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Journal of Entomology
  Year: 2017 | Volume: 14 | Issue: 1 | Page No.: 24-32
DOI: 10.3923/je.2017.24.32
Compliance of the Morphometric Characteristics of Bees in Benin with Those of Apis mellifera Adansonii
Armand Paraiso, Gregoire Paraiso, Valere K. Salako, Waliou Abiola, Aude Kelomey, Romain Glele Kakai, Patrick A. Edorh, Lamine Baba-Moussa, Ambaliou Sanni and Adole Isabelle Glitho

Abstract:
Background: Only one subspecies of bee, Apis mellifera adansonii was described for all West and Central Africa. Preliminary studies carried out in Benin suggested the presence of other subspecies. Objective: The objective of this study was to evaluate the conformity of the morphometric characteristics of bees in Benin with those of A. m adansonii described before. Materials and Methods: To this end, 100-300 bees were collected by locality and by hive. The samples were collected from 30 localities (colonies) belonging to 8 phytodistricts and to the three climate zones of Benin. In each locality, 100 bees were measured (except the site of Yarakeou where 60 bees were measured). Thus, 14 morphometric characteristics were measured per bee with a microscope equipped with graduated eyepieces. But three characteristics including the length of the proboscis, the width of the tomentum and the cubital index were used for the tests. Results: The ascending hierarchical classification and the t-tests of student to a sample at 5% threshold were done. The condition of application of the test, that is the normality of the data was previously verified. These analyses were done using the software SAA v.9.2. The ascending hierarchical classification of 2960 bees measured on the basis of the 14 morphometric characteristics allowed us to identify 10 statistically different morphotypes. The t-tests of student showed that in general, bees in Benin had the cubital index, the length of the proboscis and the width of the tomentum significantly different (p<0.001) from those of A. mellifera adansonii. Conclusion: Bees in Benin are characterized by a cubital index, a length of the proboscis and a width of the tomentum that are statistically different from those of the subspecies Apis mellifera adansonii. However, these three characteristics may not be sufficient alone to deduct that bees in Benin are systematically different from Apis mellifera adansonii. Some of the studied morphometric characteristics of bees in Benin are statistically different from those of the subspecies Apis mellifera adansonii. We suggest that molecular studies be carried out in order to determine the genotype of the different morphotypes listed.
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How to cite this article:

Armand Paraiso, Gregoire Paraiso, Valere K. Salako, Waliou Abiola, Aude Kelomey, Romain Glele Kakai, Patrick A. Edorh, Lamine Baba-Moussa, Ambaliou Sanni and Adole Isabelle Glitho, 2017. Compliance of the Morphometric Characteristics of Bees in Benin with Those of Apis mellifera Adansonii. Journal of Entomology, 14: 24-32.

DOI: 10.3923/je.2017.24.32

URL: http://scialert.net/abstract/?doi=je.2017.24.32

 
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