The influence of two economic host plants country bean (Lablab purpureus L.) and mung bean (Vigna radiata (L. Wilczek)) on the development, reproduction and demographic parameters of the spider mite, Oligonychus biharensis (Acari Tetranychidae) were constructed using two-sex life table program under laboratory condition at 25 °C, 60–80% RH, and a photoperiod of 16 L:8D h. Both male and female of O. biharensis successfully completed their development from egg to adult on two host plants. Immature development of O. biharensis was shorter on L. purpureus than on V. radiata. Oviposition, lifetime fecundity, female adult longevity of the spider mite was higher on L. purpureus than V. radiata. The net reproduction rate (R0), intrinsic rate of natural increase (rm), mean generation time (tG), finite rate of increase (λ) and gross reproduction rate (GRR) of O. biharensis were significantly affected by host plants. The R0-values of O. biharensis were significantly higher on L. purpureus than V. radiata. GRR also showed the similar trend as of the net reproduction rate. The mean generation time of O. biharensis was higher on V. radiata than on L. purpureus. Based on the intrinsic rate of population increase, L. purpureus was more suitable than V. radiata. The results of the study reveal that the host plants greatly influenced the life parameters of the spider mite O. biharensis and it helps to reveal the population dynamics on particular host plant species.

中文翻译：

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两种豆类上的红蜘蛛 Oligonychus biharensis (Hirst) 的寄主相关人口统计参数

两种经济寄主植物乡村豆 (Lablab purpureus L.) 和绿豆 (Vigna radiata (L. Wilczek)) 对叶螨 Oligonychus biharensis (Acari Tetranychidae) 的发育、繁殖和人口学参数的影响使用两种方法构建。 - 在实验室条件下，在 25 °C、60–80% RH 和 16 L:8D h 光周期下的性生命表程序。O. biharensis 的雄性和雌性都成功地在两种寄主植物上完成了从卵到成虫的发育。O. biharensis 在 L. purpureus 上的未成熟发育时间比在 V. radiata 上短。L. purpureus 的叶螨的产卵、终生繁殖力、雌成虫寿命高于 V. radiata。净繁殖率（R0）、内在自然增长率（rm）、平均世代时间（tG）、O. biharensis 的有限增长率（λ）和总繁殖率（GRR）受寄主植物的显着影响。O. biharensis 在 L. purpureus 上的 R0 值显着高于 V. radiata。GRR 也显示出与净繁殖率相似的趋势。O. biharensis 在 V. radiata 上的平均世代时间比在 L. purpureus 上长。从种群增长的内在速率来看，L. purpureus 比 V. radiata 更适合。研究结果表明，寄主植物极大地影响了红蜘蛛 O. biharensis 的生活参数，有助于揭示特定寄主植物物种的种群动态。GRR 也显示出与净繁殖率相似的趋势。O. biharensis 在 V. radiata 上的平均世代时间比在 L. purpureus 上长。从种群增长的内在速率来看，L. purpureus 比 V. radiata 更适合。研究结果表明，寄主植物极大地影响了红蜘蛛 O. biharensis 的生活参数，有助于揭示特定寄主植物物种的种群动态。GRR 也显示出与净繁殖率相似的趋势。O. biharensis 在 V. radiata 上的平均世代时间比在 L. purpureus 上长。从种群增长的内在速率来看，L. purpureus 比 V. radiata 更适合。研究结果表明，寄主植物极大地影响了红蜘蛛 O. biharensis 的生活参数，有助于揭示特定寄主植物物种的种群动态。