Interpopulation variation in morphometric characteristics of the ant <Emphasis Type="Italic">Myrmica angulinodis</Emphasis> Ruzs. (Hymenoptera: Formicidae) in the Baikal region |
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Authors: | I A Antonov |
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Institution: | 1.Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia |
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Abstract: | The effect of geographic origin on morphometric characteristics of ants has been studies by means of one-way ANOVA using 120 worker specimens of M. angulinodis from four population groups inhabiting different parts of the Baikal region. Similarity between the population groups has been evaluated using cluster analysis. The results show that worker specimens in populations from areas with lower air temperatures have significantly greater body size and that ants with an elongated head and more strongly curved frontal carinae dominate in the south of Irkutsk oblast, while ants with a wider frons prevail in the south of the Republic of Buryatia. |
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