Master 2 Internship in Entomology 14/12/2020

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Master 2_Internship in entomology 14/12/2020 M2 From March to August 2021 (6 months) Free accommodation « Oviposition dynamics of Palomena prasina (Hemiptera: Pentatomidae) and egg parasitism in French hazel orchards » In the southwest of France, bug feeding leads to huge damages to hazelnuts. Several species are directly involved in the damages, mainly the native green shield bug Palomena prasina (Pentatomidae) and the recently introduced brown marmorated stink bug, Halyomorpha halys (Pentatomidae). In bugs, the egg stage is an important step in the successful establishment of the species, and egg parasitoids are important natural enemies (Herlihy et al., 2016; Haye, 2019). Some species have been used in biological control in different countries (Jones, 1988; Ehler, 2002); a biological control essay is currently ongoing in Italy, using the Trissolcus japonicus (Hymenoptera: Scelionidae) against H. halys. In France, there is few information on the community of native parasitoids that could contribute to the natural control of P. prasina. The main objective of the internship is to evaluate the potential role of native parasitoids in an integrated pest management strategy of P. prasina in French hazel orchards. The candidate will therefore i) study the oviposition dynamics of the pest during spring and early summer in hazel orchards, ii) identify the species of egg parasitoids associated with the pest during that period, and iii) quantify parasitoid success along time. Ehler, L. (2002). An evaluation of some natural enemies of Nezara viridula in northern California. BioControl 47(3), 309-325. Haye, T. (2019). "The potential of egg parasitoids for biological control of Halyomorpha halys", in: INC. (Ankara, Turkey). Herlihy, M.V., Talamas, E.J., and Weber, D.C. (2016). Attack and success of native and exotic parasitoids on eggs of Halyomorpha halys in three Maryland habitats. PLoS One 11(3). Jones, W.A. (1988). World review of the parasitoids of the southern green stink bug, Nezara viridula (L.)(Heteroptera: Pentatomidae). Annals of the Entomological Society of America 81(2), 262-273. Candidate profile: Knowledges in trophic interaction insect-insect or insect-plant approach are a plus. Experiences in plant phenology would be appreciated. More generally, the candidate should have an interest in both field and laboratory approaches and must have a good degree of autonomy, a good level of English and the ability to work in a team. Driving license and a personal car is needed. The candidate will join a team of ten people composed of technicians, engineers and doctors working for ANPN in the Technical and Experimental Department of the cooperative of Unicoque (KOKI). The candidate will be in contact with the INRAE concerning the parasite part and the University of Turin and Toulouse concerning the biology of species. Risk and constraints: Daily contact with nuts and hazelnut allergens Please send a short Curriculum Vitae and a covering letter showing your interest and a list of your major works or letter(s) of recommendations to Alexandra Menguy, human resources assistant: [email protected] Tel: 05 53 01 60 08 ANPN, Lamouthe BP10, 47290 CANCON https://www.anpn.eu/ .

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