It is possible to prevent the minute bee [ challenge ] surely , is to provide the bees SMON structure can be manufactured at low cost structure is simple . Is the structure of the nest Gate bees to enter and exit from the bee hives 12 having a 22 nest chamber that houses the [MEANS FOR SOLVING PROBLEMS ] bees nest , nest box having a first opening 14 of a size queen B1 also worker bees B2 also can pass through freely queens and sized to worker bees B2 can pass through the box and out freely and communicates with the first opening 14 is located a first aperture wall 16 , so as to cover the first opening 14 be in front of the first opening wall 14 composed of bees SMON structure 10, comprising a , a front portion room box 20 having a second opening 18 of a size that can not pass through B1. [ Selection ] Figure Figure 1【課題】確実に分蜂を防止できるとともに、構造が簡単で低コストで製造できる蜜蜂巣門構造を提供する。【解決手段】蜜蜂巣を収容する巣室22を有する蜜蜂巣箱12から蜂が出入りする巣門の構造であり、女王蜂B1も働き蜂B2も自在に通過できる大きさの第1開口14を有する巣箱の第1開口壁16と、第1開口壁14の前部にあって第1開口14を覆うように配置され第1開口14に連通し働き蜂B2が自在に箱内外を通過できる大きさでかつ女王蜂B1が通過できない大きさの第2開口18を有する前部室箱20と、を含むことを特徴とする蜜蜂巣門構造10から構成される。【選択図】図1
