Facilitating Effects of Helpers on Oviposition and Colony Development of Bumblebee Queen, Bombus ignitus

산란촉진자를 이용한 호박벌(Bombus ignitus)의 산란성 및 봉세발달 개선효과

  • 윤형주 ;
  • 김삼은
  • Published : 2002.12.01

Abstract

It was investigated whether or not such helpers as worker bee, bee-cocoon and egg-cup etc, have any effects on oviposition and colony foundation of the bumblebee queen, Bombus ignitus. Among the helpers tested, the callow workers of B. ignitus and B. terrestris showed the most remarkable effects on the oviposition rates to 92% and 88%, respectively. The live cocoon as a helper improved oviposition rate over 60%. A narcotized old worker 10-20 days-aged after emergence, showed similar effects to a callow worker on the colony development such as oviposition rate, colony foundation and progeny-queen production. On the other hand, dried cocoon, callow honeybee worker or egg-cup did not show a positive effect as a helper. In the number of workers recruited to a foundation queen, two workers showed better effect than one worker on the colony development, with no difference between two and more.

Keywords

Bumblebee;Bombus ignitus;Helper;Oviposition rate;Colony development

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