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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

Menu Institut Sophia Agrobiotech Inra Univ. Nice Sophia Antipolis CNRS

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Institut Sophia Agrobiotech

UMR INRA - Univ. Nice Sophia Antipolis - Cnrs


Lab leader - Senior Scientist

© Inra
Population genetics and evolutionary biology. Invasion biology, selection, molecular ecology, insect pests

Main Activity


Co-founder and co-manager (with Denis Bourguet and Benoit Facon) of Peer Community In, an alternative publication system, based on peer-reviews and recommendations of preprints.

Member of the managing board of Peer Community in Evolutionary Biology

Recommender for PCI Evol Biol 


and PCI Ecology


admirer of PCI Paleontology 

logo_Pal_pages_secondaires MOYEN


Evolutionary biology and invasion biology
My research focuses on evolutionary biology applied to agricultural environment. Invasion biology is a specific object of ecology in which evolutionary biology can provide new understandings
Although biological invasions represent a major threat to biodiversity, human health and agriculture, the critical demographic and genetic parameters responsible for their success are poorly known because of methodological and experimental limitations. The goal of this project is to estimate these parameters in different biological invasion contexts (including intentional invasions like biological control).
Our research focus on the developement of new methods to estimate the demographic, genetic and historical parameters of bioinvasions and to describe invasion routes, and the application of these methods to ongoing and documented invasions of socio-economically important species (Diabrotica virgifera virgifera and Harmonia axyridis).

Main collaboration: Arnaud Estoup and Benoit Facon (INRA CBGP, Montpellier, France)


2012-       : Population dynamics of invasive species, Molecular ecology. Master of Biology, Université de Nice-Sophia Antipolis

2001-2007: Selection in population genetics. Master of Biology, Université de Nice-Sophia Antipolis

Breaf CV:

2009- : leader of the team BPI
2000- : Research Scientist, INRA of Sophia-Antipolis.
1998-2000: Postdoc, Marine molecular biology lab, University of Algarve, Portugal
1994-1997: PhD in evolutionary biology, Université de Montpellier 2.
1993-1994: Master in Evolutionary biology and Ecology, University of Montpellier 2.
1991-1994: Ingeneer degree from the "Ecole Nationale Supérieure Agronomique de Montpellier"

Publication list: 

Read my book written with Denis Bourguet :



  • Lombaert, E., Ciosi, M., Miller, N.J., Sappington, T.W., Blin, A., and Guillemaud, T. (2018). Colonization history of the western corn rootworm (Diabrotica virgifera virgifera) in North America: insights from random forest ABC using microsatellite data. Biol Invasions 20, 665–677. DOI: 10.1007/s10530-017-1566-2
  • Lesieur, V., Lombaert, E., Guillemaud, T., Courtial, B., Strong, W., Roques, A., and Auger-Rozenberg, M.-A. (2018). The rapid spread of Leptoglossus occidentalis in Europe: a bridgehead invasion. J Pest Sci 1–12. DOI: 10.1007/s10340-018-0993-x
  • Lombaert, E., Guillemaud, T., and Deleury, E. (2018). Biases of STRUCTURE software when exploring introduction routes of invasive species. Heredity 120, 485–499. DOI: 10.1038/s41437-017-0042-1


  • Bourguet, D., and Guillemaud, T. (2016). The hidden and external costs of pesticide use. Sustainable Agriculture Reviews 19: 35-120. DOI: 10.1007/978-3-319-26777-7
  • Delmotte F, Bourguet D, Franck P, Guillemaud T, Reboud X, Vacher C and Walker A (2016). Combining selective pressures to enhance the durability of disease resistance genes. Front. Plant Sci. 7:1916.   doi: 10.3389/fpls.2016.01916
  • Guillemaud T, Lombaert E, Bourguet D (2016) Conflicts of Interest in GM BtCrop Efficacy and Durability Studies. PLoS ONE 11(12): e0167777. doi:10.1371/journal.pone.0167777
  • Lombaert, E., Guillemaud, T., and Deleury, E. (2016). A simulation-based evaluation of STRUCTURE software for exploring the introduction routes of invasive species. bioRxiv 094029.
  • Lucque, G.M., Vayssade, C., Facon, B., Guillemaud, T., Courchamp, F., and Fauvergue, X. (2016). The genetic Allee effect: a unified framework for the genetics and demography of small populations. bioRxiv 038125. DOI: 10.1101/038125 published in Ecosphere
  • Roy, H.E., Brown, P.M.J., Adriaens, T., Berkvens, N., Borges, I., Clusella-Trullas, S., Comont, R.F., Clercq, P.D., Eschen, R., Estoup, A., et al. (2016). The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology. Biol Invasions 18, 997–1044. DOI: 10.1007/s10530-016-1077-6


  • Guillemaud T, Blin A, Le Goff I et al. (2015) The tomato borer, Tuta absoluta, invading the Mediterranean Basin, originates from a single introduction from Central Chile. Scientific Reports, 5, 8371. (pdf)
  • Arca, M., Mougel, F., Guillemaud, T., Dupas, S., Rome, Q., Perrard, A., Muller, F., Fossoud, A., Capdevielle-Dulac, C., Torres-Leguizamon, M., et al. (2015). Reconstructing the invasion and the demographic history of the yellow-legged hornet, Vespa velutina, in Europe. Biological Invasions 17, 2357–2371.
  • Guillemaud, T., Broadhurst, L., Legoff, I., Henery, M., Blin, A., Ducatillion, C., Ferrando, N., and Malausa, T. (2015). Development of 23 polymorphic microsatellite loci in invasive silver wattle, acacia dealbata (fabaceae). Applications in Plant Sciences 3, 1500018.
  • Mallez, S., Castagnone, C., Espada, M., Vieira, P., Eisenback, J.D., Harrell, M., Mota, M., Aikawa, T., Akiba, M., Kosaka, H., Castagnone-Sereno, P., Guillemaud, T. (2015). Worldwide invasion routes of the pinewood nematode: What can we infer from population genetics analyses? Biological Invasions 17, 1199–1213.


  • Bermond, G., Cavigliasso, F., Mallez, S., Spencer, J., and Guillemaud, T. (2014). No Clear Effect of Admixture between Two European Invading Outbreaks of Diabrotica virgifera virgifera in Natura. PLoS ONE 9, e106139. (pdf)
  • Li, H., Guillemaud, T., French, B.W., Kuhlmann, U., and Toepfer, S. (2014). Phenotypic trait changes in laboratory - reared colonies of the maize herbivore, Diabrotica virgifera virgifera. Bull. Entomol. Res. 104, 97–115. (pdf)
  • Lombaert, E., Guillemaud, T., Lundgren, J., Koch, R., Facon, B., Grez, A., Loomans, A., Malausa, T., Nedved, O., Rhule, E., et al. (2014a). Complementarity of statistical treatments to reconstruct worldwide routes of invasion: the case of the Asian ladybird Harmonia axyridis. Molecular Ecology 23, 5979–5997. (pdf)
  • Lombaert, E., Estoup, A., Facon, B., Joubard, B., Gregoire, J.-C., Jannin, A., Blin, A., and Guillemaud, T. (2014b). Rapid increase in dispersal during range expansion in the invasive ladybird Harmonia axyridis. J. Evol. Biol. 27, 508–517. (pdf,
  • Mallez, S., Castagnone, C., Espada, M., Vieira, P., Eisenback, J.D., Harrell, M., Mota, M., Aikawa, T., Akiba, M., Kosaka, H., Castagnone-Serreno, P. and Guillemaud, T. (2014). Worldwide invasion routes of the pinewood nematode: What can we infer from population genetics analyses? Biological Invasions. (pdf)
  • Tayeh, A., Estoup, A., Lombaert, E., Guillemaud, T., Kirichenko, N., Lawson-Handley, L., De Clercq, P., and Facon, B. (2014). Cannibalism in invasive, native and biocontrol populations of the harlequin ladybird. BMC Evol. Biol. 14, 15. (pdf,


  • Bermond, G., Blin, A., Vercken, E., Ravigné, V., Rieux, A., Mallez, S., Morel-Journel, T., and Guillemaud, T. (2013). Estimation of the dispersal of a major pest of maize by cline analysis of a temporary contact zone between two invasive outbreaks. Mol Ecol. DOI: 10.1111/mec.12489. (pdf, supp. mat.)
  • Mallez S., Castagnone C., Espada M., Vieira P., Eisenback J.D., Mota M., Guillemaud T. and Castagnone-Sereno P. (2013). First insights into the genetic diversity of the pinewood nematode in its native area using new polymorphic microsatellite loci. PLoS ONE 8 : e59165. (pdf)
  • The REX consortium*. 2013. Heterogeneity of selection and the evolution of resistance. Trends in Ecology and Evolution. 28(2):110-8. doi: 10.1016/j.tree.2012.09.001.* The REX Consortium is composed by D. Bourguet, F. Delmotte, Pierre Franck, Thomas Guillemaud, Xavier Reboud, Corinne Vacher and Anne-Sophie Walker. (pdf, supp. mat.)
  • Wang, H., Coates, B.S., Chen, H., Sappington, T.W., Guillemaud, T., and Siegfried, B.D. (2013). Role of a gamma-aminobutryic acid (GABA) receptor mutation in the evolution and spread of Diabrotica virgifera virgifera resistance to cyclodiene insecticides. Insect Mol. Biol. 22, 473–484. (pdf)


  • Bermond, G., M. Ciosi, E. Lombaert, A. Blin, M. Boriani, L. Furlan, S. Toepfer, and T. Guillemaud. 2012. Secondary contacts and admixture during the invasion of Europe by the western corn rootworm, Diabrotica virgifera virgifera Plos One. 7:e50129 (pdf)
  • Estoup, A., Lombaert, E., Marin, J.-M., Guillemaud, T., Pudlo, P., Robert, C.P., and Cornuet, J.-M. (2012). Estimation of demo-genetic model probabilities with Approximate Bayesian Computation using linear discriminant analysis on summary statistics. Mol Ecol Resour 12, 846–855. (pdf)
  • Papura, D., C. Burban, M. van Helden, X. Giresse, B. Nusillard, T. Guillemaud, and C. Kerdelhue. 2012. Microsatellite and Mitochondrial Data Provide Evidence for a Single Major Introduction for the Neartic Leafhopper Scaphoideus titanus in Europe. Plos One 7. (pdf)
  • A'Hara, et al. 2012. Permanent Genetic Resources added to Molecular Ecology Resources Database 1 August 2011-30 September 2011. Molecular Ecology Resources 12:185-189. (pdf)


  • Sauge, M. H., J. L. Poessel, T. Guillemaud, and L. Lapchin. 2011. Resistance induction and herbivore virulence in the interaction between Myzus persicae (Sulzer) and a major aphid resistance gene (Rm2) from peach. Arthropod-Plant Interactions 5:369-377. (pdf)
  • Malausa, T., A. Gilles, E. Meglecz, H. Blanquart, S. Duthoy, C. Costedoat, V. Dubut, N. Pech, P. Castagnone-Sereno, C. Delye, N. Feau, P. Frey, P. Gauthier, T. Guillemaud, L. Hazard, V. Le Corre, B. Lung-Escarmant, P. J. G. Male, S. Ferreira, and J. F. Martin. 2011. High-throughput microsatellite isolation through 454 GS-FLX Titanium pyrosequencing of enriched DNA libraries. Molecular Ecology Resources 11:638-644. (pdf)
  • Lombaert, E., T. Guillemaud, C. E. Thomas, L. J. L. Handley, J. Li, S. Wang, H. Pang, I. Goryacheva, I. A. Zakharov, E. Jousselin, R. L. Poland, A. Migeon, J. van Lenteren, P. De Clercq, N. Berkvens, W. Jones, and A. Estoup. 2011. Inferring the origin of populations introduced from a genetically structured native range by approximate Bayesian computation: case study of the invasive ladybird Harmonia axyridis. Molecular Ecology 20:4654-4670. (pdf)
  • Guillemaud, T., M. Ciosi, E. Lombaert, and A. Estoup. 2011. Biological invasions in agricultural settings: Insights from evolutionary biology and population genetics. Comptes Rendus Biologies 334:237-246. (pdf)
  • Guillemaud, T., A. Blin, S. Simon, K. Morel, and P. Franck. 2011. Weak Spatial and Temporal Population Genetic Structure in the Rosy Apple Aphid, Dysaphis plantaginea, in French Apple Orchards. Plos One 6. (pdf)
  • Facon, B., R. A. Hufbauer, A. Tayeh, A. Loiseau, E. Lombaert, R. Vitalis, T. Guillemaud, J. G. Lundgren, and A. Estoup. 2011. Inbreeding Depression Is Purged in the Invasive Insect Harmonia axyridis. Current Biology 21:424-427. (pdf)
  • Desneux, N., M. G. Luna, T. Guillemaud, and A. Urbaneja. 2011. The invasive South American tomato pinworm, Tuta absoluta, continues to spread in Afro-Eurasia and beyond: the new threat to tomato world production. Journal of Pest Science 84:403-408. (pdf)
  • Ciosi, M., N. J. Miller, S. Toepfer, A. Estoup, and T. Guillemaud. 2011. Stratified dispersal and increasing genetic variation during the invasion of Central Europe by the western corn rootworm, Diabrotica virgifera virgifera. Evolutionary Applications 4:54-70. (pdf)


  • Estoup A, Guillemaud T (2010) Reconstructing routes of invasion using genetic data: why, how and so what? Molecular Ecology, 19, 4113-4130.
  • Ciosi M, Miller NJ, Toepfer S, Estoup A, Guillemaud T Stratified dispersal and increasing genetic variation during the invasion of Central Europe by the western corn rootworm, Diabrotica virgifera virgifera. Evolutionary Applications, 4, 54-70.
  • Guillemaud T, Beaumont MA, Ciosi M, Cornuet JM, Estoup A 2010. Inferring introduction routes of invasive species using approximate Bayesian computation on microsatellite data. Heredity 104: 88–99.
  • Lombaert, E., Guillemaud T., Cornuet J.M., Malausa T., Facon B. & Estoup A. (2010) Invasive bridgehead effect in the biocontrol harlequin ladybird. PLoS ONE, In Press.
  • REX Consortium. 2010. The skill and style to model the evolution of resistance to pesticides and drugs. Evolutionary applications. In press. * The REX Consortium is composed by D. Bourguet, F. Delmotte, Pierre Franck, Thomas Guillemaud, Xavier Reboud, Corinne Vacher and Anne-Sophie Walker.
  • Castagnone-Sereno P, Danchin EGJ, Deleury E, Guillemaud T, Malausa T, Abad P (2010) Genome-wide survey and analysis of microsatellites in nematodes, with a focus on the plant-parasitic species Meloidogyne incognita. Bmc Genomics, 11.


  • Ciosi, M., Toepfer, S., Li, H., Haye, T., Kuhlmann, U., Wang, H., Siegfried, B., and Guillemaud, T., 2009. European populations of Diabrotica virgifera virgifera are resistant to aldrin, but not to methyl-parathion. Journal of Applied Entomology, 133: 307-314.
  • Meinke, L.J., Sappington, T.W., Onstad, D.W., Guillemaud, T., Miller, N.J., Judith, K., Nora, L., Furlan, L., Jozsef, K., and Ferenc, T., 2009. Western corn rootworm (Diabrotica virgifera virgifera LeConte) population dynamics. Agricultural and Forest Entomology, 11: 29-46.
  • Miller, N.J., Guillemaud, T., Giordano, R., Siegfried, B.D., Gray, M.E., Meinke, L.J., and Sappington, T.W., 2009. Genes, gene flow and adaptation of Diabrotica virgifera virgifera. Agricultural and Forest Entomology, 11: 47-60.
  • Moeser, J. and Guillemaud, T., 2009. International cooperation on western corn rootworm ecology research: state-of-the-art and future research. Agricultural and Forest Entomology, 11: 3-7.


  • Ciosi, M., Miller, N.J., Kim, K.S., Giordano, R., Estoup, A., and Guillemaud, T., 2008. Invasion of Europe by the western corn rootworm, Diabrotica virgifera virgifera: multiple transatlantic introductions with various reductions of genetic diversity. Molecular Ecology (US), 17: 3614-3627.
  • Cornuet, J.M., Santos, F., Beaumont, M.A., Robert, C.P., Marin, J.M., Balding, D.J., Guillemaud, T., and Estoup, A., 2008. Inferring population history with DIY ABC: a user-friendly approach to approximate Bayesian computation. Bioinformatics (UK), 24: 2713-2719.
  • Kim, K.S., Stolz, U., Miller, N.J., Waits, E.R., Guillemaud, T., Sumerford, D.V., and Sappington, T.W., 2008. A core set of microsatellite markers for Western corn rootworm (Coleoptera: Chrysomelidae) population genetics studies. Environmental Entomology (US), 37: 293-300.
  • Tentelier, C., Guillemaud, T., Ferry, S., and Fauvergue, X., 2008. Microsatellite-based parentage analysis reveals non-ideal free distribution in a parasitoid population. Molecular Ecology (US), 17: 2300-2309.


  • Miller, N.J. ; Ciosi, M. ; Sappington, T.W. ; Ratcliffe, S.T. ; Spencer, J.L. ; Guillemaud, T. Genome scan of Diabrotica virgifera virgifera for genetic variation associated with crop rotation tolerance. Journal of Applied Entomology. 2007, 131 (6) : 378-385.
  • REX Consortium* (2007) Structure of the Scientific Community Modelling the Evolution of Resistance. PLoS ONE 2(12): e1275. * The REX Consortium is composed by D. Bourguet, F. Delmotte, Pierre Franck, Thomas Guillemaud, Xavier Reboud, Corinne Vacher and Anne-Sophie Walker.


  • Malausa, T. ; Salles, M. ; Marquet, V. ; Guillemaud, T. ; Alla, S. ; Marion-Poll, F. ; Lapchin, L. Within-species variability of the response to 20-hydroxyecdysone in peach-potato aphid (Myzus persicae Sulzer). Journal of Insect Physiology. 2006, 52 (5) : 480-486.
  • Miller, N.J. ; Kim, K. S. ; Ratcliffe, S. T. ; Estoup, A. ; Bourguet, D. ; Guillemaud, T. Absence of genetic divergence between western corn rootworms (Coleoptera : Chrysomelidae) resistant and susceptible to control by crop rotation. Journal of Economic Entomology. 2006, 99 (3) : 685-690.


  • Zamoum, T., J. C. Simon, D. Crochard, Y. Ballanger, L. Lapchin, F. Vanlerberghe-Masutti, and T. Guillemaud. 2005. Does insecticide resistance alone account for the low genetic variability of asexually reproducing populations of the peach-potato aphid Myzus persicae? Heredity94:630-639.
  • Miller, N., A. Estoup, S. Toepfer, D. Bourguet, L. Lapchin, S. Derridj, K. S. Kim, P. Reynaud, L. Furlan, and T. Guillemaud. 2005. Multiple transatlantic introductions of the western corn rootworm. Science310:992-992.
  • Malausa, T., T. Guillemaud, and L. Lapchin. 2005. Combining genetic variation and phenotypic plasticity in trade-off modelling. Oikos110:330-338.
  • Lapchin, L. and T. Guillemaud. 2005. Asymmetry in host and parasitoid diffuse coevolution: when the red queen has to keep a finger in more than one pie. BMC, Frontiers in Zoology2:doi:10.1186/1742-9994-1182-1184.
  • Guillemaud, T., N. Miller, A. Estoup, S. Derridj, L. Lapchin, P. Reynaud, and D. Bourguet. 2005.Diabroticadébarqua trois fois (au moins! ). Phytoma, La défense des Végétaux588:41-42.
  • Fauvergue, X., C. Tentelier, G. Genson, P. Audiot, T. Guillemaud, and R. J. Streiff. 2005. Microsatellite DNA markers for Lysiphlebus testaceipes. Molecular Ecology Notes5:109-111.
  • Almada, F., V. C. Almada, T. Guillemaud, and P. Wirtz. 2005. Phylogenetic relationships of the North-eastern Atlantic and Mediterranean blenniids. Biological Journal of the Linnean Society86:283-295.


  • Bourguet, D., T. Guillemaud, C. Chevillon, and M. Raymond. 2004. Fitness cost of insecticide resistance in larval mosquito populations ofCulex pipiens. Evolution58:128-135.


  • Guillemaud, T., L. Mieuzet, and J.-C. Simon. 2003. Spatial and temporal genetic variability in French populations of the peach-potato aphid, Myzus persicae. Heredity91:143-152.
  • Guillemaud, T., A. Brun, N. Anthony, M.-H. Sauge, R. Boll, R. Delorme, D. Fournier, L. Lapchin, and F. Vanlerberghe-Masutti. 2003. Incidence of insecticide resistance alleles in sexually-reproducing populations of the peach-potato aphid Myzus persicae (Hemiptera: Aphididae) from southern France. Bulletin of Entomological Research93:289-297.
  • Aurelle, D., T. Guillemaud, P. Afonso, T. Morato, P. Wirtz, R. S. Santos, and M. L. Cancela. 2003. Genetic study of Coris julis (Osteichtyes, Perciformes, Labridae) evolutionary history and dispersal abilities. Comptes Rendus Biologies326:771-785.


  • Mira, S., C. Billot, T. Guillemaud, L. Palma, and M. L. Cancela. 2002. Isolation and characterization of polymorphic microsatellite markers in Eurasian vulture Gyps fulvus. Molecular Ecology Notes2:557-558.
  • Henriques, M., R. Lourenco, F. Almada, G. Calado, D. Goncalves, T. Guillemaud, M. L. Cancela, and V. C. Almada. 2002. A revision of the status of Lepadogaster lepadogaster (Teleostei : Gobiesocidae): sympatric subspecies or a long misunderstood blend of species? Biological Journal of the Linnean Society76:327-338.
  • Cardia, P., B. Fraguas, M. Pais, S. Silva, T. Guillemaud, L. Palma, M. L. Cancela, and N. Ferrand. 2002. Analysis of protein genetic variation in Mediterranean populations of Bonelli's Eagle Hieraaetus fasciatus. Airo12:71-74.


  • Streiff, R., T. Guillemaud, F. Alberto, J. Magalhaes, M. Castro, and M. L. Cancela. 2001. Isolation and characterization of microsatellite loci in the Norway lobster (Nephrops norvegicus). Molecular Ecology Notes1:71-72.
  • Palma, L., S. Mira, P. Cardia, P. Beja, T. Guillemaud, N. Ferrand, M. L. Cancela, and L. C. da Fonseca. 2001. Sexing Bonelli's Eagle nestlings: Morphometrics versus molecular techniques. Journal of Raptor Research35:187-193.


  • Guillemaud, T., R. Streiff, R. Serrão Santos, P. Afonso, T. Morato, and M. L. Cancela. 2000. Microsatellite characterization in the rainbow wrasseCoris julis(Pisces: Labridae). Molecular Ecology9:631-632.
  • Guillemaud, T., M. L. Cancela, P. Afonso, T. Morato, R. S. Santos, and P. Wirtz. 2000. Molecular insights into the taxonomic status of Coris atlantica (Pisces : Labridae). Journal of the Marine Biological Association of the United Kingdom80:929-933.
  • Guillemaud, T., F. Almada, R. S. Santos, and M. L. Cancela. 2000. Interspecific utility of microsatellites in fish: A case study of (CT)(n) and (GT)(n) markers in the shanny Lipophrys pholis (Pisces : Blenniidae) and their use in other blennioidei. Marine Biotechnology2:248-253.
  • Carvalho, M. C., R. Streiff, T. Guillemaud, P. Afonso, R. S. Santos, and M. L. Cancela. 2000. Isolation and characterization of polymorphic microsatellite markers in Abudefduf luridus (Pisces : Pomacentridae). Molecular Ecology9:993-994.


  • Lenormand, T., D. Bourguet, T. Guillemaud, and M. Raymond. 1999. Tracking the evolution of insecticide resistance in the mosquitoCulex pipiens. Nature400:861-864.
  • Guillemaud, T., M. Raymond, A. Tsagkarakou, C. Bernard, P. Rochard, and N. Pasteur. 1999. Quantitative variations and selection of esterase gene amplification inCulex pipiens. Heredity83:87-99.
  • Chevillon, C., M. Raymond, T. Guillemaud, T. Lenormand, and N. Pasteur. 1999. Population genetics of insecticide resistance in the mosquito Culex pipiens. Biological Journal of the Linnean Society68:147-157.


  • Raymond, M., C. Chevillon, T. Guillemaud, T. Lenormand, and N. Pasteur. 1998. An overview of the evolution of overproduced esterases in the mosquito Culex pipiens. Philosophical Transactions of the Royal Society of London Series B-Biological Sciences353:1707-1711.
  • Raymond, M., C. Chevillon, T. Guillemaud, T. Lenormand, and N. Pasteur. 1998. An overview of the evolution of overproduced esterases in the mosquito Culex pipiens. Insecticide resistance: from mecanisms to management:31-35.
  • Lenormand, T., T. Guillemaud, D. Bourguet, and M. Raymond. 1998. Evaluating gene flow with selected markers: a case study. Genetics149:1383-1392.
  • Lenormand, T., T. Guillemaud, D. Bourguet, and M. Raymond. 1998. Appearance and sweep of a gene duplication: Adaptive response and potential for new functions in the mosquito Culex pipiens. Evolution52:1705-1712.
  • Guillemaud, T., T. Lenormand, D. Bourguet, C. Chevillon, N. Pasteur, and M. Raymond. 1998. Evolution of resistance in Culex pipiens: Allele replacement and changing environment. Evolution52:443-453.
  • Callaghan, A., T. Guillemaud, N. Makate, and M. Raymond. 1998. Polymorphisms and fluctuations in copy number of amplified esterase genes in Culex pipiens mosquitoes. Insect Molecular Biology7:295-300.


  • Severini, C., R. Romi, M. Marinucci, T. Guillemaud, and M. Raymond. 1997. Esterases A5-B5 in organophosphate-resistant Culex pipiens from Italy. Medical and Veterinary Entomology11:123-126.
  • Guillemaud, T. and F. Rousset. 1997. Consequences of Wolbachia transmission process on the infection dynamics. Journal of Evolutionary Biology10:601-612.
  • Guillemaud, T., N. Pasteur, and F. Rousset. 1997. Contrasting levels of variability between cytoplasmic genomes and incompatibility types in the mosquito Culex pipiens. Proceedings of the Royal Society of London Series B-Biological Sciences264:245-251.
  • Guillemaud, T., N. Makate, M. Raymond, B. Hirst, and A. Callaghan. 1997. Esterase gene amplification in Culex pipiens. Insect Molecular Biology6:319-327.
  • Bourguet, D., T. Lenormand, T. Guillemaud, V. Marcel, D. Fournier, and M. Raymond. 1997. Variation of dominance of newly arisen adaptive genes. Genetics147:1225-1234.


  • Tsagkarakou, A., T. Guillemaud, F. Rousset, and M. Navajas. 1996. Molecular identification of a Wolbachia endosymbiont in a Tetranychus urticae strain (Acari: Tetranychidae). Insect Molecular Biology5:217-221.
  • Rooker, S., T. Guillemaud, J. Berge, N. Pasteur, and M. Raymond. 1996. Coamplification of esterase A and B genes as a single unit in Culex pipiens mosquitoes. Heredity77:555-561.
  • Guillemaud, T., S. Rooker, N. Pasteur, and M. Raymond. 1996. Testing the unique amplification event and the worldwide migration hypothesis of insecticide resistance genes with sequence data. Heredity77:535-543.
  • Guillemaud, T., M. Raymond, G. Callot, J. C. CleyetMarel, and D. Fernandez. 1996. Variability of nuclear and mitochondrial ribosomal DNA of a truffle species (Tuber aestivum). Mycological Research100:547-550.

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