島根大学農学部
ISSN:0370-940X
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島根大学農学部研究報告 23
1989-12-21 発行
温室で飼養したブラジル産ハリナシバチの1種,Nannotrigona testaceicornisにおける花選択性と恒久訪花性
Floral Preference and Flower Constancy of a Brazilian Stingless Bee, Nannotrigona testaceicornis Kept in a Greenhouse (Hymenoptera, Apidae)
ベーゴ L.R.
前田 泰生
手塚 俊行
石田 一博
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内容記述（抄録等）
Flower-visiting behavior of a Brazilian stingless bee, Nannotrigona testaceicornis studied experimentally in a greenhouse showed its typical generalist tendency at the colony level, visiting 15 out of 25 species of offered flowers. At the individual level, however, most foragers tended to visit a limited number of flower species continuously, even though other flowering plants were available. Such constancy was maintained for successive trips within a day (almost 80% in all marked bees), but was less among days. Switching was induced by the flower dearth of the so far utilized plants and casual exploitation of new plants by foragers.
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