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要旨:
GTG-banded karyotypes are presented for Scotoecus hirundo (2n=30; FN=50), Rhogeessa alleni (2n=30; FN=50), Scotophilus kuhlii (2n=36; FN=48) and Scotophilus leucogaster (2n=36; FN=50). These three genera belong to the family Vespertilionidae and have previously been placed into the tribe "Nycticeiini" (Tate 1942). Karyological analysis, however, points to a close relationship of Scotoecus hirundo to the tribes Pipistrellini and Vespertilionini (sensu Volleth and Heller 1994). Rhogeessa (Baeodon) alleni, a member of the karyologically diverse genus Rhogeessa, has two fusion chromosomes in common with the genus Plecotus. Together with morphological (Hill and Harrison 1987) and molecular-genetic results (Hoofer and Van Den Bussche 2003), chromosome analysis suggests a closer relationship of Plecotini and Rhogeessa. The two species examined of the genus Scotophilus show differences only in two small autosomal pairs and the Y chromosome. Chromosomal data did not reveal closer relationships of this genus to any other vespertilionid tribe.
