ホソアシナガバチのコロニ-内の分業-1-創設女王及び働き蜂の行動とその変化,とくにコロニ-発達に関連して〔日本産アシナガバチ亜科ハチ類の生態学的研究-3-〕

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Biosociological studies on Parapolybia indica SAUSSURE have been carried out by the authors in Kawakita,Tsu, Mie Pref., southern Japan since 1976. Based upon the continuous observation with 11 nests, accounts are given on the behaviour and its change in the foundress and worker wasps with special reference to the appearance of poly-ethism between foundress and workers after the appearance of the latter. 1) Various activities in foundresses and workers are conveniently classified from the functional point of view as shown in Table 1. 2)The foundress was always the sole egg‐laying by workers was observed only under the condition of disappearance of the foundress. 3)The number of foraging trips by foundresses increased from 1.26 trips/hour to 2.67 trips/hour before and after hatching of the larvae. Then trips extremely decreased to O.36 trips/hour after the emergence of workers. 4) After the emergence of workers the foundresses continued to intiate cells, forage for nest materials and feed larvae, though they stopped almost entirely to forage for food and spent more time on the nest. 5) Worders foraged for food and nest materials, distributed food to larvae and nest mates. 6) With the attainment of the division of labour between foundress and workers, the colony underwent a rapid increase in population size. This expansive stage lasted until the time when sexuals emerged. 7) In later stage of nesting, foraging activity of workers changed principally from seeking protein food to carbohydrates such as tree sap to feed the adults of sexuals.
三重大学農学部の論文

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松浦誠
三重大学大学院生物資源学研究科

ホソアシナガバチのコロニ-内の分業-1-創設女王及び働き蜂の行動とその変化,とくにコロニ-発達に関連して〔日本産アシナガバチ亜科ハチ類の生態学的研究-3-〕

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