الفهرس 
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Abstract
Drosophila species are extensively used in biological research. A related species Zapronius indianus became the most important plague of most of fruit. Phylogenetic relationships between Drosophila genus [D. melanogaster (Oregon-K), D. melanogaster (natural population), D. simulans] and two different populations of Z. indianus [Z. indianus (A) and Z. indianus (B)] were analyzed using morphological, biochemical and molecular data. For morphological analyses, Z. indianus (A) is the largest population in all five populations under study. Although, the two populations of Z. indianus (A and B) belong to the same species, Z. indianus (B) is more close to melanogaster group than Z. indianus (A) as it appears in phylogenetic tree. For biochemical and molecular analyses, a phylogenetic tree clustered D. melanogaster (natural population) with D. melanogaster (Oregon-K), then with D. simulans, but separated and clustered the two different populations of Z. indianus (A and B).