Search Results - "NICHOLLS, JAMES A"
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Coevolutionary arms race versus host defense chase in a tropical herbivore–plant system
Published in Proceedings of the National Academy of Sciences - PNAS (05-09-2017)“…Coevolutionary models suggest that herbivores drive diversification and community composition in plants. For herbivores, many questions remain regarding how…”
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2
Sweet Tetra-Trophic Interactions: Multiple Evolution of Nectar Secretion, a Defensive Extended Phenotype in Cynipid Gall Wasps
Published in The American naturalist (01-01-2017)“…Many herbivores employ reward-based mutualisms with ants to gain protection from natural enemies. We examine the evolutionary dynamics of a tetra-trophic…”
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3
Using targeted enrichment of nuclear genes to increase phylogenetic resolution in the neotropical rain forest genus Inga (Leguminosae: Mimosoideae)
Published in Frontiers in plant science (17-09-2015)“…Evolutionary radiations are prominent and pervasive across many plant lineages in diverse geographical and ecological settings; in neotropical rainforests…”
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Reconstructing Community Assembly in Time and Space Reveals Enemy Escape in a Western Palearctic Insect Community
Published in Current biology (20-03-2012)“…How geographically widespread biological communities assemble remains a major question in ecology [1–4]. Do parallel population histories allow sustained…”
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5
New species of Dryocosmus Giraud gallwasps from California (Hymenoptera: Cynipidae: Cynipini) galling Chrysolepis Hjelmq. (Fagaceae)
Published in Zootaxa (19-12-2018)“…Four species of Dryocosmus cynipid gallwasps are now known to induce galls on Chrysolepis in California and Oregon. Two new species, Dryocosmus demartinii…”
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Current status of the oak gallwasp (Hymenoptera: Cynipidae: Cynipini) fauna of the Eastern Palaearctic and Oriental Regions
Published in Zootaxa (12-06-2018)“…Cynipid gallwasps comprise 1364 species worldwide, predominantly in temperate regions of the Holarctic. The vast majority of recorded species are from the…”
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Plastid phylogenomics reveals evolutionary relationships in the mycoheterotrophic orchid genus Dipodium and provides insights into plastid gene degeneration
Published in Frontiers in plant science (13-06-2024)“…The orchid genus R.Br. (Epidendroideae) comprises leafy autotrophic and leafless mycoheterotrophic species, with the latter confined to sect. . This study…”
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Description of the sexual generation of Dryocosmus destefanii (Hymenoptera: Cynipidae: Cynipini) and disclosure of its life cycle
Published in Zootaxa (20-02-2020)“…The sexual generation of Dryocosmus destefanii Cerasa Melika, 2018 that emerges from galls on Q. suber L. in Italy is described for the first time,…”
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Tournament ABC analysis of the western Palaearctic population history of an oak gall wasp, Synergus umbraculus
Published in Molecular ecology (01-12-2017)“…Approximate Bayesian computation (ABC) is a powerful and widely used approach in inference of population history. However, the computational effort required to…”
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Extreme Host Plant Conservatism During at Least 20 Million Years of Host Plant Pursuit by Oak Gallwasps
Published in Evolution (01-04-2009)“…Diversification of insect herbivores is often associated with coevolution between plant toxins and insect countermeasures, resulting in a specificity that…”
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Chemocoding as an identification tool where morphological- and DNA-based methods fall short: Inga as a case study
Published in The New phytologist (01-04-2018)“…The need for species identification and taxonomic discovery has led to the development of innovative technologies for large-scale plant identification. DNA…”
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Tracking of Host Defenses and Phylogeny During the Radiation of Neotropical Inga -Feeding Sawflies (Hymenoptera; Argidae)
Published in Frontiers in plant science (23-08-2018)“…Coevolutionary theory has long predicted that the arms race between plants and herbivores is a major driver of host selection and diversification. At a local…”
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Life History, Natural Enemies, and Management of Disholcaspis quercusvirens (Hymenoptera: Cynipidae) on Live Oak Trees
Published in Journal of economic entomology (01-08-2013)“…Live oak (Quercus virginiana Mill.) trees are hosts to a complex of gall making arthropods. However, the bullet galls produced by the asexual generation of the…”
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Developing EPIC markers for chalcidoid Hymenoptera from EST and genomic data
Published in Molecular ecology resources (01-05-2011)“…Increasing numbers of phylogeographic studies make comparative inferences about the histories of co-distributed species. Although the aims of such studies are…”
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Faecal metabarcoding reveals pervasive long-distance impacts of garden bird feeding
Published in Proceedings of the Royal Society. B, Biological sciences (26-05-2021)“…Supplementary feeding of wildlife is widespread, being undertaken by more than half of households in many countries. However, the impact that these…”
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Community impacts of anthropogenic disturbance: natural enemies exploit multiple routes in pursuit of invading herbivore hosts
Published in BMC evolutionary biology (23-10-2010)“…Biological invasions provide a window on the process of community assembly. In particular, tracking natural enemy recruitment to invading hosts can reveal the…”
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A new genus of oak gallwasp, Protobalandricus Melika, Nicholls Stone (Hymenoptera: Cynipidae: Cynipini) from California
Published in Zootaxa (07-09-2018)“…We describe a new genus of cynipid oak gallwasp, Protobalandricus Melika, Nicholls Stone (Hymenoptera: Cynipidae: Cynipini). Protobalandricus gen. nov…”
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Gradients in richness and turnover of a forest passerine's diet prior to breeding: A mixed model approach applied to faecal metabarcoding data
Published in Molecular ecology (01-03-2020)“…Rather little is known about the dietary richness and variation of generalist insectivorous species, including birds, due primarily to difficulties in prey…”
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Corrigendum: Patterns of diversification amongst tropical regions compared: a case study in Sapotaceae
Published in Frontiers in genetics (05-03-2015)“…[This corrects the article on p. 362 in vol. 5, PMID: 25520736.]…”
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PERCHED AT THE MITO-NUCLEAR CROSSROADS: DIVERGENT MITOCHONDRIAL LINEAGES CORRELATE WITH ENVIRONMENT IN THE FACE OF ONGOING NUCLEAR GENE FLOW IN AN AUSTRALIAN BIRD
Published in Evolution (01-12-2013)“…Relationships among multilocus genetic variation, geography, and environment can reveal how evolutionary processes affect genomes. We examined the evolution of…”
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