Insectes Sociaux最新文献_第5页

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

Molecular mechanisms of task allocation in workers of the red imported fire ant, Solenopsis invicta 红火蚁工蚁任务分配的分子机制

3区农林科学

Insectes Sociaux Pub Date : 2023-10-25 DOI: 10.1007/s00040-023-00939-y

J. Starkey, C. Tamborindeguy

引用次数: 0

Ant colonies explore novel environments with more slower, curvier walks, particularly near the nest 蚁群以更慢、更弯曲的行走方式探索新的环境，尤其是在蚁巢附近

3区农林科学

Insectes Sociaux Pub Date : 2023-10-17 DOI: 10.1007/s00040-023-00938-z

Stefan Popp, Anna Dornhaus

引用次数: 0

Honey bees perform fine-scale detailing that continuously reduces comb area after nest expansion 蜜蜂进行精细的细节处理，不断减少蜂巢扩张后的蜂巢面积