Joan van Baaren

Professeure, Directrice d'Unité

Laboratoire ECOBIO_ UMR 6553 UR1-CNRS

Université de Rennes 1, Campus de Beaulieu, bat 14a

263 Avenue du Général Leclerc


Rennes 35042


Courriel : joan [dot] van-baaren [at] univ-rennes1 [dot] fr

Téléphone : +33(0)223235027

Numéro de bureau : 227


Revues avec comité de lecture international

1. van Baaren, J., Pierre, J.S. & Nénon, J.P. 1993. Analysis of oviposition behaviour in the parasitoid Epidinocarsis lopezi (Hymenoptera : Encyrtidae) : comparison of flow charts on factorial maps. Entomophaga, 38 (2), 207-218. (IF: 0,69).

2. van Baaren, J. & Nénon, J.P. 1994. Factors involved in host discrimination by Epidinocarsis lopezi and Leptomastix dactylopii (Hymenoptera : Encyrtidae). Journal of Applied Entomology, 118, 76-83. (IF: 1,27).

3. van Baaren, J., Boivin, G. & Nénon, J.P. 1994. Intra- and interspecific host-discrimination in two closely related egg parasitoids. Oecologia, 100, 325-330. (IF: 3,51).

4. van Baaren, J., Boivin, G. & Nénon, J.P. 1995. Intraspecific hyperparasitism in a primery Hymenopteran parasitoid. Behavioral Ecology and Sociobiology, 36, 237-242. (IF: 2,91).

5. van Baaren, J., Boivin, G. & Nénon, J.P. 1995. Comparison of Oviposition behavior of a solitary and a gregarious parasitoid  (Hymenoptera : Mymaridae). Journal of Insect Behaviour, 8, 671-686. (IF: 1,17).

6. Nénon, J.P., Boivin, G., Le Lannic, J. & van Baaren J. 1995. Functional morphology of the mymariform and sacciform larvae of the egg parasitoid Anaphes victus (Hymenoptera : Mymaridae). Canadian Journal of Zoology, 73, 996-1000. (IF: 1,38).

7. van Baaren, J., Barbier, R. & Nénon, J.P. 1996. Females antennal sensilla of Epidinocarsis lopezi and Leptomastix dactylopii (Hymenoptera: Encyrtidae), parasitoids of pseudococcid mealybugs. Canadian Journal of Zoology, 74, 710-720. (IF: 1,38).

8. van Baaren, J. & Nénon, J.P. 1996. Host location and discrimination mediated through olfactory stimuli in two species of Encyrtidae. Entomologia experimentalis et applicata, 81, 61-69. (IF: 1,40).

9. van Baaren, J. & Nénon, J.P. 1996. Intraspecific larval competition in two solitary parasitoids, Apoanagyrus (Epidinocarsis) lopezi and Leptomastix dactylopii. Entomologia experimentalis et applicata, 81, 325-333. (IF: 1,40).

10. van Baaren, J., Boivin, G., Le Lannic, J.& Nénon, J.P. 1997. The male and female first instar larvae of Anaphes victus and A. listronoti (Hymenoptera: Mymaridae). Zoomorphology, 117, 189-197. (IF: 1,8).

11. van Baaren, J. & Boivin, G. 1998. Learning affects the host discrimination behavior in a parasitoid wasp. Behavioral Ecology and Sociobiology, 42, 9-16. (IF: 2,91).

12. van Baaren, J. & Boivin, G. 1998. Genotypic and kin discrimination in a solitary Hymenopterous parasitoid: implications for speciation. Evolutionary ecology, 12, 523-534. (IF: 2,39).

13. van Baaren, J., Landry, B.L. & Boivin, G. 1999. Sex allocation and larval competition in a superparasitizing solitary egg parasitoid: competing strategies for an optimal sex ratio. Functional Ecology 13, 66-71. (IF: 4,64).

14. van Baaren J., Boivin G., Le Lannic J. & Nénon J.P. 1999. Comparison of antennal sensilla of Anaphes victus and A. listronoti (Hymenoptera: Mymaridae), egg-parasitoids of Curculionidae. Zoomorphology 119, 1-8. (IF: 1,8).

15. van Baaren J 1999. Comparison of interattraction in a lineage of Zetoborinae cockroaches. Annales de la Société Entomologique de France 35,

16. Boivin, G. & van Baaren, J. 2000. The role of larval aggression and mobility in the transition between solitary and gregarious development in parasitoid wasps. Ecology letters 3 (6), 469-474.

Cet article a fait l'objet d'un commentaire dans TREE 16, 7-9 (2001) par JJ Pexton & PJ Mayhew "Immobility: the key to family harmony?"


17. van Baaren J., Deleporte P. 2001. Comparison of gregariousness in larvae and adults of four species of zetoborine cockroaches. Entomologia Experimentalis et Applicata 99, 113-119.

18. van Baaren J., Deleporte P, Grandcolas P., Biquand V. & Pierre J.S. (2002) Measurement for solitariness and gregarism: analysing spacing, attraction and interactions in four species of Zetoborinae (Blattaria). Ethology 108, 697-712.

19. van Baaren J., Deleporte P & Grandcolas P. 2002. Cockroaches in French Guiana Icteridae birds nests. Amazoniana 17, 243-248. Pas de doi

20. Pierre, J.S., van Baaren, J. & Boivin G. 2003. Patch leaving decision rules in parasitoids: do they use sequential decisional sampling? Behavioral Ecology and Sociobiology 54: 147-155.

21. van Baaren J., Bonhomme A.S., Deleporte P. & Pierre J.S. 2003. Behaviours promoting grouping or dispersal of mother and neonates in ovoviviparous cockroaches. Insectes sociaux, 50, 45-53.

22. van Baaren J., Eckstein E., Deleporte P., Biquand V., Le Rouzo T. & Pierre J.S., 2003. Social interactions during development in the ovoviviparous cockroaches Schultesia lampyridiformis. Behaviour, 140(6), 721-737.

23. van Baaren J., Héterier V., Hance T., Krespi L., Cortesero A.M., Poinsot D., Le Ralec A., Outreman Y.  2004. Playing the hare or the tortoise in parasitoids: could different oviposition strategies have an influence in host partitioning in two Aphidius species? Ethology, Ecology & Evolution, 16 (3), 231-242.

24. Grandcolas P., Pellens R., Deleporte P., van Baaren J. 2004. The poverty of phylogeny, the poverty of taxonomy, the poverty of natural history,... their richness altogether as shown by a case study on cockroaches. Cladistics, 20 (6): 596-596. Pas de doi

25. van Baaren J., Outreman Y., Boivin G. 2005. Effect of low temperature exposure on oviposition behaviour and patch exploitation strategy in parasitic wasps. Animal Behaviour, 70, 153-163.

26. van Baaren J., Boivin G. & Outreman . 2005. Patch exploitation strategy by an egg parasitoid in constant or variable environement. Ecological Entomology, 30, 502-509.

27. Roux O., van Baaren J. Gers C., Arvanitakis L., Legal L. 2005. Antennal structure and oviposition behavior of the Plutella xylostella specialist parasitoid: Cotesia plutellae. Microscopy Research and Technique, 68, 36-44.

28. Bourdais D., Vernon P., Krespi L., Le Lannic J., & van Baaren J. 2006. Antennal structure of male and female Aphidius rhopalosiphi DeStefani-Peres (Hymenoptera : Braconidae) : description and morphological alterations after cold storage or heat exposure. Microscopy Research and Technique, 69:1005-1013.

29. Hance T., van Baaren J., Vernon, P., Boivin G., 2007. Impact of extreme temperatures on parasitoids in a climate change perspective. Annual Review of Entomology, 52, 107-126.

30. van Baaren J., Deleporte P., Vimard A., Biquand V. & Pierre J.S. 2007. Weakly aggressive behaviour towards nymphs in the cockroach Schultesia nitor? Aggressive behavior, 33, 498-507.

31. Amice G., Vernon P., Outreman Y., van Alphen J. & van Baaren  J. 2008. Variability in responses to thermal stress in parasitoids. Ecological Entomology, 33, 701–708.

32. Le Lann C., Outreman Y., van Alphen J., Krespi L., Pierre J.S. & van Baaren J. 2008. Do past experience and competitive ability influence foraging strategies of parasitoids under interspecific competition. Ecological Entomology, 33, 691–700.

33. van Baaren J, Le Lann C, Pichenot J, Pierre JS, Krespi K, Outreman Y. 2009. How could host discrimination abilities influence the structure of a parasitoid community. Bulletin of entomological research 99, 299-306.

34. Roux O., Le Lann C., van Alphen J.J.M. and van Baaren J. 2010. How does heat shock affect the life history traits of adults and progeny of the aphid parasitoid Aphidius avenae (Hymenoptera: Aphidiidae)? Bulletin of Entomological Research, 100, 543-549.

35. Le Ralec A., Anselme C., Outreman Y., Poirié M., van Baaren J., Le Lann C., van Alphen J.J.M. 2010. Evolutionary ecology of the interactions between aphids and their parasitoids. Comptes Rendus Biologies, 333(6-7), 554-565.

36 Ismail M, Vernon P, Hance T and van Baaren J.. 2010. Physiological Costs of Cold Exposure on the Parasitoid Aphidius ervi, without selection pressure and under constant or fluctuating temperatures. Biocontrol. 55, 729–740.

37. Moiroux J, Le Lann C, Seyahooei MA, Vernon P, Pierre JS, van Baaren J and van Alphen JJM. 2010. Local adaptations of life history traits of a Drosophila parasitoid, Leptopilina boulardi: does climate drive evolution? Ecological Entomology.35, 727-736.

38. Le Lann C, Roux O, Serain N, van Alphen JJM, Vernon P and van Baaren J. 2011. Thermal tolerance of sympatric hymenopteran parasitoid species: does it match seasonal activity? Physiological Entomology. 36, 21–28.

39. Le Lann C., Outreman Y., van Alphen J.J.M. and van Baaren J. 2011. First in, last out: asymmetric competition influences patch exploitation of a parasitoid. Behavioral Ecology. 22(1),101-107.

40. Le Lann C., Wardziak T., van Baaren J., van Alphen J.J.M. 2011. Thermal Plasticity of metabolic rates linked to life-history traits and foraging behaviour in a parasitic wasp. Functional ecology. 25, 641–651.

41. Denis D, Pierre JS, van Baaren J & van Alphen JJM. 2011. How temperature and habitat quality affect parasitoid lifetime reproductive success- a simulation study. Ecological modelling 222 (9) 1604-1613.

42. Louâpre P, van Baaren J, Pierre JS and van Alphen JJM. 2011. Information gleaned and former patch quality determine foraging behavior of parasitic wasps. Behavioral Ecology 22: 1064-1069.

43. Josso C., Moiroux J., Vernon P., Van Baaren J., Van Alphen J.J.M. 2011. Temperature and parasitism by Asobara tabida (Hymenoptera: Braconidae) Influence larval pupation behaviour in two Drosophila species. Naturwissenshaften 98, 705-709.

44. Le Lann C , Visser B, van Baaren J, van Alphen JJM,  Ellers J. 2012. Comparing resource exploitation and allocation of two closely related aphid parasitoids sharing the same host. Evolutionary Ecology. 26, 79-74.

45. Bourdais D, Krespi L, Vernon P and van Baaren J..2012. Behavioural consequences of cold exposure on males and females of Aphidius rhopalosiphi De Stephani Perez (Hymenoptera: Braconidae). Biological Control 57, 349-360.

46. Sorribas J, van Baaren J, Garcia-Marí F. 2012. Effects of climate on the introduction, distribution and biotic potential of parasitoids: applications to biological control of California red scale. Biological control, 62, 103-112.

47. Vayssade C., Martel V., Moiroux J., Fauvergue X, van Alphen J.J.M. & van Baaren J. 2012. The response of life-history traits to a new species in the community: a story with Drosophila parasitoids from the Rhône and Saone valleys. Biological Journal of the Linnean Society 107, 153-165.

48. Ismail M, Vernon P, Hance T, Pierre JS, and van Baaren J. 2012. What are the possible benefits of small size for energy-constrained ectotherms in cold stress conditions? Oikos, 121, 2072-2080 (IF=3.39).

49. Monceau K and van Baaren J. 2012. Female teneral mating in a monoandrous species. Ecology and Evolution. 2 (7): 1426-1436.

50. Moiroux J, van Baaren J, Giron D, Vernon P and van Alphen JJM. 2012. Evolution of metabolic rate in a parasitic wasp: the role of limitation in intrinsic resources. Journal of Insect Physiology, 58, 979-984.

51. Denis D., Pierre J. S., Van Baaren J. & Van Alphen. 2012. Physiological adaptations to climate change in pro-ovogenic parasitoids. Journal of Theoretical Biology 309, 67-77.

52.  Dufour C, Louâpre P, van Baaren J and Martel V. 2012. When parasitoid males make decisions: information used when foraging for females.  Plos One. 7 (10), e46706 Les deux derniers auteurs sont co-derniers auteurs.

53. Vuarin P, Allemand R, Moiroux J, van Baaren J, P. Gibert. 2012. Geographic variations of life history traits and trade-offs in different populations of the parasitoid Leptopilina heterotoma. Naturwissenschaften. 99(11): 903-912. Les deux derniers auteurs sont co-derniers auteurs.

54 : Moiroux J, Delava E, Fleury F, and van Baaren J. 2013. Local adaptations of a parasitoid: habitat-specific differences in thermal reaction norms. J Evol Biol 26 (5): 1108-1116.

55. Andrade TO, Hervé M, Outreman Y, Krespi L and van Baaren J. 2013. Winter host selection influences fitness traits in a parasitoid. Entomologia Experimentalis et Applicata 147(2): 167-174.

56. Ismail M, van Baaren J, Hance T, Pierre JS, and Vernon P. 2013. Stress intensity and fitness in the parasitoid Aphidius ervi (Hymenoptera: Braconidae): temperature below the development threshold combined with thermal fluctuating regime is a must. Ecological Entomology 38(4): 355-363.

57. Denis D., Pierre J. S., Van Baaren J. and Wajnberg E. 2013. Evolution of a physiological trade-off in a parasitoid wasp: how best to manage lipid reserves in a warming environment. Entomologia Experimentalis et Applicata, 148(1): 27-38.

       58 : Le Lann C, Visser B, Meriaux M, Moiroux J, van Baaren J, van Alphen JJM, Ellers J. 2014. Rising temperature reduces divergence in resource use strategies in coexisting parasitoid species. Oecologia. 174(3): 967-977.

59. Ismail M, van Baaren J, Pierre JS, Vernon P, Hance T. 2014. Fitness consequences of cold storage of Aphidius ervi (Hymenoptera: Braconidae). Biocontrol 59 (2): 139-148.

60. Louâpre P, Llopis S, Martel V and van Baaren J. 2014. Sperm-depleted males influence conspecifics’ mate choice. Naturwissenshaften 101 (11) 875-882.

61. Alford L, Andrade TO, Georges R, Burel F, van Baaren J. 2014. Could behaviour and not physiological thermal tolerance determine winter survival of aphids in cereal fields? PLoS ONE 9 (12): e114982. doi:10.1371/journal.pone. 0114982.

62. Louâpre P, Fauvergue X, van Baaren J and Martel V. 2015. The male mate search: an optimal foraging issue? Current Insect Science. 9:91–95.  

63. Sulmon C, van Baaren J, Cabello-Hurtado F, Gouesbet G, Hennion F, Mony  C, Renault  D, Bormans M, El Amrani A, Wiegand C, Gérard C. 2015. Genericity of stress responses between organisms: molecular reality, but next? Environmental Pollution 202: 66-77.

64. Kishani H, van Baaren J.  2015. Does Wolbachia infection affect decision-making in a parasitic wasp?. Entomologia Experimentalis et Applicata 155(2) : 102-116.

65. Andrade TO, Outreman Y, Krespi L, Plantegenest M, Vialatte A, Gauffre B, van Baaren J. 2015 Spatiotemporal variations in aphid-parasitoid relative abundance patterns and food webs in agricultural ecosystems. Ecosphere 6 (7), number 113.

66. van Baaren J, Dufour C, Pierre JS, Martel V & Louâpre P. 2016. Evolution of life-history traits and mating strategy under competition: a case study on males from two populations of Drosophila parasitoid. Biological Journal of the Linnean Society. 117   Issue: 2   Pages: 231-240.

67. Andrade TO, Krespi L, Bonnardot V, van Baaren J & Outreman Y. 2016. Impact of climate conditions on the diversity and function of a guild of aphid parasitoids. Les deux derniers auteurs sont co-derniers auteurs. Oecologia 180 p 877-888.

68: Tougeron K, van Baaren J, Burel F, Alford L. (2016) Comparing thermal tolerance across contrasting landscapes; first steps towards understanding how landscape management could modify ectotherm thermal tolerance. Insect Conservation and Diversity 9 (3): 171-180. doi: 10.1111/icad.12153.

69: Alford L, Burel F, van Baaren J. (2016) The ecological relevance of critical thermal measures employing a cooling cylinder. Entomologia Experimentalis et Applicata 159 (1): 61-69.

70. Eoche-Bosy D, Outreman Y, Andrade TO, Krespi L, van Baaren J. (2016) Seasonal variations in the availability of host resources influence foraging strategy in parasitoids. Entomologia Experimentalis et Applicata. 161 (1): 11-19.

71. Alford L, Androdias A, Franco T, Burel F, van Baaren J. 2016. Potential host manipulation by the aphid parasitoid Aphidius avenae to enhance cold tolerance. Plos One Volume: 11   Issue: 12     Article Number: e0168693.

72. Moiroux J, van Baaren J, Poyet M, Couty A, Eslin P, Prévost G, Séguin J, & Le Roux V. 2018. Response of life history traits to artificial and natural selection for virulence and non-virulence in a drosophila parasitoid, Asobara tabida. Insect Science 25 (2), 317-327.

73. Kishani Farahani H, Ashouri A, Goldansaz SH, Shapiro MS, Pierre JS, van Baaren J. 2017. . Decrease of memory retention in a parasitic wasp: an effect of host manipulation by Wolbachia. Insect Science 24 (4): 569-583.

74. Tougeron K., Le Lann C., Brodeur J. & van Baaren J. 2017. Are aphid parasitoids from mild winter climates losing their winter diapause? Oecologia 183:(3), 619-629.

75. Kishani Farahani H., Ashouri A., Zibaee A., Abroon P.,  Alford L., Pierre JS, van Baaren J. 2017. Early life nutritional quality effects on adult memory retention in a parasitic wasp. Behavioural Ecology. 28 (3): 818-826

76. Tougeron K, Hraoui G, Le Lann C, van Baaren J & Brodeur J. 2017. Competition for hosts induces offspring summer diapause in aphid parasitoids. Insect Science, 00, 1–9, DOI 10.1111/1744-7917.12491

77. Damien, M., Le Lann, C., Desneux, N., Alford, L., Al Hassan, D., Georges, R., Van Baaren, J., 2017. Flowering cover crops in winter increase pest control but not trophic link diversity. Agr. Ecosyst. Environ. 247, 418-425.

78. Outreman Y Andrade TO, Krespi L, Violle Cyrille, van Baaren J. 2017. Factors driving life-history traits in a community of aphid parasitoids: environmental filtering and niche partitioning. Funct Ecol 247: 418-425.

79. Alford L, Kishani Farahani H, Pierre JS, Burel F, van Baaren J. 2017. Why is there no impact of the host species on the physiological thermal tolerance of a generalist parasitoid? Journal of Insect Physiol 103: 71-77.

80. Alford L, Tougeron K, Pierre JS, Burel F, van Baaren J. 2018. The effect of landscape complexity and microclimate on the thermal tolerance of a pest insect. Insect Science 25 (5): 905-915. 

81. van Baaren J and Candolin U. 2018. Plasticity in a changing world: Behavioural responses to human perturbations. Current Opinion in Insect Science. Article sur invitation pour la section Behavioural Ecology 2018 éditée par Eric Wajnberg et Emmanuel Desouhant.

82. Cebolla R, Urbaneja A, van Baaren J, Tena A.  2018. Negative effect of global warming on biological control is mitigated by direct competition between sympatric parasitoids. Biological Control 122: 60-66.

83. Tougeron K, van Baaren J, Brodeur J, Llopis S, Ridel A, & Le Lann C. 2018. Disentangling plasticity from local adaptations in diapause expression of parasitoids from and within contrasted thermal environments. Biological Journal of the Linnean Society 124(4): 756-764.

84. Tougeron K, Damien M, Le Lann C, Brodeur J & van Baaren J.  2018. Changes in host-parasitoid communities over the years in cereal crops of Western France: Does climate warming matters? Frontiers in Ecology and Evolution-Population and Evolutionary Dynamics”. 6:173.

85. Tougeron K, Le Lann C, & van Baaren J., Brodeur J. 2019. Diapause expression in a Quebec population of the parasitoid Aphidius ervi (Hymenoptera: Braconidae. The Canadian Entomologist 151: 345–349.
 86.  Kishani Farahani H, Moghadassi Y, Alford L, van Baaren J. 2019. Effect of interference and exploitive competition on associative learning by a parasitoid wasp: a mechanism for IFD? Animal Behaviour 151: 157:163.
87. Mathé-Hubert H, Kremmer L, Colinet D, Gatti JL, Van Baaren J, Delava E and Poirié M. 2019. Variation in the venom of parasitic wasps, drift or selection? Insights from a multivariate QST analysis.”. Frontiers in Ecology and Evolution-Chemical Ecology.
88. Tougeron K., Brodeur J., van Baaren J., Renault D. and Le Lann C. 2019. Sex makes them sleepy: host reproductive status induces diapause in a parasitoid population experiencing harsh winters. bioRxiv 371385, ver. 6 peer-reviewed and recommended by PCI Ecology.
89. Van Baaren J. 2019. The impact of climate on the winter strategies of insects. Comptes Rendus Biologies, Elsevier Masson,342 (7-8), pp.277-278.

90. Tougeron K, Brodeur J, Le Lann C, van Baaren J. 2019. How climate changes affect parasitoids’ seasonal ecology?  Ecological Entomology 45, 167-181.

91. Damien M, Barascou L, Ridel A, Van Baaren J, Le Lann C 2019. Food or host: do physiological state and flower type affect foraging decisions of parasitoids? Behavioral Ecology and Sociobiology 73:156.

92. Ortiz-Martínez S., Pierre J.S., Van Baaren J., Le Lann C., Zepeda-Paulo F., Lavandero B. 2019. Interspecific competition among aphid parasitoids: molecular approaches reveal preferential exploitation of parasitized hosts. Scientific Reports 9(1): 19641-19641.

93. van Baaren J., Wist T, Soroka J, Tougeron K. 2020. Host-parasitoids network in extreme conditions: the case of cereal aphids in wheat crops in Saskatchewan, Canada. Entomologia generalis 40 (1): 63-77.

94. Tougeron K, Devogel M, van Baaren J, Le Lann C, Hance T. 2020. Trans-generational effects on diapause and life-history-traits of an aphid parasitoid. Journal of Insect Physiology. 121. 104001.

95. Damien M, Llopis S, Desneux N, Van Baaren J and Le Lann C. 2020. How does floral nectar quality affect life history strategies in parasitic wasps. Entomologia generalis 40(2): 147–156.

96. Jeavons E, van Baaren J, Le Lann C. 2020. Resource partitioning among a pollinator guild: 1 a case study of flower monocultures under high honeybee pressure. Acta Oecologia 104. 103527.

97. Alvarez-Baca J, Alfaro-Tapia A, Lavandero B, Le Lann C, Van Baaren J. 2020. Suitability and profitability of a cereal aphid for the parasitoid Aphidius platensis in the context of conservation biological control of Myzus persicae in orchards.  Insects, 11 (6), 381.

98. Alford L, Louâpre P, Mougel F, van Baaren J. 2020. Measuring the evolutionary potential of a diapause-avoiding parasitic wasp to climate change. Oecologia 194 (1-2) 41-50.  Springer Verlag, 2020,

99. Tougeron K., van Baaren J., Town J., Nordin, D., Dumonceaux T.  & Wist T. 2021. Body-color plasticity of the English grain aphid in response to light in both laboratory and field conditions. Evolutionary Ecology 35 (1): 163-163, 2020)

100. Ismail M, Brooks M, van Baaren J, Albittar L. 2021. Synergistic effects of temperature and plant quality, on development time, size and lipid in Eccritotarsus eichhorniae. Journal of Applied Entomology 145: 239-249.

101. Le Lann C, van Baaren J & Visser B. Dealing with predictable and unpredictable temperatures in a climate change context: the case of parasitoids and their hosts 2021 Journal of Experimental Biology‏, Cambridge University Press, 224 Issue: Suppl 1: jeb238626.

102. Alfaro-Tapia A, Alvarez-Baca J, Tougeron K, Lavandero B, Le Lann C, Van Baaren J 2021. . Overwintering strategies and life-history traits of different populations of Aphidius platensis along a latitudinal gradient in Chile. In press Entomologia Generalis.

103. Kishani Farahani H., Ashouri A., Abroon P.,  Alford L., Pierre JS, van Baaren J. 2021. Wolbachia manipulate fitness benefits of olfactory associative learning in a parasitoid wasp. Journal of Experimental Biology. In press.

104. Jeavons E, van Baaren J, Le Ralec A, Buchard C, Duval F, Llopis S, Postic E, Le Lann C. 2021. When resource diversification fails to enhance cereal aphid control: intraguild competition and predation matters. In press J Applied Ecology.

Chapitres de livre

1. van Baaren J., Boivin G., Outreman Y. 2006. Deleterious effects of low temperature exposure on learning capacities in a parasitoid. Int J Comp Psychol, 19, 368-385.

2. Van Baaren J., Boivin G., Bourdais D. & Roux O. 2007. Antennal sensilla of hymenopteran parasitic wasps: variations linked to host exploitation behavior. In: Antonio Mendez Vilas, Jesus Diaz Alvarez (eds), Modern research and educational topics in microscopy, pp. 345-352. Elsevier.

3. Van Baaren J., Le Lann C & van Alphen J. 2010. Consequences of Climate Change for Aphid-Based Multi-trophic Systems. In : P. Kindlmann, A.F.G. Dixon, J.P. Michaud (eds.), Aphid Biodiversity under Environmental Change. Springer Science 2010., ISBN: 978-90-481-8600-6

4. van Baaren J , Baglinière JL, Martignac F, Bal G, Le Lann C,  Roussel JM. 2013. Perturbations des habitats et chaînes trophiques dans les écosystèmes continentaux aquatiques et terrestres. In : Ph. Merot, D. Delahaye, V. Dubreuil (eds) « Le changement climatique, ses impacts sur la biodiversité et les activités humaines en Bretagne ». Presses Universitaires Rennaises.

5. Sauvion N. & van Baaren J. (2013) Impacts des changements climatiques sur les interactions insectes-plantes. Dans Sauvion N., Calatayud P., Thiéry D. & Marion-Poll F., Interactions insectes-plantes, Quae & IRD Editions, p. 589-620. Prix Réaumur 2015 de la Société Entomologique de France.

6. Kaiser L, Calatayud PA,  Colazza S, Thiel A, Ode P, van Barren J, Cortesero AM, van Nouhuys S. The plant as a biotop for entomophagous insects. In: Adv Bot Res Serie  81 : "Insect-Plant Interactions: a crop protection perspective". 2017. Elsevier.

7. Calatayud PA, Rodet G, Henry M, Rasmann S, Pincebourde S, Van Baaren J, Rasmont P. Climate-driven change and Human activities in plant-insect interactions. In: Adv Bot Res Serie  81: "Insect-Plant Interactions: a crop protection perspective". 2017. Elsevier.

8. Ma G, Le Lann C, van Baaren J & Ma CS. Night Warming Affecting Interspecific Interactions: Implications for Biological Control. In : Y. Gao et al. (eds.), Integrative Biological Control, Progress in Biological Control 20. Springer Nature Switzerland AG 2020. PP 39-53.



Family name, First name: VAN BAAREN Joan (joan [dot] van-baarenatuniv-rennes1 [dot] fr)

Researcher unique identifier(s): IdHAL: joan-van-baaren 745803; ORCID: 0000-0002-8552-9645

URL for web site:;


2001: HDR (Degree allowing to supervise PhD Students) in evolutionary ecology (with highest honours), Univ. Rennes 1, Rennes, France. Title : Conséquences adaptatives et évolutives des relations inter-individuelles chez les insectes : Capacités perceptives intra- et interspécifiques des Hyménoptères parasitoïdes. Caractérisation, fonction et évolution du grégarisme chez les Blattaria

1990-1994 : PhD in Evolutionary Ecology (with highest honours), Univ. Rennes 1, Rennes, France. Title: Capacité discriminatoire, installation et régulation du superparasitisme chez les Hyménoptères parasitoïdes.

1989-1990: Master in Ecology-Ethology-Evolution, Univ.Rennes 1 (rank 1/25)


2021 – Distinguished Prof., UMR-CNRS 6553 ECOBIO, Univ. Rennes 1, France.

2012-2021 – Professor, (2nd then 1st class Professor), UMR 6553 ECOBIO, Univ. Rennes 1, France

2006-2012 - Associate professor, UMR 6553 ECOBIO, Univ. Rennes 1, France

1996-2006 – Associate professor, UMR 6552, EvE, Univ. Rennes 1, France

1994-1995- Postdoctoral research in Evolutionary Ecology. CRDH Agriculture Canada, Saint-Jean-Sur-Richelieu, Quebec, Canada. Title: “Learning in parasitoids”. Supervision: Dr. Guy Boivin.


2022 and 2023: Awarded two 6-month Research Sabbaticals (Delegation) by the CNRS, France.

2020-2021: Awarded “Semestre de l’Innovation” of the Rennes 1 Fondation ( (6-month Research Sabbaticals), France

2016-2019 and 2020-2024: Award rank A PEDR (Research and Thesis Direction) (National recognition)

2011-2015: Award for Scientific Excellence PES (Prime d’Excellence Scientifique) (National recognition)

2008: Laureate of the Vlalta program organized by the French Embassy in the Czech Republic.

2002: OCDE Scholarship for a 3-month stay at the CRDH Agriculture Canada, Quebec-Canada.

1999-2002; 2003-2006; 2007-2010: Award rank A PEDR (National recognition)

1994-1995: Scholarship for post-doc of the Fondation Fyssen (, France.


2019-2022: IF for Lucy Alford. FAB (841952): “Functional Agricultural Biodiversity: Optimising ecosystem service provision via functional agricultural biodiversity”.

2016-2018: IF for Juan Sorribas. FLORALWOOD (660593): “Selecting non-crop flowering plants for enhancing natural enemies of crop pests in agro ecosystems under climate change perspective”

2013-2015: IEF for Lucy Alford. CLIMLAND: “Disentangling landscape and climate effects on insect communities to inform engineering solutions to enhance biological control in a changing climate”

2006-2021: 6 post-doc,12 PhDs, 35 Master students, UMR ECOBIO, Univ. Rennes 1, France

1999-2006: 7 Master students, UMR EvE, Univ. Rennes 1, France


Teaching: 2021 to 2023: 96h/year (Research sabbatical). 1/3 Master level, 2/3 Bachelor level. Univ. Rennes 1, France.

1996-2020: 192 to 250h/year. Lectures, tutorials and practices classes in Evolutionary biology, Behavioural Ecology, Ecology, Climate change, Biological control, Conservation biology, Ecological engineering, Sociology, Neurosciences: 1/3 Master level, 2/3 Bachelor level. Univ. Rennes 1, France.

Responsibilities: 2006-2013: Coordinator of a Master degree: “Espaces ruraux et péri-urbanisation” (25 students/year) and of the third year of a Bachelor diploma: “Biological sciences”. Speciality:  Biology of organisms (160 students/year). Univ. Rennes 1, France.

Outreach activities: Total of 20 conferences towards a large audience : 2019 (April 23) “Les mardis de l’espace des sciences”:, 11 conferences for school groups, an exhibition that circulated in France for 5 years following the Excellence Marie Curie Chair (2009-2013)

One paper in a large audience review (Van Baaren, J., Boivin, G. & Nénon, J.P. 1997. Pour La Science, August 1997, 48-52).


1998-2022: Total of 11 Participations to congress organization. Last ones:

2022 (July): Co-organisation of 2 Symposium at ICE2020, XXVI International Congress of Entomology (more than 1000 participants), Helsinki, Finland: reported in 2022.

2021 (November) ENTOMO2021 ( organizer and host, (100 participants), Rennes, France

2021 (April): Symposium co-organisation at 2nd Int. Congress of Biological Control (ICBC2), Davos, Suisse

2018 (October) SFECOLOGIE 2018 ( Host and co-organizer. International congress, 800 participants, Rennes, France.


Since 2018: Dept. Chair, Lab. UMR 6553 ECOBIO, Univ. Rennes 1, France. 137 members: 48 researchers and teachers, 36 technical staff, 28 PhDs, 11 post-docs. I will stop this function if GRADIENTS is funded.

2017-2022: Full member of competition juries for technical staff (ITRF) (French national responsibility)

2016-2021: Member of the Administrative Council of the Univ. Rennes 1, France.

2015-2016 and 2010-2012: Member of CNU (National Committee in charge of academic staff promotions)

2012-2018: Co-chair of the department UMR 6553 ECOBIO, Univ. Rennes 1, France.

2010-2021: Member of 11 recruitment committees for several French Universities (Rennes- Lyon, Dijon, Tours, Besançon) and INRAE (the National Research Institute for Agriculture, Food and the Environment).

2006-2018: President of the committee “International relationships and link with companies” of the Doctoral school VAS “Vie-Agro-Santé” of the Univ. Rennes 1, France.

1997-2021: Member of jury for 24 PhDs, among them 2 internationals, 21 out from Rennes, and 5 HDRs

1997-2004: Member of the “commission des spécialistes” (recruitment committee), Univ Rennes 1, France

Since 2021: Scientific advisory board of the committee “Climate Change”, Brittany Region, France
Since 2020: Associate editor: CABI (
2019 and 2021: Vice-president of evaluation board French National Research Agency (ANR), France
Since 2016: Scientific Advisory Board of the National Ecophyto Research and Innovation committee CSO R&I: ( 10/Plaquette_membres_CSORI_Decembre.pdf)
2010-2019 (each year): Evaluator for the Fonds National de la Recherche Scientifique (FNRS), Belgium.
2010 and 2018: Evaluator for the Canadian government (Ouranos programme).
2010 and 2019-2020: Review panel member of European projects (Marie-Curie Grants: IIF and IOF, IF)


2021: President elect of the International Branch of the Entomological Society of America

2021: Coordination of the scientific prospective in Agro-ecology, Institut Ecologie et Environnement, (INEE), CNRS, France

2016- present: Member of Society of Ecology and Evolution (SFE2), France.

PhD students

Le Lann Cécile : (2006-2009) : Impact des changements climatiques sur l’évolution des traits d’histoire de vie dans la guilde des Hyménoptères parasitoïdes Aphidiidae. Bourse MRT.

Ismail Mohannad : (2006-2011) : Plasticité de la réponse à l’exposition au froid chez Aphidius ervi dans le cadre des processus de stockage utilisés en lutte biologique. Co-encadrement avec le Pr Hance (Université Catholique de Louvain-La-Neuve) et P Vernon (DR ECOBIO).

Moiroux Joffrey (2007-2010): Evolution des stratégies de reproduction de parasitoïdes de drosophiles en réponse au climat. Co-encadrement avec le P van Alphen, (Univ Leiden). MRT.

Sorribas Juan (thèse soutenue en 2011). Accueil de ce doctorant pour un séjour de 4 mois (septembre-décembre 2009) dans le cadre des bourses de mobilité entrantes de l’UEB. Université de Valencia (Espagne).

Andrade Thiago (2010-2013) : Effet de la structure du paysage agricole et du climat sur le fonctionnement des populations de parasitoïdes de pucerons. Bourse ANR Landscaphid et Région Bretagne.

Hossein Kishani (soutenue en 2015). Comparaison des capacités d’apprentissage entre lignées sexuées et asexuées de Trichogramma brassicae. Accueil de ce doctorant pour un séjour de 6 mois (mai-octobre 2013) (Université de Téhéran).

Kevin Tougeron (2014-2017). Thèse en co-tutelle financée pour moitié par l’université de Montréal et pour moitié par la Région Bretagne. Co-encadrement avec le Pr. J Brodeur de l’université de Montréal et C Le Lann (ECOBIO). Titre : Effets des changements climatiques sur la diapause chez les parasitoïdes des pucerons des céréales.

Maxime Damien (2015-2018). Thèse en co-direction (avec N Desneux et C Le Lann) financée pour moitié par l’INRA et pour moitié par le projet PSPE FLEUR. Biodiversité végétale et aménagements fonctionnels en grande cultures : impact sur les pucerons et leurs parasitoïdes.

Jeniffer Alvarez Baca (2016-2021). Thèse en co-tutelle internationale avec le Prof. Blas Lavandero de l’université de Talca. Cette thèse est financée à 100% par le gouvernement chilien pour une durée de 4 ans et demi et comportera deux ans de mobilité en France en différents séjours. Mise en place d’une méthode de contrôle biologique des pucerons sur arbres fruitiers (pêchers principalement) à l’aide de couverts hivernaux céréaliers.

Armando Alfaro Tapia (2016-2021). Thèse en co-tutelle internationale avec le Prof. Blas Lavandero de l’université de Talca. Cette thèse est financée à 100% par le gouvernement chilien pour une durée de 4 ans et demi et comportera deux ans de mobilité en France en différents séjours. Evolution de la diapause chez les parasitoïdes des pucerons des céréales au Chili.

Emma Jeavons (2017-2020). Thèse CIFRE avec l’entreprise Yves Rocher. En co-direction avec Cécile Le Lann. Optimisation des services écosystémiques de pollinisation et de lutte biologique par conservation.

Sacha Roudine (2019-2022). Thèse en co-direction avec Cécile Le Lann et Anne Le Ralec. Impact des plantes de service sur le contrôle des ravageurs de grandes cultures céréalières. Co-financement projet PLANTSERV (Plan Ecophyto 2+) et ARED Région Bretagne.


  • Porteur du projet IEA (International Emerging Actions CNRS) avec la Chine (CAAS: Chinese Academy of Agricultural Science, Institute of Plant Protection, Beijing) 2020-2021. 14000
  • Participante projet ANR « Cultiver autrement » : projet DEEP IMPACT (2021-2027)
  • Porteur du projet: bourse Marie Curie IEF pour Lucy Alford (septembre 2019-août 2021) : Projet FAB : Functional Agricultural Biodiversity : Optimising ecosystem service provision via functional agricultural biodiversity. 200k€
  • Participante au projet PLANTSERV (plan Ecophyto 2) (2019-2022) « Impact des plantes de service sur le contrôle des ravageurs de grandes cultures céréalières. ECOBIO porteur (Cécile Le Lann). 200 k€
  • Participante au projet Biodiversa WOODNET (2016-2019) Connectivity patterns and processes along a gradient of European landscapes with woody vegetation and spatial heterogeneity. Responsible WP3.
  • Porteur du projet : bourse Marie Curie IEF pour Juan Sorribas (janvier 2016-janvier 2018). Projet FLORALWOOD: “Selecting non-crop flowering plants for enhancing natural enemies of crop pests in agroecosystems under climate change perspective ». 200k€
  • Porteur du projet Ecophyto PSPE 2014 « FLEUR » : Manipulation de la biodiversité floristique en grandes cultures (septembre 2015-septembre 2018). En lien avec 3 entreprises. 140k€
  • Participation au contrat européen FP7 IRSES APHIWEB « Structure, strength and invasibility of aphid food webs » (février 2014-janvier 2018). Responsable pour l’Université de Rennes 1. 30k€
  • Porteur du projet : bourse Marie Curie IEF pour Lucy Alford (avril 2013-avril 2015). Projet CLIMLAND: « Disentangling landscape and climate effects on insect communities to inform engineering solutions to enhance biological control in a changing climate”. 200k€
  • Co-responsable de la tâche 2 du projet ANR Systerra LANDSCAPHID « Influence du paysage sur les pucerons ravageurs des cultures et le potentiel de contrôle biologique - Application à l'ingénierie écologique pour la gestion des ravageurs » (2010-2013). 1200k€
  • Porteur du projet ANR Blanche CLIMEVOL « Changement climatique et évolution des interactions hôtes-parasitoïdes : des molécules aux communautés» (2009-2012): Ce projet implique 4 équipes: ECOBIO Rennes 1 (porteur du projet), Université de Lyon 1, Université d’Amiens, Université de Nice Sophia Antipolis. 450k€
  • Porteur scientifique du projet Marie Curie « Chaire d’excellence » (2006-2009). Ce projet, intitulé « COMPAREVOL » (site web: http//, a permis le financement de la venue du Pr. Van Alphen (Université de Leiden), pendant 3 ans au sein de l’UMR ECOBIO, en tant que titulaire de la Chaire d’excellence. Dans ce cadre, il a co-dirigé avec moi le projet de recherche intitulé « Evolution des traits d’histoire de vie des parasitoïdes dans le contexte des changements climatiques ». 300k€
  • Porteur du Projet SIE (Soutien aux Initiatives Européennes) ECOCLIM: 84k€.