Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea.
Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea.
J Econ Entomol. 2021 Dec 6;114(6):2326-2335. doi: 10.1093/jee/toab187.
The bean bug, Riptortus pedestris (Fabricius), is a serious pest of legume crops in East Asia. Here, we report how the consumption of different types of legume seeds affects various aspects of nymphal and adult traits related to fitness in R. pedestris. Two experiments were conducted. In the first experiment, we assessed how R. pedestris nymphs and adults performed on one of 10 different legume seeds: adzuki bean, chickpea, cowpea, two kidney bean varieties (red, white), mung bean, peanut, small black bean, and two soybean varieties (black, yellow). Riptortus pedestris fed on yellow soybean and chickpea performed well in terms of nymphal survivorship and fecundity. However, R. pedestris fed on two kidney bean varieties suffered 100% nymphal mortality and reduced fecundity. Small black bean and black soybean supported high fecundity, but were not suitable for nymphal development. Lipid content was 4- to 11-folds higher in R. pedestris raised on peanuts than those on the others. In the second experiment, we recorded the key parameters of adult performance from R. pedestris assigned to one of nine combinations of three nymphal and three adult diets (yellow soybean, adzuki bean, peanut). Riptortus pedestris raised on yellow soybean during development produced more eggs over their lifetime than those raised on the others. However, this beneficial effect of consuming yellow soybean during development occurred only when yellow soybean was consumed during adulthood. Our data have implications for predicting the occurrence and population dynamics of this pest.
豆芫菁，Riptortus pedestris (Fabricius)，是东亚豆类作物的严重害虫。在这里，我们报告了食用不同类型的豆类种子如何影响与 R. pedestris 适应力相关的若虫和成虫特征的各个方面。进行了两项实验。在第一个实验中，我们评估了 R. pedestris 若虫和成虫在 10 种不同豆类种子中的一种上的表现：红豆、鹰嘴豆、豇豆、两种芸豆品种（红、白）、绿豆、花生、小黑豆和两种大豆品种（黑、黄）。以黄大豆和鹰嘴豆为食的 Riptortus pedestris 在若虫存活率和繁殖力方面表现良好。然而，以两种芸豆品种为食的 R. pedestris 若虫死亡率达到 100%，繁殖力降低。小黑豆和黑豆支持高繁殖力，但不适合若虫发育。以花生为食的 R. pedestris 的脂质含量比其他豆类高出 4-11 倍。在第二个实验中，我们记录了分配给三种若虫和三种成虫饮食（黄大豆、红豆、花生）九种组合之一的成虫性能的关键参数。在发育过程中以黄大豆为食的 R. pedestris 一生中产卵量多于以其他豆类为食的。然而，这种在发育过程中食用黄大豆的有益效果仅在成虫期食用黄大豆时才会发生。我们的数据对预测这种害虫的发生和种群动态具有重要意义。
