Effective population size in Hymenoptera with complementary sex determination

Article Abstract:

The effects of diploid male production of N(sub e) in hymenopterans with complementary sex determination when diploid males are either inviable or effectively sterile are assessed theoretically. The N(sub e) of hymenopteran populations reduces by the low allelic diversity at the sex locus and this effect is largest when diploid males are effectively sterile.

Sexual behavior, Hymenoptera

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Quantitative genetic variation in an island population of the speckled wood butterfly (Pararge aegeria)

Article Abstract:

Quantitative genetic variation for the Speckled Wood butterfly Pararge aegeria is analysed on the island of Madeira about 120 generations after first colonization. Observations reveal reduction of additive genetic variance since colonization.

Environmental aspects, Butterflies, Madeira Islands, Atlantic Islands

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Factors influencing the population structure of Aedes aegypti from the main cities in Cambodia

Article Abstract:

A population genetic analysis is conducted on 47 Aedes aegypti collections from Cambodia. Genetic differentiation at seven polymorphic isoenzyme loci was analyzed by starch gel electrophoresis.

Goods & services distribution, Channels of Distribution, Cambodia, Distribution, Aedes albopictus, Aedes, Company distribution practices

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