The directed movement of nuclei within the syncytial embryo of insects. These precise temporal and spatial patterns of nuclear movement are coordinated with mitotic divisons and are required during blastoderm formation to reposition dividing nuclei from the interior of the syncytial embryo to the cortex. [ GOC:bf http://openisbn.com/search.php?q=0879694238&isbn=1/ http://www.ncbi.nlm.nih.gov/pubmed/8314839 ]