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大豆食心虫(Leguminivora glycinivorella mats.)是我国大豆产区的一种重要害虫。在幼虫防治中,当前主要通过成虫发生期性比预测幼虫发生确定田间防治适期,迅速、准确地鉴别大豆食心虫成虫雌雄,在生产上具有重要意义。据资料记载该虫雌雄成虫主要根据体色深浅,翅缓数目、腹部末端形状是否具有产卵管或抱握器和显著的毛束。自1983年以来,作者进一步作了一些观察、研究,发现一些新的特征可供鉴别雌雄。现报道如下。
Leguminivora glycinivorella mats. Is an important pest in soybean producing area in China. In the control of larvae, it is important to identify the male and female adults of soybean borer insects promptly and accurately by predicting the occurrence of mature larvae in the field and determining the appropriate period of control in the field. According to the records of the insect male and female adults mainly based on body color depth, the number of wings slow, the end of the shape of the abdomen ovipositor or hold device and significant hair bundles. Since 1983, the author made some further observations, studies and found some new features to identify male and female. Report as follows now.