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Performances and reproductive isolation of different populations of Oligonychus ununguis(Jacobi) on conifer and broadleaf trees
Author(s): 
Pages: 52-57
Year: Issue:  1
Journal: ACTA ENTOMOLOGICA SINICA

Keyword:  针叶小爪螨种群针叶树阔叶树生殖隔离;
Abstract: 报道了针叶小爪螨Oligonychus ununguis(Jacobi)的4个种群在针叶树和阔叶树上的生长发育和繁殖及其生殖隔离的研究结果.饲养试验证明,针叶树(杉木)种群不能在板栗、麻栎等阔叶树上存活;阔叶树(板栗、麻栎)种群也不能在杉木、黑松、赤松等针叶树上存活.交配试验证明,针叶树种群和阔叶树种群虽有交配行为,但不能正常繁衍后代,两种群间存在着明显的生殖隔离.据此认为针叶树种群和阔叶树种群有可能为两个不同种.
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