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A Comprehensive Phylogeny of Beetles Reveals the Evolutionary Origins of a Superradiation
TLDR
The phylogeny of Coleoptera found that the success of beetles is explained neither by exceptional net diversification rates nor by a predominant role of herbivory and the Cretaceous rise of angiosperms, suggesting that beetle species richness is due to high survival of lineages and sustained diversification in a variety of niches.
Accelerated species inventory on Madagascar using coalescent-based models of species delineation.
TLDR
A modified GMYC model is developed that allows for a variable transition from coalescent to speciation among lineages and provides a method of species discovery and biodiversity assessment using single-locus data from mixed or environmental samples while building a globally available taxonomic database for future identifications.
The Effect of Geographical Scale of Sampling on DNA Barcoding
TLDR
A CO1 data set of aquatic predaceous diving beetles of the tribe Agabini is presented and it is shown that even if samples are collected to maximize the geographical coverage, up to 70 individuals are required to sample 95% of intraspecific variation, showing that the geographical scale of sampling has a critical impact on the global application of DNA barcoding.
The evolution and genomic basis of beetle diversity
TLDR
Beetles diversity appears to have resulted from multiple factors, including low extinction rates over a long evolutionary history, codiversification with angiosperms, and adaptive radiations of specialized herbivorous beetles following convergent horizontal transfers of microbial genes encoding PCWDEs.
A comprehensive DNA barcode database for Central European beetles with a focus on Germany: adding more than 3500 identified species to BOLD
TLDR
This study provides the globally largest DNA barcode reference library for Coleoptera for 15 948 individuals belonging to 3514 well‐identified species (53% of the German fauna) with representatives from 97 of 103 families with a focus on Germany.
Determining species boundaries in a world full of rarity: singletons, species delimitation methods.
TLDR
It is argued that all existing techniques need to be modified to accommodate the commonness of rarity and that all future techniques should be explicit about how rare species can be discovered and treated.
Global diversity of water beetles (Coleoptera) in freshwater
TLDR
It is estimated that about 18,000 species of aquatic Coleoptera are roaming the earth at present, and about 12,600 (70%) of these are already described (deadline: October 2005).
DNA-based species delineation in tropical beetles using mitochondrial and nuclear markers
TLDR
The results suggest that DNA-assisted taxonomy will not require more than a short fragment of mtDNA to provide a largely accurate picture of species boundaries in these groups, and that clusters of close relatives can be identified readily in the sequence variation obtained in field collected samples.
Discovery of Aspidytidae, a new family of aquatic Coleoptera
TLDR
A new scenario for the evolution of swimming behaviour in adephagan beetles is proposed, in which the transition into the aquatic environment is followed by complex and repeated changes in lifestyles, including the secondary complete loss of swimming ability in Aspidytidae.
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