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Titlebook: Biogeography and Taxonomy of Honeybees; Friedrich Ruttner Book 1988 Springer-Verlag Berlin Heidelberg 1988 adaptation.biogeography.classif

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41#
發(fā)表于 2025-3-28 15:57:55 | 只看該作者
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42#
發(fā)表于 2025-3-28 19:07:53 | 只看該作者
Kantianism, Liberalism, and FeminismQualitative differences in honeybees are restricted only to the rank of species (see Chap.1, p. 8). The most conspicuously varying character is the male copulatory organ (Fig. 3.5). In general, these species characters show little variation within the species (exception: length of the “indica vein” in .).
43#
發(fā)表于 2025-3-28 23:33:06 | 只看該作者
The Obligation to Resist Oppression,The genus . seems to be of very simple structure at first sight, an easy object for the taxonomist. Only four well-known species, and no really close relatives. However, after scrutiny, the situation appears much more complex.
44#
發(fā)表于 2025-3-29 04:04:43 | 只看該作者
45#
發(fā)表于 2025-3-29 11:15:21 | 只看該作者
Methods of Honeybee Taxonomy: Past and PresentThe genus . seems to be of very simple structure at first sight, an easy object for the taxonomist. Only four well-known species, and no really close relatives. However, after scrutiny, the situation appears much more complex.
46#
發(fā)表于 2025-3-29 12:07:44 | 只看該作者
47#
發(fā)表于 2025-3-29 18:28:52 | 只看該作者
Stingless Bees (Meliponinae)pinae (storage of honey, production and use of wax, perennial colonies of sometimes considerable size, division of labor), and since workers of some of the (bigger) species at first glance greatly resemble . workers (Fig. 2.1), they were even named “stingless honeybees” in contrast to the “true hone
48#
發(fā)表于 2025-3-29 20:15:38 | 只看該作者
49#
發(fā)表于 2025-3-30 01:43:21 | 只看該作者
Morphometric Analysis and Classificationing taxonomic units based exclusively on local investigations may be as mis-leading as general conclusions drawn from scanty data. The main scope of this analysis was to obtain a framework — necessarily only fragmentary — of the total variability and the phenetic structure of .. To collect the sampl
50#
發(fā)表于 2025-3-30 06:26:47 | 只看該作者
Fabricius 1787:305 small body size, and special adaptations for survival. . is the most peculiar . species in several ways (Free 1981). Generally it is regarded as a species on a relatively low phylogenetic level within the genus. In several characteristics, however, it is certainly a very differentiated species, rem
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