Isolation disrupts social interactions and destabilizes brain development in bumblebees

Wang, Z. Yan; McKenzie‐Smith, Grace C.; Liu, Weijie; Cho, Hyo Jin; Pereira, Talmo; Dhanerawala, Zahra M.; Shaevitz, Joshua W.; Kocher, Sarah D.

doi:10.1016/j.cub.2022.04.066

Cited by 22 publications

(28 citation statements)

References 85 publications

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“…Methods in automated tracking of behavior have been applied by scientists studying neurobiological mechanisms of animal movement and pose, collective behavior, and social interactions [32][33][34][35]. Automated tracking studies of insects are often carried out in controlled environments, which is feasible when the behavior of interest is robust to laboratory conditions.…”

Section: Discussionmentioning

confidence: 99%

Postural analysis reveals persistent vigilance in paper wasps after conspecific challenge

Legan

Vogt

Sheehan

2022

Preprint

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Vigilant animals detect and respond to threats in the environment, often changing posture and movement patterns. In social animals vigilance is modulated not only by predators but also by threatening conspecifics. Precisely how social interactions alter vigilance behavior over time is not well understood. We report persistent effects of a simulated social challenge on the vigilance behavior of wild northern paper wasp foundresses, Polistes fuscatus. During the founding phase of the colony cycle conspecific wasps may usurp nests from the resident foundress, representing a severe threat. Using postural tracking, we found that after simulated intrusions wasps displayed increased vigilance during the minutes after the threat was removed. Sustained vigilance elicited after social threat manifested as increased movement, greater bilateral wing extension, and reduced antennal separation. However, no postural changes were observed after a control stimulus presentation. By rapidly adjusting individual vigilance behavior after fending off a conspecific intruder, paper wasp foundresses invest in surveillance of potential social threats, even when such threats are no longer immediately present. The prolonged state of vigilance observed here is relevant to plasticity of recognition processes as a result of conspecific threats.

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Section: Discussionmentioning

confidence: 99%

Postural analysis reveals persistent vigilance in paper wasps after conspecific challenge

Legan

Vogt

Sheehan

2022

Preprint

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“…In parallel, NAPS users can take advantage of the flexibility of SLEAP, including the ability of end users to specify the nodes to track and capture previously elusive behaviors. (Wang et al, 2022). Instances of overlap between the antennal zone of the focal bee and the antennal (ant), body, or abdominal (abd) edges of the convex hull target bee are counted as touches.…”

Section: Code and Documentationmentioning

confidence: 99%

“…Bumblebees can gain access to different chemical cues by antennating on different locations, and we can observe the time series of different modes of antennation (to the antennae, body, or abdomen) for a focal bee interacting with other bees in the arena (Figure 5c). By normalizing these interactions by their likelihood (Wang et al, 2022), we find that the antennae-antennae mode of touching is preferred in this large group of ∼50 interacting bees (Figure 5d). This granular measure of an important behavior demonstrates how NAPS can extend the capacity of behavioral tracking platforms by quantifying pre-viously difficult-to-measure behaviors of individuals in dense groups far larger than previously accessible.…”

Section: Introductionmentioning

confidence: 99%

“…The SLEAP coordinates of the antennal tips of two bees are plotted for 250 frames (12.5 seconds), providing spatiotemporal information about a single social interaction. b Schematic of antennal touch identifier (Wang et al, 2022). Instances of overlap between the antennal zone of the focal bee and the antennal (ant), body, or abdominal (abd) edges of the convex hull target bee are counted as touches.…”

Section: Introductionmentioning

confidence: 99%

“…d Normalized touch scores across all bees with unique identities in all three sample videos (n=43 workers, one queen). For each touch category, the proportion of all touches for a given target bee, averaged across each video, is normalized to account for the different sizes of each body region and plotted by touch category (Wang et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

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NAPS: Integrating pose estimation and tag-based tracking

Wolf

Ruttenberg

Knapp

et al. 2022

Preprint

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Significant advances in computational ethology have allowed for the quantification of behavior in unprecedented detail. Tracking animals in social groups, however, remains challenging as most existing methods can either capture pose or robustly retain individual identity over time but not both. This problem directly limits the study of social behavior. To capture finely resolved behaviors while maintaining individual identity, we built NAPS (NAPS is ArUco Plus SLEAP), a hybrid tracking framework that combines state-of-the-art, deep learning-based methods for pose estimation (SLEAP) with unique markers for identity persistence (ArUco). We show that this framework allows the exploration of the social dynamics of the common eastern bumblebee (Bombus impatiens). We provide a stand-alone Python package for implementing this framework along with detailed documentation to allow for easy utilization and expansion. We show that NAPS can scale to long timescale experiments at a high frame rate and that it enables the investigation of detailed behavioral variation within individuals in a group. Expanding the toolkit for capturing the constituent behaviors of social groups is essential for understanding the structure and dynamics of social networks. NAPS provides a key tool for capturing these behaviors and can provide critical data for understanding how individual variation influences collective dynamics.

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Postural analysis reveals persistent changes in paper wasp foundress behavioral state after conspecific challenge

Legan,

Vogt,

Sheehan

2023

Ecology and Evolution

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Vigilant animals detect and respond to threats in the environment, often changing posture and movement patterns. Vigilance is modulated not only by predators but also by conspecific threats. In social animals, precisely how conspecific threats alter vigilance behavior over time is relevant to long‐standing hypotheses about social plasticity. We report persistent effects of a simulated conspecific challenge on behavior of wild northern paper wasp foundresses, Polistes fuscatus. During the founding phase of the colony cycle, conspecific wasps can usurp nests from the resident foundress, representing a severe threat. We used automated tracking to monitor the movement and posture of P. fuscatus foundresses in response to simulated intrusions. Wasps displayed increased movement, greater bilateral wing extension, and reduced antennal separation after the threat was removed. These changes were not observed after presentation with a wooden dowel. By rapidly adjusting individual behavior after fending off an intruder, paper wasp foundresses might invest in surveillance of potential threats, even when such threats are no longer immediately present. The prolonged vigilance‐like behavioral state observed here is relevant to plasticity of social recognition processes in paper wasps.

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Isolation disrupts social interactions and destabilizes brain development in bumblebees

Cited by 22 publications

References 85 publications

Postural analysis reveals persistent vigilance in paper wasps after conspecific challenge

Postural analysis reveals persistent vigilance in paper wasps after conspecific challenge

NAPS: Integrating pose estimation and tag-based tracking

Postural analysis reveals persistent changes in paper wasp foundress behavioral state after conspecific challenge

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