Author(s):

Ritu Ranjan Taye, Dr. Ataur Rahman and Dr. Shimantini Borkataki

Abstract: Exploration and molecular characterization of dwarf honey bees from five physiographic zones of north east Himalaya has been carried out in the Department of Entomology, Assam Agricultural University during the period 2014-2018. Two species of dwarf honey bees viz., Apis florea F. and A. andreniformis Smith have been identified during the investigation. The cluster analysis for genetic diversity of dwarf honey bees revealed that the lowest similarity value was found between Apis anderniformis from Nagaon and A. florea from Pasighat (5.4%) and the highest similarity value was found between A. florea from Basar and Pasighat (82.0%). The dendrogram constructed for dwarf honey bees based on data obtained from the DNA fragment amplified by cluster analysis separated the Apis florea and A. anderniformis into two main clusters (A and B). Based on molecular characterization it had been found that there are two distinct morphoclusters within the physiographic zones forming hill races and plains races which could be concluded with maximum genetic similarity.

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