Analysis of a contact zone in the Forficula auricularia L. (Dermaptera: Forficulidae) species complex in the Pyrenean Mountains

Article Abstract:

A Forficula auricularia L. (Dermaptera: Forficulidae), earwig insect, species-complex contact zone in the Pyrenees Mountains has been analyzed. Two sibling species differ in life history and have diverged at the molecular level. The PCR-RFLP method was used on two mitochondrial regions. Findings show coexistence of the sibling species at an intermediate altitude, but at lower and higher altitudes only one species was seen

Environmental aspects, Natural history, Mitochondrial DNA, Animal life cycles, Hybridization, Earwigs, Mountains, Pyrenees

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Population genetic structure in a human-disturbed environment: a case study in the land snail Helix aspersa (Gastropoda: Pulmonata)

Article Abstract:

Research has been conducted on genetic variation in land snail Helix aspersa (Gastropoda: Pulmonata). The authors have investigated the spatial genetic differentiation extent among H. aspersa populations in the human-disturbed environment, and have reported the results.

Science & research, Physiological aspects, Biological diversity, Biodiversity, Genetic markers, Variation (Biology), Structure

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Microspatial genetic structure in the land snail Helix aspersa (Gastropoda: Helicidae)

Article Abstract:

Microspatial genetic structure in the land snail Helix aspersa (Gastropoda: Helicidae) is discussed relative to a study using sampling in a village in Brittany. Spatial heterogeneity of allele frequencies was very significant and fixation indices showed nonrandom mating within neighborhoods. The existence of disperser individuals is probable.

Statistical Data Included, Usage, Spatial analysis (Statistics)

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