中文摘要：

本文根据田间发现的黏虫大发生迁飞种群的多数个体均发生了不同程度黑化的现象,结合近年来迁飞昆虫的密度依赖性防御能力、体液免疫与细胞免疫应答机制、防御的神经内分泌调控机制以及生态免疫等方面的研究进展,提出黏虫防御反应及其与迁飞致灾关系的思考,对于揭示迁飞性黏虫成灾新机制以及指导其生物防治均具有重要意义。

英文摘要：

Based on the field investigation of the larval melanization in the outbreak populations of the oriental armyworm,Mythimna separata,combined with the recent research progresses in the insect density-dependent prophylaxis,humoral and cellular immunity mechanisms,neuroendocrine regulation of the immunity and ecological immunity,we hypothesized a possible novel mechanism of outbreak induced by immunity and proposed the future research tendency in M.separata.This review may contribute to further understanding of the immunity response characteristics and guidance of the biocontrol management in this long-distance migratory insect pest.