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Nourishment And Evolution In Insect Societies
A history of nutritional theories, review of trophallaxis and overview of the contents of the book, J.H. Hunt and C.A. Napela nourishment and the evolution of paternal care in subsocial anthropods,…
A diapause pathway underlies the gyne phenotype in Polistes wasps, revealing an evolutionary route to caste-containing insect societies
TLDR
It is shown that two signatures of diapause characterize the development of gyne offspring in Polistes metricus, which challenges the view that workers and gynes represent behavior options equally available to every female offspring and exemplifies how social insect castes can evolve from casteless lineages.
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Wasp Gene Expression Supports an Evolutionary Link Between Maternal Behavior and Eusociality
TLDR
Wasp brain gene expression in workers was more similar to that in foundresses, which show maternal care, than to thatIn queens and gynes, which do not, suggesting that the evolution of eusociality involved major nutritional and reproductive pathways.
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Multigene phylogeny reveals eusociality evolved twice in vespid wasps
TLDR
A phylogeny of Vespidae based on data from four nuclear gene fragments and representatives from all six extant subfamilies indicates two independent origins of vespid eusociality, once in the clade Polistinae+Vespinae andonce in the Stenogastrinae.
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The Evolution of Social Wasps
The Evolution of Social Wasps resolves one of evolution's most intriguing problems - the origin of insect sociality. It also challenges conceptual approaches that have dominated three decades of…
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Bivoltinism as an Antecedent to Eusociality in the Paper Wasp Genus Polistes
TLDR
An explanatory framework for caste evolution in the eusocial wasp genus Polistes (Vespidae) is presented and it is shown that this mechanistic framework can reproduce colony-level characteristics of Poliste and that social castes can emerge from solitary regulatory pathways.
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Comparative transcriptomics of convergent evolution: different genes but conserved pathways underlie caste phenotypes across lineages of eusocial insects.
TLDR
Overall, the first comparative transcriptome-wide analysis of caste determination among three major hymenopteran social lineages found few shared caste differentially expressed transcripts across the threeSocial lineages, but there is substantially more overlap at the levels of pathways and biological functions.
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Lipid stores, ovary development, and brain gene expression in Polistes metricus females
TLDR
It is shown that it is possible to assign P. metricus females to one of the four female groups on the basis of wing wear, lipid stores, and ovary development, which can facilitate caste-specific collections for future studies.
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Evolution of castes in Polistes
TLDR
The proposed worker and gyne castes among offspring of a Polistes colony are based on the underlying ground plan of reproductive physiology that would have characterized the non-diapause and diapause generations of a bivoltine solitary vespid wasp, which is in discord with the currently accepted classification of Vespidae.
Differential Gene Expression and Protein Abundance Evince Ontogenetic Bias toward Castes in a Primitively Eusocial Wasp
TLDR
hypotheses of 1) larval developmental pathway divergence that can lead to caste bias in adults and 2) nutritional differences as the foundation of the pathway divergence are supported.
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