scholarly journals The Genome and Methylome of a Subsocial Small Carpenter Bee,Ceratina calcarata

2016 ◽  
Vol 8 (5) ◽  
pp. 1401-1410 ◽  
Author(s):  
Sandra M. Rehan ◽  
Karl M. Glastad ◽  
Sarah P. Lawson ◽  
Brendan G. Hunt
Keyword(s):  
Carpenter Bee ◽  
Ceratina Calcarata ◽  
Small Carpenter Bee

scholarly journals Diverse Diets with Consistent Core Microbiome in Wild Bee Pollen Provisions

Insects ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 499
Author(s):  
Rebecca M. Dew ◽  
Quinn S. McFrederick ◽  
Sandra M. Rehan
Keyword(s):  
Amplicon Sequencing ◽  
Floral Resources ◽  
Wild Bees ◽  
Pollination Services ◽  
Core Microbiome ◽  
Carpenter Bee ◽  
Wild Bee ◽  
Ceratina Calcarata ◽  
Plant Pollen ◽  
Small Carpenter Bee

Bees collect pollen from flowers for their offspring, and by doing so contribute critical pollination services for our crops and ecosystems. Unlike many managed bee species, wild bees are thought to obtain much of their microbiome from the environment. However, we know surprisingly little about what plant species bees visit and the microbes associated with the collected pollen. Here, we addressed the hypothesis that the pollen and microbial components of bee diets would change across the range of the bee, by amplicon sequencing pollen provisions of a widespread small carpenter bee, Ceratina calcarata, across three populations. Ceratina calcarata was found to use a diversity of floral resources across its range, but the bacterial genera associated with pollen provisions were very consistent. Acinetobacter, Erwinia, Lactobacillus, Sodalis, Sphingomonas and Wolbachia were among the top ten bacterial genera across all sites. Ceratina calcarata uses both raspberry (Rubus) and sumac (Rhus) stems as nesting substrates, however nests within these plants showed no preference for host plant pollen. Significant correlations in plant and bacterial co-occurrence differed between sites, indicating that many of the most common bacterial genera have either regional or transitory floral associations. This range-wide study suggests microbes present in brood provisions are conserved within a bee species, rather than mediated by climate or pollen composition. Moving forward, this has important implications for how these core bacteria affect larval health and whether these functions vary across space and diet. These data increase our understanding of how pollinators interact with and adjust to their changing environment.

scholarly journals Transcriptional profiling of overwintering gene expression in the small carpenter bee, Ceratina calcarata

Apidologie ◽  
2015 ◽  
Vol 47 (4) ◽  
pp. 572-582 ◽  
Author(s):  
Dusty R. Durant ◽  
Ali J. Berens ◽  
Amy L. Toth ◽  
Sandra M. Rehan
Keyword(s):  
Gene Expression ◽  
Transcriptional Profiling ◽  
Carpenter Bee ◽  
Ceratina Calcarata ◽  
Small Carpenter Bee

scholarly journals Biogenic amines shift during the pre-reproductive to reproductive transition in the small carpenter bee, Ceratina calcarata

Apidologie ◽  
2019 ◽  
Vol 50 (1) ◽  
pp. 90-99 ◽  
Author(s):  
Chelsea N. Cook ◽  
Sarah P. Lawson ◽  
Colin S. Brent ◽  
Sandra M. Rehan
Keyword(s):  
Biogenic Amines ◽  
Carpenter Bee ◽  
Ceratina Calcarata ◽  
Small Carpenter Bee

Replacement names for two small carpenter bees from India (Hymenoptera: Apidae, Ceratina)

2018 ◽  
Vol 154 (4) ◽  
pp. 296-298
Author(s):  
Michael S. Engel
Keyword(s):  
Carpenter Bee ◽  
Carpenter Bees ◽  
Small Carpenter Bee

Nomenclatorial corrections are provided for two cases of secondary homonymy within the small carpenter bee genus Ceratina Latreille (Apidae: Xylocopinae: Ceratinini). Images of female and male paratypes are included for Ceratina (Pithitis) apatela nom. nov. (formerly P. vechti Baker).

Cumulative effects of body size and social experience on aggressive behaviour in a subsocial bee

Behaviour ◽  
2016 ◽  
Vol 153 (12) ◽  
pp. 1365-1385 ◽  
Author(s):  
Jacob R. Withee ◽  
Sandra M. Rehan
Keyword(s):  
Social Evolution ◽  
Prior Experience ◽  
Social Systems ◽  
Social Rank ◽  
Social Experience ◽  
Physiological Traits ◽  
Dominance Hierarchies ◽  
Carpenter Bee ◽  
Hierarchy Formation ◽  
Ceratina Calcarata

Dominance hierarchies represent some of nature’s most rudimentary social structures, and aggression is key to their establishment in many animal species. Previous studies have focused on the relative influences of prior experience and physiological traits of individuals in determining social rank through aggression. Here we examine the behavioural potential for dominance hierarchy formation in the subsocial small carpenter bee, Ceratina calcarata. Both physiological traits and social experience were found to play partial roles in predicting future interactive behaviour in this species. Our results suggest that individual size is associated with dominance in initial encounters, while prior experience plays a larger role in predicting dominance in subsequent encounters. Social systems in the early stages of social evolution may well have followed these same predictive factors and these factors are key targets for future studies of social evolution and the behavioural origins of dominance hierarchies.

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