Life History of the Jumping Spider Silerella vittata (Karsch) (Araneae, Salticidae)(Ecology)

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概要

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• Adult females of Silerella vittata (Karsch) collected on 26 June 1988 survived for 119-462 days under semi-outdoor conditions, with a mean±S.D. of 275.2±91.9(9) days. During this survival period over 2 calender years, they oviposited twice or occasionally 3 times. The mean total number of offspring produced per female was 20.0±5.8(9). Nymphs, which had just emerged, were reared on ants only, ants and flies, or flies only; they all developed normally irrespective of the difference in food conditions. The mean developmetal period to adulthood was 329.7± 12.7(6) days when reared on ants only, 323.3 ±9.9(10) days on ants and flies, and 307.6±2.9(5) days on flies only. It was considered that one generation of the spider extends over 2-3 calender years. Generation overlap occurs due to bioviparity in a season and uncertainty of overwintering stage(s). The relationship between the spider and ants was discussed.

• 社団法人日本動物学会の論文
• 1991-08-15

著者

• Miyashita Kazuyoshi

  Department Of Biology Faculty Of Science Tokyo Metropolitan University

関連論文

• Timing of Dropping from the Host Lizard in the Tick : Ixodes asanumai (Acarina : Ixodidae)
• Life History of the Jumping Spider Silerella vittata (Karsch) (Araneae, Salticidae)(Ecology)

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