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2017•Journal of Entomology and Zoology StudiesOpen access

Some remarks on the genetic uniformity of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

Asma Cherif, Gláucia Marconato, Wiem Hached, Barhoumi-Attia Sabrine, Hausmann Axel, Kaouthar Grissa-Lebdi

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Abstract

Genetic variability of a lepidopteran pest was studied by investigating the mitochondrial DNA CO1 (5’) of seven Tunisian populations of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). We have found a high genetic homogeneity which may confirm the hypothesis that this species was introduced only once in Tunisia. Alternatively, a selective sweep could be responsible for the absence of variability in the mitochondrial DNA.

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What this paper is about

Genetic variability of a lepidopteran pest was studied by investigating the mitochondrial DNA CO1 (5’) of seven Tunisian populations of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). We have found a high genetic homogeneity which may confirm the hypothesis that this species was introduced only once in Tunisia. Alternatively, a selective sweep could be responsible for the absence of variability in the mitochondrial DNA.

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Available abstract

Genetic variability of a lepidopteran pest was studied by investigating the mitochondrial DNA CO1 (5’) of seven Tunisian populations of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). We have found a high genetic homogeneity which may confirm the hypothesis that this species was introduced only once in Tunisia. Alternatively, a selective sweep could be responsible for the absence of variability in the mitochondrial DNA.

Key concepts: Gelechiidae, Tuta absoluta, Lepidoptera genitalia, PEST analysis, Biology, Mitochondrial DNA, Botany, Horticulture

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