World Journal of Environmental Biosciences
World Journal of Environmental Biosciences
2018 Volume 7 Issue 1

Diversity of Lepidoptera (Rhopalocera) in natural and modified habitats of Bousaâda, Algeria

Saad Ahmed, Bounaceur Farid

The aim of this study was to evaluate the contribution of both natural and human-modified sites to butterfly species richness in Boussaâda region, the study was carried out in the semi-arid conditions, where no data were collected and available on butterflies in this area.

Two locations were selected which were visited every month from Mars 2015 to December 2016, a total of 07 species , belonging to 03 families were collected, the most abundant family was Pieridae 61 (70.9 %). By sites, it was noted that Vanessa cardui (33.96 %), was the most abundant species in the natural sites however, in the agricultural sites Pieris rapae ranked first with 54.55 %.


The abundance in the agricultural site was found to be lower than that in the natural site due to heavy human land modification, use, and disturbance.  The results of Shannon-Weaver index showed that diversity was much greater in the natural site with the value of (H = 1,505) and 6 species were identified in the modified habitat, with the value of (H = 1, 08) having 4 identified species. 

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