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ViewAttendees 7

10-Minute Paper

Systematics, Evolution, and Biodiversity

SysEB: Evolution and Phylogenetics 2

Assessing parasitoidism strategies and associated life history traits as promoters of diversification rate shifts in the parasitoid wasp family Braconidae

Wednesday, November 8, 2023
1:42 PM – 1:54 PM ET
Location: Gaylord National Resort & Convention Center, National Harbor 2
In-Person
Some biological and ecological attributes have a significant evolutionary impact on lineages, triggering speciation and thus influencing diversification rates. The study of how specific features influence diversification rates is particularly interesting in megadiverse groups. Within Insecta, the order Hymenoptera has perhaps the greatest species richness mainly due to the extraordinary diversity found among the parasitoid wasps. The parasitoid wasps of the family Braconidae represent one of the most diverse of all parasitoid wasp lineages in terms of life history strategies and associated traits. Within this family there are marked differences in species richness among its lineages (e.g. some subfamilies having fewer than 50, others a few hundred, and yet others with more than 3,000 described species). Understanding the evolutionary history of parasitoidism strategies (ecto- and endoparasitoidism, koino- and idiobiosis) and their associated traits such as host use, viral endogenization and host mummification has been a common theme in braconid-related research; nevertheless, whether and how parasitoidism strategies could influence diversification rates among braconid clades remains unexplored. Here we provide the largest time-calibrated phylogeny of Braconidae based on genomic ultra-conconserved element data (UCEs) to investigate the possible correlation of biological traits with diversification within the family.