Natural Hybridization between a Sympatric Pair of Hawaiian Drosophila
Natural Hybridization between a Sympatric Pair of Hawaiian Drosophila
复制标题
一对同域夏威夷果蝇之间的自然杂交
作者：
K. Kaneshiro;F. C. Val
从夏威夷大岛的卡胡库牧场地区采集到两个密切相关的夏威夷果蝇物种异脉果蝇和 silvestris 之间的自然种间杂交。尽管这些杂交标本的两性均具有完全的生育能力，但杂交显然并不广泛。对这两个物种之间的渗入程度以及可能导致隔离机制崩溃的环境因素的调查仍在继续。
Natural interspecific hybrids between two closely related species of Hawaiian Drosophila, heteroneura and silvestris, have been collected from the Kahuku Ranch area on the Island of Hawaii. Despite full fertility of both sexes of these hybrid specimens, hybridization is apparently not extensive. Investigations of the degree of introgression between these two species and of environmental factors which might contribute to the breakdown of isolating mechanisms are continuing.