Thomas Chouvenc

ORCID: 0000-0003-3154-2489
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About
Contact & Profiles
Research Areas
  • Insect and Arachnid Ecology and Behavior
  • Plant and animal studies
  • Insect and Pesticide Research
  • Animal Behavior and Reproduction
  • Entomopathogenic Microorganisms in Pest Control
  • Plant Parasitism and Resistance
  • Insect symbiosis and bacterial influences
  • Neurobiology and Insect Physiology Research
  • Animal and Plant Science Education
  • Species Distribution and Climate Change
  • Evolutionary Game Theory and Cooperation
  • Cocoa and Sweet Potato Agronomy
  • Phytoplasmas and Hemiptera pathogens
  • Rangeland and Wildlife Management
  • Bacteriophages and microbial interactions
  • Hemiptera Insect Studies
  • Slime Mold and Myxomycetes Research
  • Plant Virus Research Studies
  • Forest Insect Ecology and Management
  • Insect Pest Control Strategies
  • Ecology and Vegetation Dynamics Studies
  • Fossil Insects in Amber

University of Fort Lauderdale
2016-2025

University of Florida
2016-2025

Florida Agricultural and Mechanical University
2024

Bridge University
2024

University of California, Davis
2024

Utah State University
2024

Florida College
2019

Centre des Sciences du Goût et de l'Alimentation
2011

Université de Bourgogne
2011

Centre National de la Recherche Scientifique
2011

The higher classification of termites requires substantial revision as the Neoisoptera, most diverse termite lineage, comprise many paraphyletic and polyphyletic taxa. Here, we produce an updated using genomic-scale analyses. We reconstruct phylogenies under substitution models with ultraconserved elements analyzed concatenated matrices or within multi-species coalescence framework. Our is further supported by analyses controlling for rogue loci taxa, topological tests. show that Neoisoptera...

10.1038/s41467-024-51028-y article EN cc-by-nc-nd Nature Communications 2024-08-07

Social insects nesting in soil environments are constant contact with entomopathogens but have evolved a range of defence mechanisms, resulting both individual and social immunity that reduce the chance for epizootics colony, as case subterranean termites. Coptotermes formosanus uses its faeces building material nest structure result into 'carton material', here, we report faecal supports growth Actinobacteria which provide another level protection to group against entomopathogens. A...

10.1098/rspb.2013.1885 article EN cc-by Proceedings of the Royal Society B Biological Sciences 2013-09-18

Abstract Native to eastern Asia, the Formosan subterranean termite Coptotermes formosanus (Shiraki) is recognized as one of 100 worst invasive pests in world, with established populations Japan, Hawaii and southeastern United States. Despite its importance, native source(s) C. introductions their pathway out Asia remain elusive. Using ~22,000 SNPs, we retraced invasion history this species through approximate Bayesian computation assessed consequences on genetic patterns demography. We show...

10.1038/s42003-021-01725-x article EN cc-by Communications Biology 2021-02-12

Over the past 50 years, repeated attempts have been made to develop biological control technologies for use against economically important species of subterranean termites, focusing primarily on entomopathogenic fungus Metarhizium anisopliae. However, no successful field implementation has reported. Most previous work conducted under assumption that environmental conditions within termite nests would favor growth and dispersion agents, resulting in an epizootic. Epizootics rely ability...

10.1371/journal.pone.0034484 article EN cc-by PLoS ONE 2012-03-28

While hybridization of an invasive species with a native is common occurrence, between two rare. Formosan subterranean termites (Coptotermes formosanus) and Asian (C. gestroi) are both ecologically successful the most economically important termite pests in world. Both have spread throughout many areas world due to human activity; however, their distributions overlap only three narrow because distinct ecological requirements. In south Florida, where C. formosanus gestroi invasive, dispersal...

10.1371/journal.pone.0120745 article EN cc-by PLoS ONE 2015-03-25

Coptotermes Wasmann (Isoptera: Rhinotermitidae) is one of the most economically important subterranean termite genera and some species are successful invaders. However, despite its pest status, taxonomic validity many named remains unclear. In this study, we reviewed all within genus investigated evidence supporting each species. Species were systematically scrutinized according to region their original description: Southeast Asia, India, China, Africa, Neotropics, Australia. We estimate...

10.1111/syen.12157 article EN Systematic Entomology 2015-11-17

Termites (Blattodea: Isoptera) have evolved specialized defensive strategies for colony protection. Alarm communication enables workers to escape threats while soldiers are recruited the source of disturbance. Here, we study vibroacoustic and chemical alarm in wood roach Cryptocercus 20 termite species including seven nine families, all life-types, feeding nesting habits. Our multidisciplinary approach shows that vibratory signals represent an ethological synapomorphy termites Cryptocercus....

10.1038/s42003-023-04438-5 article EN cc-by Communications Biology 2023-01-21

Abstract The use of nonrepellent liquid termiticides against subterranean termites has long relied on the assumption that foraging in soils could transfer toxicants to nestmates achieve population control. However, their dose-dependent lethal time can lead rapid termite mortality proximity treatment, triggering secondary repellency. current study characterizes dynamic nature “death zone,” i.e., area adjacent soil would avoid owing accumulation cadavers. Using whole laboratory colonies...

10.1093/jee/toae150 article EN cc-by-nc Journal of Economic Entomology 2024-07-15

The entomopathogenic fungus Metarhizium anisopliae (Metsch.) Sorokin was tested in the laboratory against field-collected groups of eastern subterranean termite, Reticulitermes flavipes (Kollar) (Isoptera: Rhinotermitidae), foraging arenas to determine potential effect a "trap and treat" protocol (trapping part population, treating it with biological control agent releasing back into original population). Individual termites were treated suspension M. conidia released containing untreated...

10.1603/0022-0493(2008)101[885:ibtstr]2.0.co;2 article EN Journal of Economic Entomology 2008-06-01

The use of entomopathogens for biological control subterranean termites (Rhinotermitidae) has attracted attention in the past four decades, and several laboratory studies have shown promising results with fungal agents. This approach was based on concept classical a virulent agent that can self-replicate termite nest be transmitted among individuals, resulting an epizootic to kill entire colony. However, absence positive field challenged potential pathogens as realistic control, relationship...

10.1603/ec09407 article EN Journal of Economic Entomology 2010-08-01

The dispersal flight activity ("swarming") of two invasive subterranean termite species, Coptotermes gestroi (Wasmann) and formosanus Shiraki, was monitored in metropolitan southeastern Florida, where both species are now sympatric major structural pests. Historical records alates collected the area showed that have distinct peaks activity, from mid-February to late April for C. gestroi, early June formosanus. However, an overlap seasons has been observed since at least 2005. daily...

10.1093/jee/tox136 article EN Journal of Economic Entomology 2017-04-25

This study reports the spread of 2 major invasive subterranean termite species (Isoptera: Rhinotermitidae) in metropolitan southeastern Florida: Coptotermes formosanus Shiraki and C. gestroi (Wasmann). Termite records from 1990 to 2015 were analyzed determine expansion their distribution. Our results suggest that ranges distribution have increased exponentially during this time frame. observation raises concerns about potential structural damage urbanized area, which includes 6 million...

10.1653/024.099.0205 article EN cc-by Florida Entomologist 2016-06-01

This study evaluated the impact of a non-repellent liquid termiticide (fipronil) and chitin synthesis inhibitor (CSI) termite bait (noviflumuron) on whole colonies Coptotermes gestroi (Wasmann) (Blattodea: Isoptera: Rhinotermitidae) in laboratory conditions, over 12-m foraging distance. The protocol simulated implementation remedial treatment an infested structure, where colony has multiple access routes, only portion population was directly exposed to treatment. Within 2 wk after fipronil,...

10.1093/jee/toy210 article EN Journal of Economic Entomology 2018-07-04

Mutualistic associations between insects and microorganisms must imply gains for both partners, the emphasis has mostly focused on coevolved host-symbiont systems. However, some insect hosts may have evolved traits that allow various means of association with opportunistic microbial communities, especially when microbes are omnipresent in their environment. It was previously shown colonies subterranean termite Coptotermes formosanus Shiraki (Blattodea: Rhinotermitidae) build nests out fecal...

10.1093/ee/nvy152 article EN Environmental Entomology 2018-09-20

Abstract Intrinsic dinitrogen (N 2 ) fixation by diazotrophic bacteria in termite hindguts has been considered an important pathway for nitrogen acquisition termites. However, studies that supported this claim focused on measuring instant N rates and failed to address their relationship with colony growth reproduction over time. We here argue not all wood-feeding termites rely symbiotic growth. The present study looks at dietary a subterranean (Rhinotermitidae, Coptotermes ). Young colonies...

10.1038/s41598-021-00674-z article EN cc-by Scientific Reports 2021-10-28

Abstract In eusocial organisms, cooperative brood care within a colony represents situation where the ancestral parental duties have shifted away from reproductive parent(s) towards their offspring. The shift to alloparental was often instrumental in initial emergence of eusociality, as it ultimately contributed establishment division labour. Remarkably, taxa such ants and termites, which still display an independent foundation phase, must go through obligatory period, temporary subsocial...

10.1111/1365-2435.14183 article EN Functional Ecology 2022-09-16

The traditional stake survey and in-ground (IG) monitoring stations have been ineffective in aggregating the Asian subterranean termite, Coptotermes gestroi (Wasmann) southeastern Florida. In this study, we used both IG above-ground (AG) Sentricon to monitor bait C. gestroi, as expected, none of 83 was intercepted. Despite this, AG with 0.5% noviflumuron were successfully eliminate colonies. From 2 field experiments, mean colony elimination time (±SD) using baits 6.4 ± 3.8 wk (n = 4) 8.0 2.1...

10.1093/jee/toad077 article EN Journal of Economic Entomology 2023-05-08
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