ADULT TRANSPORT IN A SUPERCOLONY OF FORMICA (FORMICA) YESSENSIS FOREL, WITH SPECIAL REFERENCE TO ITS RELATION WITH DIGGING

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  • エゾアカヤマアリのスーパーコロニー内における成体運搬行動特に穴掘り行動との関連について
  • エゾアカヤマアリのスーパーコロニー内における成体運搬行動特に穴掘り行動との関連について〔英文〕
  • エゾアカヤマアリ ノ スーパー コロニーウチ ニ オケル セイタイ ウンパン

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IMAMURA, Shinji (Zoological Institute, Faculty of Science, Hokkaido University). 1978. Adult transport in a supercolony of Formica (Formica) yessensis Forel, with special reference to its relation with digging. Jap.J.Ecol., 28 : 73-84. Adult transport between nests was studied in a supercolony of Formica (Formica) yessensis Forel at Ishikari Shore, Hokkaido, Japan, throughout the ant active seasons in 1973-'75. Although transport occurs in all seasons, its intensity fluctuates scasonally with one conspicuous peak in spring. Nests receiving transports (target nests) usually possess some, or many digging workers, while nests emitting transports (original nests) are often without diggers. On the basis of observations under natural conditions and in the laboratory, it is suggested that the trnsportees strart digging in the target nests. Transport thus seems useful in the expansion of target nests.

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