This paper deals with the growth,survival,fecundity and reproductive isolation of four Oligonychus ununguis (Jacobi)populations from different forest regions on conifer and broadleaf trees.

• 报道了针叶小爪螨Oligonychusununguis(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。