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Sequence-based species delimitation for the DNA taxonomy of undescribed insects.
Cataloging the very large number of undescribed species of insects could be greatly accelerated by automated DNA based approaches, but procedures for large-scale species discovery from sequence data
A Comprehensive Phylogeny of Beetles Reveals the Evolutionary Origins of a Superradiation
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.
Winding up the molecular clock in the genus Carabus (Coleoptera: Carabidae): assessment of methodological decisions on rate and node age estimation
The combination of several genes is proposed as the best strategy to minimise both the idiosyncratic behaviors of individual markers and the effect of analytical aspects in rate and age estimations as well as other methodological issues potentially affecting rate estimation.
Recalibrated Tree of Leaf Beetles (Chrysomelidae) Indicates Independent Diversification of Angiosperms and Their Insect Herbivores
Chrysomelid beetles likely radiated long after the origin of their host lineages and their diversification was driven by repeated radiaton on a pre-existing diverse resource, rather than ancient host associations.
The evolutionary history of the genus Timarcha (Coleoptera, Chrysomelidae) inferred from mitochondrial COII gene and partial 16S rDNA sequences.
Relation between phylogeny and host-plant use indicates widening of trophic regime as a derived character in Timarcha, and no clear monophyletic grouping of Timarchostoma and TimarchA s.
DNA barcoding insect–host plant associations
It is demonstrated that plant barcoding is already feasible with the current publicly available data and strong physical evidence for the host association is provided by sequencing plant barcodes directly from DNA extractions made from herbivorous beetles.
Multilocus ribosomal RNA phylogeny of the leaf beetles (Chrysomelidae)
The study highlights the need for thorough taxon sampling, and reveals that morphological data affected by convergence had a great impact when combined with molecular data in previous phylogenetic analyses of Chrysomelidae.
DNA profiling of host–herbivore interactions in tropical forests
1. The diversity of insects in tropical forests remains poorly known, in particular regarding the critical feeding associations of herbivores, which are thought to drive species richness in these
Sequence, secondary structure and phylogenetic analyses of the ribosomal internal transcribed spacer 2 (ITS2) in the Timarcha leaf beetles (Coleoptera: Chrysomelidae)
Internal transcribed spacer 2 sequences of the nuclear rDNA in forty‐seven specimens (thirty‐four species) of the leaf beetle genus Timarcha have been studied, confirming the basality of the Metallotimarcha subgenus and the absence of phylogenetic support for the Timarchostoma sub genus.