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Introduction: The COVID-19 pandemic impacted profoundly on the wellbeing and social interactions of the world population, and all dimensions of sexual health were potentially affected by globally implemented preventive measures., Objectives: The scoping review aimed to compile existing research investigating possible effects of COVID-19 lockdowns on adult sexual health, that is, sexual behavior, functioning, and satisfaction. Further, studies on the interplay between mental health and sexual well-being during the pandemic were reviewed., Methods: The review was conducted in accordance with guidelines established by the Joanna Briggs Institute and the Extension for Scoping Reviews (PRISMA-ScR) Checklist. On October 11-12, 2021, PubMed, Embase, PsycInfo, Cinahl, Cochrane, Sociological Abstracts and Scopus were systematically searched for relevant peer-reviewed papers employing quantitative methodology. Additionally, unpublished ("grey") research studies on the subject were retrieved. The screening, data extraction, and analysis of evidence were conducted by 4 independent reviewers using an iterative approach., Results: Based on 107 studies included, the scoping review showed that the pandemic had had a wide impact on all dimensions of sexual health. Except for solo sex activities, mainly negative COVID-19 implications were identified, although findings were, in sum, characterized by complexity and unpredictability. Thus, sexual behavior, functioning, and satisfaction during the pandemic appeared to be mitigated by a broad range of sociodemographic and contextual factors. Finally, sexual health seemed deeply entwined with overall mental health., Conclusion: The scoping review revealed a broad range of COVID-19-related effects on sexual health, including an overall decline in partnered sex and a concurrent increase in solo sex activities. It also emphasized a need for future research to shed light on possible long-term consequences of the pandemic in various population groups and on all aspects of sexual health., Competing Interests: Conflicts of interest: The authors report no conflicts of interest., (Copyright © 2022, International Society for Sexual Medicine. Published by Elsevier.)

Introduction: The COVID-19 pandemic impacted profoundly on the wellbeing and social interactions of the world population, and all dimensions of sexual health were potentially affected by globally implemented preventive measures., Objectives: The scoping review aimed to compile existing research investigating possible effects of COVID-19 lockdowns on adult sexual health, that is, sexual behavior, functioning, and satisfaction. Further, studies on the interplay between mental health and sexual well-being during the pandemic were reviewed., Methods: The review was conducted in accordance with guidelines established by the Joanna Briggs Institute and the Extension for Scoping Reviews (PRISMA-ScR) Checklist. On October 11-12, 2021, PubMed, Embase, PsycInfo, Cinahl, Cochrane, Sociological Abstracts and Scopus were systematically searched for relevant peer-reviewed papers employing quantitative methodology. Additionally, unpublished ("grey") research studies on the subject were retrieved. The screening, data extraction, and analysis of evidence were conducted by 4 independent reviewers using an iterative approach., Results: Based on 107 studies included, the scoping review showed that the pandemic had had a wide impact on all dimensions of sexual health. Except for solo sex activities, mainly negative COVID-19 implications were identified, although findings were, in sum, characterized by complexity and unpredictability. Thus, sexual behavior, functioning, and satisfaction during the pandemic appeared to be mitigated by a broad range of sociodemographic and contextual factors. Finally, sexual health seemed deeply entwined with overall mental health., Conclusion: The scoping review revealed a broad range of COVID-19-related effects on sexual health, including an overall decline in partnered sex and a concurrent increase in solo sex activities. It also emphasized a need for future research to shed light on possible long-term consequences of the pandemic in various population groups and on all aspects of sexual health. Toldam NE, Graugaard C, Meyer R, et al. Sexual Health During COVID-19: A Scoping Review. Sex Med Rev 2022;10:714-753., (Copyright © 2022 International Society for Sexual Medicine. Published by Elsevier Inc. All rights reserved.)

Recognition of group-members is a key feature of sociality. Ants use chemical communication to discriminate nestmates from intruders, enhancing kin cooperation and preventing parasitism. The recognition code is embedded in their cuticular chemical profile, which typically varies between colonies. We predicted that ants might be capable of accurate recognition in unusual situations when few individuals interact repeatedly, as new colonies started by two to three queens. Individual recognition would be favoured by selection when queens establish dominance hierarchies, because repeated fights for dominance are costly; but it would not evolve in absence of hierarchies. We previously showed that Pachycondyla co-founding queens, which form dominance hierarchies, have accurate individual recognition based on chemical cues. Here, we used the ant Lasius niger to test the null hypothesis that individual recognition does not occur when co-founding queens do not establish dominance hierarchies. Indeed, L. niger queens show a similar level of aggression towards both co-foundresses and intruders, indicating that they are unable of individual recognition, contrary to Pachycondyla. Additionally, the variation in chemical profiles of Lasius and Pachycondyla queens is comparable, thus informational constraints are unlikely to apply. We conclude that selection pressure from the social context is of crucial significance for the sophistication of recognition systems.