Temporal Memory in Foraging of the Stingless Bee Melipona subnitida (Hymenoptera: Apidae: Meliponini)

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY
Albeane Guimarães Silva, G. C. Carvalho, Ana Catarina De Miranda, F. Contrera, M. Rêgo
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引用次数: 0

Abstract

Bees feed on nectar and pollen, however these resources are often available to floral visitors during restricted temporal windows. The presence of temporal memory is an advantage, as foragers can save energy by scheduling their flight activity to coincide with peaks of nectar secretion in the flowers or at times of higher sugar concentration in the nectar. Thus, the objectives of this study were (i) to investigate whether Melipona subnitida has temporal memory, and evaluate whether it becomes more accurate over the days, and (ii) to determine whether the behavior of anticipating the offered resource presents intra-individual consistency in the behavior of foragers. The visitation of the bees was high before and during the opening interval of the food resource, but rare after the closing, suggesting that M. subnitida has the ability to memorize the time of availability of the resource, increasing the accuracy over the days, with bees anticipating their visits in relation to the time they discovered the resource, and the opening time of the resource. There was individual consistency in the behavior of food-anticipatory activity, with the presence of bees that consistently anticipated in relation to the opening time of the resource (inspectors) and bees that consistently did not anticipate (reactivated forager) . By anticipating the search for a resource, foragers allow the group to exploit it effectively, as they exploit it in the first hours of its opening, and foragers that never anticipate avoid unnecessary risks of predation and energy expenditure.
无刺小蜂觅食的时间记忆(膜翅目:蜂科:小蜂科)
蜜蜂以花蜜和花粉为食,然而这些资源通常在有限的时间窗口内可供花卉访问者使用。时间记忆的存在是一种优势,因为觅食者可以通过将飞行活动安排在花蜜分泌高峰期或花蜜中糖浓度较高的时候来节省能量。因此,本研究的目的是:(i)调查黑貂是否具有时间记忆,并评估它是否随着时间的推移而变得更加准确;(ii)确定预期提供资源的行为是否在觅食者的行为中表现出个体内的一致性。在食物资源开启前和开启期间,蜜蜂的访视率都很高,但在食物资源关闭后,访视率却很低,这表明亚黑田蜂具有记忆食物资源可用时间的能力,随着时间的推移,蜜蜂会根据发现食物资源的时间和打开食物资源的时间来预测访视率,从而提高准确率。在食物预期活动的行为中存在个体一致性,蜜蜂的存在始终预期与资源打开时间(检查员)有关,蜜蜂的存在始终没有预期(重新激活觅食者)。通过预测对资源的搜索,觅食者允许群体有效地利用它,因为它们在资源开放的头几个小时内就开始利用它,而从不预测的觅食者避免了不必要的捕食和能量消耗风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Sociobiology
Sociobiology 生物-昆虫学
CiteScore
1.60
自引率
11.10%
发文量
28
审稿时长
3 months
期刊介绍: SOCIOBIOLOGY publishes high quality articles that significantly contribute to the knowledge of Entomology, with emphasis on social insects. Articles previously submitted to other journals are not accepted. SOCIOBIOLOGY publishes original research papers and invited review articles on all aspects related to the biology, evolution and systematics of social and pre-social insects (Ants, Termites, Bees and Wasps). The journal is currently expanding its scope to incorporate the publication of articles dealing with other arthropods that exhibit sociality. Articles may cover a range of subjects such as ecology, ethology, morphology, population genetics, physiology, toxicology, reproduction, sociobiology, caste differentiation as well as economic impact and pest management.
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