R. Pellens

Publications52
h-index17
Citations965
Highly Influential Citations59
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Phylogeny of Dictyoptera: Dating the Origin of Cockroaches, Praying Mantises and Termites with Molecular Data and Controlled Fossil Evidence
TLDR
The authors' datings suggest that crown-Dictyoptera—and stem-mantises—would date back to the Late Carboniferous, a result compatible with the oldest putative fossil of stem-dictyopteran suborders, and suggests a scenario of replacement in carnivory among polyneopterous insects.
Evolution on a shaky piece of Gondwana: is local endemism recent in New Caledonia?
TLDR
A molecular phylogenetic approach is used to answer the question of whether the diversification of the Neocaledonian cockroach genus Angustonicus belonging to the subfamily Tryonicinae from Australia and New Caledonia is less than two million years old or recent diversifications after Tertiary geological catastrophic events.
Biodiversity Sampling Using a Global Acoustic Approach: Contrasting Sites with Microendemics in New Caledonia
TLDR
The hypothesis that global acoustic analyses can detect acoustic differences between sites with similar species richness and similar ecological context, but with different species assemblages is supported.
Evaluation of soil conditions in fast-growing plantations of Eucalyptus grandis and Acacia mangium in Brazil: a contribution to the study of sustainable land use
The evolutionary transition from subsocial to eusocial behaviour in Dictyoptera: phylogenetic evidence for modification of the "shift-in-dependent-care" hypothesis with a new subsocial cockroach.
The genus Cryptocercus in East Asia : distribution and new species (Insecta, Dictyoptera, Blattaria, Polyphagidae)
TLDR
Morphological features of these species, including spine numbers on femora, pronotum shape, and genitalia structure, show a wide range of variation among species, larger indeed than among North American species.
Outstanding micro-endemism in New Caledonia: More than one out of ten animal species have a very restricted distribution range
TLDR
It is shown that, although only 52% of species were sampled adequately enough to determine their distribution range, the number of species with a very narrow distribution range was still high, indicating that at least 116 species are probably critically endangered in this archipelago.
Updating the Phylogenetic Dating of New Caledonian Biodiversity with a Meta-analysis of the Available Evidence
TLDR
A meta-analysis of 40 studies dating regional clades of diverse organisms suggests that these clades could have extinct members either on vanished islands or nearby continents, emphasizing the role of dispersal and extinction in shaping the present-day biota.
Electron microscopic identification of the intestinal protozoan flagellates of the xylophagous cockroach Parasphaeria boleiriana from Brazil
TLDR
Flagellate protozoa of the hindgut of the xylophagous blattid Parasphaeria boleiriana were examined and it was found that none of the flagellates contained wood fragments in their food vacuoles and so evidently do not participate in the digestion of wood or cellulose.
Edaphic macroarthropod communities in fast-growing plantations of Eucalyptus grandis Hill ex Maid (Myrtaceae) and Acacia mangium Wild (Leguminosae) in Brazil
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