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华栗绛蚧 Kermes Castaneae sni et Liu是板栗上的一种主要害虫。以二龄若虫在树皮裂缝、伤疤、芽基等处越夏越冬。常见天敌有黑缘红瓢虫 Chilocorus rubidus Hope,隐尾跳小蜂 H omalotylussp.;芽枝状芽孢霉菌 Claolosporium cladosporioides等。 5月上旬于若虫盛孵高峰期喷施多灭灵、氧化乐果等农药可获良好效果。
Kermes Castaneae sni et Liu is a major insect on chestnut. To second instar nymphs in the bark cracks, scars, buds and other summer overwintering. Common natural enemies are black-rimmed red ladybug Chilocorus rubidus Hope, Crypto-hoppers H omalotylussp .; budding spore mold Claolosporium cladosporioides and so on. In early May, nymphs were sprayed with exterminators and pesticides such as omethoate at the peak of nymphs’ incubation.