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  • 1 Institute of Biology Bucharest, Rumania
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The work presents the role of the abiotic factors in the development of the thrips populations in the mountainous meadows. We have calculated the correlation coefficients between thrips numerical abundance obtained throughout three years, and two main weather factors. 93 correlation coefficients higher than 0.5 were obtained in the case of the correlation between the abundance of 12 Thrips species and air relative humidity; 218 in the case of correlation abundance - air temperature; 411 in the case of multiple correlation coefficients. Taeniothrips picipes, Frankliniella intonsa, Aeolothrips intermedius, Thrips pelikani and Chirothrips manicatus had the highest number of significant values of multiple correlation coefficients.

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