Multifemale nests and social behavior in Euglossa melanotricha (Hymenoptera, Apidae, Euglossini)

Nascimento, Fábio Santos do; Andrade-Silva, Aline Candida Ribeiro

doi:10.3897/jhr.26.1957

Cited by 20 publications

(5 citation statements)

References 31 publications

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“…This common behaviour trait developed by young bees seems to maximize resin use inside the nest. In contrast to primitively eusocial orchid bees there was no evidence for the presence of a single dominant female as seen for Euglossa atroveneta Dressler, 1978(Ramirez-Arriaga et al, 1996, E. fimbriata and Euglossa cordata Linnaeus, 1758 (Augusto & Garófalo, 2009;2010, respectively) and E. melanotricha (Andrade-Silva & Nascimento, 2012;Andrade et al, 2016) neither for the presence of a subordinated female specialized in guarding the nest entrance as reported for Euglossa viridissima Friese, 1899 (Boff et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

“…Nevertheless it is not always easy to assign hierarchies for totipotent females since they can present a cryptic hierarchy (Bang & Gadagkar, 2012). Furthermore in many totipotent social Hymenoptera species, both queen-like and worker-like females are breeders (Andrade-Silva & Nascimento, 2012;Schwarz et al, 2007) and they both mate and produce offspring (sons and daughters) hence as the relatedness in the colony decreases, nestmates face more reproductive competition (Langer et al, 2004). Thus, competition and aggression between nestmates is often a mechanism used to achieve dominance on hierarchical societies (Bang & Gadagkar, 2015).…”

Section: Research Article -Beesmentioning

confidence: 99%

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Multiple Aggressions Among Nestmates Lead to Weak Dominance Hampering Primitively Eusocial Behaviour in an Orchid Bee

Boff¹,

Saito²,

Santos³

2017

Sociobiology

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Reproductive conflict expressed as aggression is common in social Hymenoptera. In eusocial species, as in honeybees, several mechanisms alleviate the conflicts and reduce aggressive interactions. Unlike their sister group, the orchid bees do not exhibit eusociality. Instead, most of the species seem to have lost sociality and some species have retained vestigial social behaviour. In the current study we investigated the aggressive interactions of females of Euglossa annectans Dressler through five generations of phylopatry and reuse of the natal nest. Although network analysis indicates that central individuals, those with more interactions, were more commonly the aggressors and others were more commonly the recipients, multiple attacks and several potential dominant female within the nest indicated a labile sociality. This suggests that there is an unstable social hierarchy in the species. Euglossa annectans, despite having overlapping generations, during which several individuals share a nest, there is no division of labour into reproductive and interactions are often competitive. Aggressive behaviours conducted by multiple fertile females were often followed by egg, larvae or pupae replacement.

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Section: Discussionmentioning

confidence: 99%

Section: Research Article -Beesmentioning

confidence: 99%

Multiple Aggressions Among Nestmates Lead to Weak Dominance Hampering Primitively Eusocial Behaviour in an Orchid Bee

Boff¹,

Saito²,

Santos³

2017

Sociobiology

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“…Another carpenter bee, Xylocopa sonorina, also forms social groups comprised mostly of unrelated individuals (Ostwald et al, 2021a, this issue). Accumulating behavioral evidence suggests that some euglossine bees are facultatively social, forming social groups that resemble reproductive queues and which may include nonkin (Nascimento and Andrade-Silva, 2012). Recent phylogenetic evidence suggests that societies based on reproductive queues in which subordinates wait for their own reproductive opportunities could represent an early stage in evolutionary transitions to caste-based sociality, in which subordinates, sacrifice their own reproduction to aid kin (Schwarz et al, 2011;Richards, 2019).…”

Section: Unrelated Females Form Breeding Groupsmentioning

confidence: 99%

Competition Drives Group Formation and Reduces Within Nest Relatedness in a Facultatively Social Carpenter Bee

Vickruck

Richards

2021

Front. Ecol. Evol.

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Animals respond to competition among kin for critical breeding resources in two ways: avoidance of direct fitness costs via dispersal of siblings to breed separately, and formation of kin-based societies in which subordinates offset direct fitness costs of breeding competition via altruism and increased indirect fitness. In the facultatively social eastern carpenter bee, nests are a critical breeding resource in perpetually short supply, leading to strong competition among females. Observations of individually marked and genotyped females in conditions of high and low resource competition demonstrate that competition leads to resource sharing and group nesting. However, in contrast to almost all known animal societies, females avoid nesting with relatives, and disperse from their natal nests to join social groups of non-relatives. This is the first example of a structured insect society with cooperation nestmates, the majority of which are unrelated; thus cooperation is more likely based on selection for direct, rather than indirect fitness. By forming social groups of non-kin, females avoid the indirect fitness costs of kin competition among sisters, yet increase their chances of successful reproduction, and thus direct fitness, when forming colonies of non-relatives.

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“…(< 20%) has their nests described in some detail (Dressler, 1982;Kimsey, 1982;Garófalo, 1985Garófalo, , 1992Garófalo et al, 1998;Cameron, 2004). The genus Euglossa is the best-studied group and probably the most interesting taxon for sociobiological investigation in Euglossini, with the nesting behavior described for at least six species (Garófalo, 1985(Garófalo, , 1992Augusto & Garófalo, 2009;Andrade-Silva & Nascimento, 2012). The interest on this genus is largely explained by the usual occurrence of multifemale nests (MFN) with some overlap of generations and task allocation with reproductive dominance (Augusto & Garófalo, 2009.…”

Section: Fascinating Behavioral Variation and The Need Of Comparativementioning

confidence: 99%

Investigating Eusociality in Bees while Trusting the Uncertainty

Almeida¹,

Porto²

2014

Sociobiology

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particularly with Apis mellifera Linnaeus, 1758 -the honeybee. This has long been a species with close proximity of mankind (the species of Apis are distributed all over the Old World), with economic interest because of honey production (pollination became a hotly debated topic more recently, e.g., Oldroyd, 2007; Cameron et al., 2010; Potts et al., AbstractPhylogenetic hypotheses and estimates of divergence times have already been used to investigate the evolution of social behavior in all lineages of bees. The interpretation of the number of origins of eusocial behavior and the timing of these events depends on reliable phylogenetic hypotheses for the clades in which these lineages are nested. Three to six independent origins of eusocial behavior are interpreted to have occurred in bee taxa that differentiated in the Late Cretaceous, or much later in the Paleogene. Only two groups of bees exhibit the behaviors that qualify their members to be considered obligate (i.e. 'fixed-caste') eusocial, the honey bees (Apini) and the stingless bees (Meliponini). The evolutionary history of corbiculate bees remains uncertain in many respects, but phylogenetic research has been paving the path for comprehensive comparative approaches likely to shed light on the origin of diversity of forms and behaviors of these bees. In total, corbiculate bees encompass about 1,000 species, roughly 5% of the described species diversity of bees. These bees are rather heterogeneous in terms of social organization, particularly stingless bees and orchid bees, which display a fascinating range of behavioral variation. Using phylogenetic tools, it has been possible to infer that caste polymorphism, division of labor and other traits of corbiculate bees probably started evolving over 80 million years ago. Phylogenetic hypotheses must be interpreted as more or less uncertain scenarios for studying the biological diversity, but when trusted they can provide powerful tools to investigate the evolution of social behaviors.

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Multifemale nests and social behavior in Euglossa melanotricha (Hymenoptera, Apidae, Euglossini)

Cited by 20 publications

References 31 publications

Multiple Aggressions Among Nestmates Lead to Weak Dominance Hampering Primitively Eusocial Behaviour in an Orchid Bee

Multiple Aggressions Among Nestmates Lead to Weak Dominance Hampering Primitively Eusocial Behaviour in an Orchid Bee

Competition Drives Group Formation and Reduces Within Nest Relatedness in a Facultatively Social Carpenter Bee

Investigating Eusociality in Bees while Trusting the Uncertainty

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