Genetic Diversity of Diamondback Moth, Plutella xylostella L. (Yponomeutidae: Lepidoptera) Populations in India Using RAPD Markers

Diversity and Genetic Structuration of Populations of <i>Plutella xylostella</i> (Lepidoptera, Plutellidae), Cabbage Farming Destroyer in Senegal

“…According to Pichon et al [8], P. xylostella can be regarded as a species highly polymorphic. This has been confirmed by Marthur et al [9] who indicated a strong genetic diversity in populations of box tree moths from different regions of southern and northern India. Differences in the degree of resistance to insecticides between populations can result from selection of different pressures attributable to the local variation in the way of using insecticides.…”

“…This could be supported by Caprio and Tabashnik results [23], which indicated that the local variation about the resistance against insecticides, for the Pyrale of Diamond Hawaii population, was not an indication of a restricted genetic flow, but probably due to a local variation of selection. Other studies revealed that the largest distances between P. xylostella populations reflected probably the mass and the recurrent use of insecticides [9]. A genetic difference were noticed between strains of P. xylostella that resisted against pesticides and sensitive ones [24], but between populations at different temperatures and altitudes, too [25].…”