... the other hand, the real aptitudes of the clones in situ may only be proved during a realoutbreak of the sawfly. However, an earlier mortality and a slower development ... natural climatic conditions, the lack of synchronization betweenreared insect and natural insect generations, the natural parasites and the distance between the lab and Cadouin. ... on larval survival and fecundity of Neodiprion gillettei (Hymenop-tera, Diprionidae). Environ Entomol 24, 5, 1251-1257Niemelä P, Tuomi J, Lojander T (199 1) Defoliationof...