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ECOLOGICAL AND CYTOGENETIC STUDIES OF DROSOPHILA FLAVOPILOSA, A NEOTROPICAL SPECIES LIVING IN CESTRUM FLOWERS
  • D. Brncic
  • Biology, Medicine
  • Evolution; international journal of organic…
  • 1 March 1966
TLDR
Analysis of larval samples collected directly in their natural breeding sites has demonstrated that the populations of D. flavopilosa are polymorphic for the gene arrangements in their chromosomes, and that the frequencies of certain heterokaryotypes vary according to the geographic regions. Expand
A comparative study of chromosomal polymorphism in certain south american species of Drosophila
TLDR
A comparative study of chromosomal polymorphism in certain south american species of Drosophila finds patterns similar to what is seen in Europe and North America. Expand
Non Random Association of Inversions in Drosophila Pavani.
  • D. Brncic
  • Biology, Medicine
  • Genetics
  • 1 April 1961
THE MESOPHRAGMATICA GROUP OF SPECIES OF DROSOPHILA
TLDR
The present article reports the results of a study of the evolutionary status of a cluster of related species, which may be called the 1esophragmatica species group from the oldest described species Drosophila mnesophragrnatica Duda. Expand
Isozyme frequency patterns in Drosophila pavani associated with geographical and seasonal variables.
TLDR
There was suggestive evidence for selection in Drosophila pavani populations from a number of localities in Chile, and a significant portion of the variation among populations was associated with variation in gross environmental variables. Expand
Preadult Competition between Drosophila Pavani and Drosophila Melanogaster, Drosophila Simulans, and Drosophila Willistoni
TLDR
When the Chilean endemic species Drosophila pavani compete during the pre- adult stage on a limited amount of food with D. willistoni, developmental periods were significantly retarded, but egg-to-adult viability decreased only in the presence of D. melanogaster, indicating that the metabolic waste products of the first species probably interferes with the development of the second. Expand
Quantitative analysis of genetic differentiation among European and Chilean strains of Drosophila subobscura
TLDR
The divergence of the local populations with regard to the quantitative traits described here, supplements other evidence of interpopulational differences in mating activity, chromosomal and enzyme polymorphisms and indicates that the evolutionary process that promotes race formation is relatively rapid. Expand
An analysis of a Drosophilidae community in Central Chile during a three years period
TLDR
The diversity analysis, the index of evenness and cluster analysis of the samples and species in time, shows that the community structure changes drastically through the year and, that each species has a clear seasonal pattern. Expand
An eight year phenological study of a local drosophilid community in Central Chile
TLDR
In the outskirts of Santiago, Chile, collections of drosophilids were performed every month from 1984 to 1991, and the population sizes of all the species show annual and monthly periodic fluctuations, detected by autocorrelations analyses, excepting D. melanogaster, that exhibits very weak monthly correlations. Expand
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