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Quantitative studies von workers of the Old World army ant genusAenictus (Hymenoptera: Formicidae)

Etude quantitatives sur des ouvrières des fourmis voyageuses de l'ancie monde du genreAenictus (Hymenoptera: Formicidae)

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Summary

Multivariate analyses of workers of the Old World army ant genusAenictus were used to investigte taxonomic structure inherent in the morphological data gathered. Results were compared to subgenric and species groupings suggested in earlier taxonomic studies and to the known geographic ranges of the included species. AfricanAenictus form a distinct phenetic subgroup as do Asian species previously assigned to the subgenusTyphlatta. Other Asian species show an affinit for either the African species or theTyphlatta group. Of the five species groupings identified in an earlier taxonomic work, the“currax”, “laeviceps”, and “wroughtoni” groups are clearly revealed to be phenetically distinctive. How these results will affect the classification of the genus, especially at the subgeneric level, depends on further character analysis.

Resume

Des analyses multivaritées sur des ouvrières de la fourmi voyageuse de l'ancien monde du genreAenictus, ont permis d'étudier la structure taxonomique ressortant des données morphologiques accumulées. Les résultats ont été comparés aux regroupements subgénériques et spécifiques suggérés par des études taxonomiques antérieures ainsi qu'aux appartenances géogrpahiques connues des espéces étudiées. LesAenictus d'Afrique forment un sous-groupe phénétique distinct comme le font des espèces asiatiques précédemment rangées dans le sous-genreTyphlatta. d'autres expéces espèces asiatiques montrent une affiité soit pour les espèces africaines, soit pour le groupeTyphlatta. Parmi les cinq groupements d'espèces identifiés par une étude taxonomique antérieure, les groupements«currax», «laeviceps» et «wroughtoni» apparaissent clairement comme distincts. L'effet de ces résultats sur la classification sous-générique du genre dépendra d'autres analyses de caractères.

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Gotwald, W.H., Barr, D. Quantitative studies von workers of the Old World army ant genusAenictus (Hymenoptera: Formicidae). Ins. Soc 34, 261–273 (1987). https://doi.org/10.1007/BF02224358

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  • DOI: https://doi.org/10.1007/BF02224358

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