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Title: Social Structure and Reproductive Systems of Tramp Versus Endemic Ants (Hymenoptera: Formicidae) of the Ryukyu Islands 
Author: Yamauchi, Katsusuke; Ogata, Kazuo
Date: 1995-01
Publisher: University of Hawaii Press
Citation: Yamauchi K, Ogata K. 1995. Social structure and reproductive systems of tramp versus endemic ants (Hymenoptera: Formicidae) of the Ryukyu Islands. Pac Sci 49(1): 55-68.
Abstract: Currently, 126 ant species have been recorded from the Ryukyu
Islands, Japan. Of these, 54 species, many of which are probably new to science,
have not yet been identified. A survey on species-habitat relationships
made on the island of Okinawa indicated that open lands were occupied predominantly
by tramp species, but primary forests contained many endemic
species. Colony structure and the reproductive system of the eurychoric species
are briefly reviewed and discussed. A secondary polygynous and polydomous
system is predominant in these species. This system is characterized by intranidal
mating, which may reduce the risk in nuptial flights and ensure the
adoption of new queens. A diversity in morphology and behavior, especially in
males, seems to develop, provided the workers care for them. Stenochoric forest
species are mostly monogynous.
ISSN: 0030-8870

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