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PubMed1981

Longevity in lines of Tribolium castaneum selected for high and for low dispersal.

A comparison between Tribolium castaneum lines selected for high and low dispersal revealed that longevity is higher for the low dispersal line. The high dispersal line is superior to the low dispersal line when early adult fitness is considered. Previous experiments reported a shorter development time for the higher dispersal time. The present study shows for this line higher survival until 60 days from enclosure.

Animals↗
PubMed2005

Linking behavioral ecology with population genetics: insights from Drosophila nigrospiracula.

Although Drosophila species provide important model systems for evolutionary biology, the ecologies and natural histories of most species are insufficiently characterized to permit predictions with respect to issues such as population genetic structure. A notable exception is the group of cactophilic Drosophila endemic to the Sonoran Desert of North America. One of these species, D. nigrospiracula, exhibits no population subdivision anywhere in its range. Here we present evidence suggesting that the timing of mating in relation to dispersal contributes to the panmixia observed in this species.

Analysis of Variance↗
PubMed1971

Genetic control of an insect neuronal network.

Motor activity responsible for the calling song of crickets is generated by a small neuronal network whose output is genetically determined. Genes controlling certain output features are located on the X chromosome. The genetic system involved is polygenic and multichromosomal. In some patterns, genetically derived information is adequate to specify the difference of a single impulse in the output of homologous neurons from different genotypes.

Animals↗