The Guangxi population have a high brachypterous ratio, being similar to the tropical type.
广西种群接近热带型，其雌虫短翅率高但不随密度而变化。
The Zhejiang populations show low brachypterous ratios and have a negative correlation with nymphal density, belonging to the temperate type.
迁入地的浙江各种群属温带型，其雌虫短翅率低且与密度呈显著负相关；
BPH feeding on rice plants at various stages have dfferent brachypterous ratios, tillering plants cause more brachypterous females than booting rice plants.
分蘖期水稻饲养的褐飞虱短翅型比例明显高于孕穗期水稻饲养的褐飞虱。
BPH feeding on rice plants at various stages have dfferent brachypterous ratios, tillering plants cause more brachypterous females than booting rice plants.
分蘖期水稻饲养的褐飞虱短翅型比例明显高于孕穗期水稻饲养的褐飞虱。
应用推荐