understand the factors that influenced the expression of this social behaviour. We found that cluster expression varied temporally and with the type of resources present in the environment. When possible, larvae formed clusters more frequently to take advantage of otherwise inaccessible resources. The increased clustering patterns were most dramatically manifested as deeper feeding mines. This work expands our understanding of the plastic nature of this collective behaviour, given that discrete environmental changes elicited dynamic changes in larval behaviours.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"4 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139902579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effect of soldiers on vibroacoustic alarm response in workers of subterranean termites (Blattodea: Rhinotermitidae) 士兵对地下白蚁（Blattodea: Rhinotermitidae）工蚁振动声报警反应的影响

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2024-02-09 DOI: 10.1007/s00040-023-00945-0

M. A. Janowiecki, V. Jandák, M. Brothánek, O. Jiřı́ček, E. L. Vargo, J. Šobotník

{"title":"Effect of soldiers on vibroacoustic alarm response in workers of subterranean termites (Blattodea: Rhinotermitidae)","authors":"M. A. Janowiecki, V. Jandák, M. Brothánek, O. Jiřı́ček, E. L. Vargo, J. Šobotník","doi":"10.1007/s00040-023-00945-0","DOIUrl":"https://doi.org/10.1007/s00040-023-00945-0","url":null,"abstract":"Subterranean termites rely on chemical and vibroacoustic communication as they live enclosed in tunnels in the soil or wood. While social context is known to influence colony-level behaviors in many social insects, its influence on alarm communication remains unstudied. We tested the influence of the soldier caste on worker behavioral plasticity for subterranean termites: two species of Reticulitermes and Coptotermes formosanus. We altered the group composition according to soldier proportion or their replacement by chemical signals (hexane extracts). The responses of termites to stimuli known to provoke alarm responses, such as human breath simulating a breech in the nest or crushed soldier head (CSH) containing the chemical alarm cues, comprised increased movement and increased vibroacoustic alarm signaling. Species differed in the intensity of their responses, which were generally stronger in Reticulitermes. Groups of Reticulitermes with soldiers responded more strongly to CSH, while groups of R. virginicus only responded to human breath in the presence of soldier extracts. The responses of Coptotermes formosanus showed no effect of group composition on responses to stimuli, suggesting that soldier presence does not affect vibroacoustic behavior in this species. Our results highlight how alarm behavior changes quickly in closely related species as part of finely tuned behavioral mechanisms optimizing a species’ response in each environment including in the presence of natural predators and competitors.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"21 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139772061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Colony structure, ecological correlates and nestmate recognition in the ant Odontomachus hastatus: a comparative study between populations with different social organisations 蚂蚁 Odontomachus hastatus 的蚁群结构、生态相关性和巢友识别：不同社会组织种群之间的比较研究

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2024-02-05 DOI: 10.1007/s00040-023-00944-1

C. Bottcher, K. Berthelot, A. Bernadou, J. Orivel, V. Fourcassié, P. S. Oliveira, R. Jeanson

{"title":"Colony structure, ecological correlates and nestmate recognition in the ant Odontomachus hastatus: a comparative study between populations with different social organisations","authors":"C. Bottcher, K. Berthelot, A. Bernadou, J. Orivel, V. Fourcassié, P. S. Oliveira, R. Jeanson","doi":"10.1007/s00040-023-00944-1","DOIUrl":"https://doi.org/10.1007/s00040-023-00944-1","url":null,"abstract":"An important question in evolutionary biology is to identify the mechanisms that control the number of reproductives in social groups. Ants are appropriate models to address this question because of the variety of their social structures both within and between species, making this taxon suitable for initiating comparative studies to examine the drivers of this diversity. In this study, we developed a comparative approach between populations of the ponerine ant Odontomachus hastatus from Brazil and French Guiana. In Brazil, monogynous and polygynous colonies coexist in the same populations, whereas only monogynous colonies are present in French Guiana. We combined ecological, behavioural and chemical analyses to identify the factors associated with the expression of this social polymorphism. In Brazil, nest densities were higher than in French Guiana, but nesting sites were available in large quantities in both areas, indicating that habitat saturation is probably not the cause of social polymorphism. We did not detect any difference in queen size, regardless of the social structure of the colonies, suggesting that dispersal strategies may be similar between monogynous and polygynous populations. We found no influence of social structure on aggression intensity in dyadic encounters between workers. Last, we showed that the level of aggression increased with both geographical and chemical distance, but we did not find any difference in cuticular profiles between monogynous and polygynous colonies. Overall, the determinism of social polymorphism in O. hastatus still eludes us and calls for further field experiments coupled with genetic approaches.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"36 3 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Newly emerged bumblebees are highly susceptible to gut parasite infection 刚出生的熊蜂极易感染肠道寄生虫

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2024-01-16 DOI: 10.1007/s00040-024-00946-7

Hannah S Wolmuth-Gordon, Kazumi Nakabayashi, Mark JF Brown

{"title":"Newly emerged bumblebees are highly susceptible to gut parasite infection","authors":"Hannah S Wolmuth-Gordon, Kazumi Nakabayashi, Mark JF Brown","doi":"10.1007/s00040-024-00946-7","DOIUrl":"https://doi.org/10.1007/s00040-024-00946-7","url":null,"abstract":"One factor that can affect infection susceptibility is host age, the effects of which vary in a range of ways. For example, susceptibility may increase with age, due to senescence or decrease with age as a result of maturation of the immune system. If certain ages are more susceptible to infection, populations with contrasting demographics, such as same-age cohorts versus a mixture of ages, will exhibit differing disease prevalence. We use the bumblebee, Bombus terrestris, and its interaction with the gut trypanosome Crithidia sp. as a model system to investigate age-related susceptibility in a social insect. Crithidia sp. are widespread and prevalent parasites of bumblebees that are spread between colonies via faeces on flowers when foraging, and within colonies via contact with infected bees and contaminated surfaces and resources. In the field, Bombus spp. live for approximately three weeks. Here, we inoculated bumblebees at 0, 7, 14 and 21 days of age and measured their infection after one week. We also measured the level of gene expression of two antimicrobial peptides important in the defence against Crithidia bombi in bumblebees. We found that younger bumblebees are more susceptible to infection by Crithidia sp. than their older siblings. Specifically, individuals inoculated on their first day of emergence had infection intensities seven days later that were four-fold higher than bees inoculated at 21 days of age. In contrast, the gene expression of two AMPs known to protect against the trypanosome, abaecin and defensin, did not significantly vary with age. These results suggest that age does affect susceptibility to Crithidia sp. infection in B. terrestris. The higher susceptibility of callows may have implications for the susceptibility of colonies at different stages of their lifecycle, due to the contrasting age demography of workers in the colony.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"67 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139475260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Eusociality is not a major evolutionary transition, and why that matters 群居性并不是主要的进化转变，为什么这很重要呢

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2023-11-22 DOI: 10.1007/s00040-023-00942-3

P. Nonacs, K. K. Denton

{"title":"Eusociality is not a major evolutionary transition, and why that matters","authors":"P. Nonacs, K. K. Denton","doi":"10.1007/s00040-023-00942-3","DOIUrl":"https://doi.org/10.1007/s00040-023-00942-3","url":null,"abstract":"Major evolutionary transitions (METs) across Earth’s biological history describe fusions of lower-level entities into higher-level individuals (evolutionary transitions in individuality: ETIs) as well as novel forms of information storage and transmission (Information Leaps). Obligate eusociality is frequently listed as a MET—most often in the context of being an ETI and with an extrapolation that the ETI requires inclusive fitness maximization for all parties. However, obligate eusociality neither fundamentally alters how information is stored and transmitted nor meets the various criteria proposed for an ETI. We argue that rather than representing a higher-level individual, the evolution of non-reproductive worker castes is more analogous to a novel ‘organ’ that maintains homeostasis and nurtures the gonadal tissue of mated queens. Worker castes benefit queens by performing dangerous but necessary functions such as foraging, while enabling the gamete-producing functions to be kept relatively safe. This is an ecologically successful and significant evolutionary innovation, which can be thought of as a major competitive transition (MCT). In this context, we hypothesize that worker castes are most likely to evolve through parental manipulation. Employing such a MCT perspective generates a broad series of predictions about eusocial life histories.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"5 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138532670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Olfactory associative learning in the Australian stingless bee Tetragonula carbonaria 澳洲无刺蜜蜂的嗅觉联想学习

IF 1.3 3区农林科学

Insectes Sociaux Pub Date : 2023-11-21 DOI: 10.1007/s00040-023-00943-2

M. Ludowici, M. Beekman, R. Gloag

{"title":"Olfactory associative learning in the Australian stingless bee Tetragonula carbonaria","authors":"M. Ludowici, M. Beekman, R. Gloag","doi":"10.1007/s00040-023-00943-2","DOIUrl":"https://doi.org/10.1007/s00040-023-00943-2","url":null,"abstract":"Flower-visiting social insects use a variety of cues to help them learn and recall which flowers are high-quality resources, including the flower odour. In addition, some species may learn to respond to the odours left at flowers by other insects, either to avoid flowers that have likely been depleted by recent visitors, or to identify profitable floral patches being used by competitors. For example, Australian stingless bees were observed to be more attracted to food sources recently visited, and thus odour-marked, by other stingless bees or honey bees than food sources with no prior visits. Here, we use a proboscis extension response (PER) protocol to investigate the capacity for olfactory associative learning in the Australian stingless bee, Tetragonula carbonaria. We test the ability of T. carbonaria to learn to associate a food reward with each odour in two paired sets of odours: (1) vanilla vs. lavender, and (2) linalool vs. a synthetic version of the honey bee pheromone Nasonov. After conditioning, T. carbonaria foragers demonstrated successful discrimination between the two different odours in a set, learnt to associate all four test odours with a food reward, and maintained this association for 15 min after training. In all, our results, therefore, show that PER can be used to investigate associative learning in T. carbonaria and support olfactory associative learning as a mechanism by which the odours of both flowers and other bees affect foraging decisions in this species.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"61 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138532672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Striking variation: a universal scale for worker aggression in ants 惊人的变化:蚂蚁工蚁攻击的普遍尺度

3区农林科学

Insectes Sociaux Pub Date : 2023-11-01 DOI: 10.1007/s00040-023-00941-4

G. J. Thompson

引用次数: 0

Scientific note: behavioral dynamics of pollen storage in Melipona quadrifasciata 科学注记:四叶蜂花粉贮藏的行为动力学

3区农林科学

Insectes Sociaux Pub Date : 2023-11-01 DOI: 10.1007/s00040-023-00940-5

P. Miranda-Pinto, L. T. D. Cappelini, Y. R. Diogo, T. M. Francoy, M. M. Morais

引用次数: 0

Behavioral and morphological traits influencing variation in task performance of Camponotus vagus ants 行为和形态特征影响迷走田鼠任务表现的变化

3区农林科学

Insectes Sociaux Pub Date : 2023-10-30 DOI: 10.1007/s00040-023-00937-0

G. Trigos-Peral, I. E. Maák, P. Ślipiński, M. Witek

{"title":"Behavioral and morphological traits influencing variation in task performance of Camponotus vagus ants","authors":"G. Trigos-Peral, I. E. Maák, P. Ślipiński, M. Witek","doi":"10.1007/s00040-023-00937-0","DOIUrl":"https://doi.org/10.1007/s00040-023-00937-0","url":null,"abstract":"Abstract The colony performance of social insects is supported by an efficient allocation of tasks among workers in the colony. The division of labor among ant workers is linked to age and caste polyethism, however, only a few studies have shown the relationship between workers’ behavioral variation and task performance. In this study, we investigated the task syndrome by testing the relationship between behavioral traits with task performance and location switching (switching the performance of tasks from inside to outside the nest) in the same-age workers of Camponotus vagus ants. We also investigated the division of labor in workers with and without location switching by checking if each caste is characterized by specific behavioral traits or tasks. Moreover, we checked whether the difference in the worker’s body size and its lifespan can influence task performance. Our results support the existence of task syndrome in ant workers by showing how individuals with specific behavioral traits are more likely to perform specific tasks within the colony. Moreover, the time of location switching was correlated with the tasks performed by the workers ( brood care , selfgrooming and walking ) and their behavioral traits ( aggressiveness and total distance ). In addition, worker size and lifespan are shown to influence task performance by the workers. Altogether, our study underpins the relationship between the behavioral traits and the task allocation and performance of workers within an ant colony.","PeriodicalId":13573,"journal":{"name":"Insectes Sociaux","volume":"162 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136068100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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