Life history of Mayatrichia ponta Ross (Trichoptera: Hydroptilidae) in the Turner Falls Park, Honey Creek, Oklahoma

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题名:	Life history of Mayatrichia ponta Ross (Trichoptera: Hydroptilidae) in the Turner Falls Park, Honey Creek, Oklahoma
作者:	王一匡;Wang, Yi-Kuang;James, H.Kennedy
貢獻者:	旅遊管理學系
关键词:	Mayatrichia ponta;life history;voltinism;fecundity;microhabitat
日期:	2004
上传时间:	2015-09-30 15:26:52 (UTC+8)
摘要:	The life history and ontogenetic microhabitat change of Mayatrichia ponta Ross were investigated in Honey Creek, Turner Falls Park, Murray Co., Oklahoma, U.S.A. from August 1994 to August 1995. The shape of larval cases changed from a small cone to a cylinder. M. ponta had an asynchronous multivoltine life history with considerable cohort and generation overlap; five generations were estimated. The development rate was reduced in winter. The winter generations of M. ponta had wider head capsule widths (136-165 μm) than summer generations (121-145 μm). The sex ratio of adults was 1.43 ♂ : 1 ♀. Fecundity ranged from 46 to 150 eggs/female. Fifth instar larvae and pupae aggregated on the bottom side of substrates. Early instars were distributed evenly on all sides of substrates. General patterns of ontogenetic microhabitat shift in aquatic insects are categorized as flow mediated, flow independent, and population interactions and other resources mediated.
關聯:	Proceedings of the Entomological Society of Washington 106卷3期 pp.523-530
显示于类别:	[旅遊管理學系(旅遊管理碩士班)] 期刊論文

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