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Abstract

The native range of the honeybee Apis mellifera encompasses Europe, Africa, and the Middle East, whereas the nine other species of Apis are found exclusively in Asia. It is therefore commonly assumed that A. mellifera arose in Asia and expanded into Europe and Africa. However, other hypotheses for...

Author(s)
Han Fan; Wallberg, A.; Webster, M. T.
Publisher
Wiley-Blackwell, Oxford, UK
Citation
Ecology and Evolution, 2012, 2, 8, pp 1949-1957
Abstract

The P-M system of hybrid dysgenesis in Drosophila melanogaster was investigated on the basis of gonadal dysgenesis using 1590 strains from 28 natural populations in Japan, and 20 populations from Southeast Asia, the Pacific area and Africa. Strong P strains were found sporadically in several...

Author(s)
Matsuura, E. T.; Takada, S.; Kato, H.; Niizeki, S.; Chigusa, S. I.
Citation
Genetica, 1993, 90, 1, pp 9-16
Abstract

The frequencies of phenotypic haplotypes at the amylase loci of Drosophila melanogaster were determined in 10 samples from 7 tropical regions, including the mainland of Africa, the Indian Ocean Islands, and the French West Indies. Data for 3 temperate regions (in America, Asia and Europe) were also ...

Author(s)
Daïnou, O.; Cariou, M. L.; Goux, J. M.; David, J. R.
Citation
Genetics, Selection, Evolution, 1993, 25, 2, pp 133-151
Abstract

Reproductive isolation and morphological differences among allopatric populations of the Holarctic species Drosophila testacea indicate that this taxon is actually a complex of 3 morphocryptic species: D. testacea, from Europe and continental Asia; D. orientacea sp. nov. from Japan; and D....

Author(s)
Grimaldi, D.; James, A. C.; Jaenike, J.
Citation
Annals of the Entomological Society of America, 1992, 85, 6, pp 671-685
Abstract

The genetic relationships of the Holarctic Pieris napi species group are analysed by means of electrophoretic methods in an attempt to cluster the populations, define major radiations, examine the resultant sublineages and reconstruct the evolutionary history of the group. The data confirm previous ...

Author(s)
Geiger, H.; Shapiro, A. M.
Citation
Zeitschrift für Zoologische Systematik und Evolutionsforschung, 1992, 30, 2, pp 100-122
Abstract

Caste is usually thought to be determined entirely in the adult stage in most primitive eusocial wasps and bees. A pre-imaginal caste bias has however been recently discovered in the primitively eusocial wasp Ropalidia marginata. This study also suggested that reigning queens and possibly other...

Author(s)
Gadagkar, R.; Bhagavan, S.; Malpe, R.; Vinutha, C.
Citation
Proceedings of the Indian Academy of Sciences, Animal Sciences, 1990, 99, 2, pp 141-150
Abstract

The biological, or isolation, species concept is compared with the recognition concept of Paterson. Specific-mate recognition signals are in practice equated with premating isolating mechanisms. Acoustic signals are dominant in specific mate recognition systems of the Auchenorrhyncha. The...

Author(s)
Claridge, M. F.
Citation
Canadian Journal of Zoology, 1990, 68, 8, pp 1741-1746
Abstract

Biological characteristics of biotypes of the delphacid Nilaparvata lugens and the cicadellids Nephotettix virescens and N. nigropictus, which are important pests of rice in Asia, are reviewed. Biotypes of Nilaparvata lugens have previously been recognized on the basis of the damage which they...

Author(s)
Ramakrishnan, U.
Citation
Proceedings of the Indian Academy of Sciences, Animal Sciences, 1987, 96, 5, pp 551-559
Abstract

Although 14 years only have passed since the discovery of Leishmania donovani and L. trópica a very large number of papers have been published on these protozoa and the diseases produced by them; these articles are, however, to be found distributed throughout a large number of periodicals which are ...

Author(s)
LAVERAN, A.
Publisher
Paris: Masson et Cie.,
Citation
Leishmanioses. Kala-azar. Bouton d'Orient. Leishmaniose Americaine., 1917, pp iii + 521 pp.

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