n.落叶剂，除叶剂，食叶的昆虫

The caterpillars of some butterflies act as defoliators, stripping leaves from plants.
一些蝴蝶的幼虫充当叶子脱除者，将植物的叶子啃光。
Aphids can be significant defoliators of deciduous trees in urban landscapes.
蚜虫可以成为城市景观中落叶树的重要叶片脱除者。
The gypsy moth is an invasive species known for its destructive behavior as a defoliator of hardwood trees.
松毛虫是一种入侵物种，因其破坏性行为而闻名，能脱去硬木树的叶子。
In forestry, management strategies often include monitoring for and controlling defoliator populations to prevent widespread tree damage.
在林业管理中，策略通常包括监测和控制叶片脱除者的种群，以防止树木的大面积损害。
The pine sawfly larvae are voracious defoliators that can quickly denude coniferous trees if left unchecked.
松锯蝇的幼虫是贪婪的叶子脱除者，如果不加以控制，它们能迅速使针叶树变得光秃秃。
Late-season freezes can exacerbate the damage caused by defoliators, as trees have less time to recover before winter sets in.
季末的霜冻会加剧叶片脱除者造成的损害，因为在冬季来临之前，树木恢复的时间更少了。
The use of natural predators like ladybugs can help control defoliator populations without resorting to harmful pesticides.
使用像瓢虫这样的天敌可以帮助控制叶片脱除者的种群，而不必使用有害的杀虫剂。
Defoliator insects, such as certain beetles, can cause devastating effects on crops, leading to significant economic losses.
某些甲虫等叶片脱除昆虫会对农作物造成毁灭性影响，导致重大的经济损失。
Integrated pest management strategies aim to balance the ecosystem, preventing defoliators from reaching outbreak levels.
病虫害综合管理策略旨在平衡生态系统，防止叶片脱除者达到爆发水平。
Early detection of defoliator activity is crucial for implementing effective control measures and preserving the health of forests and crops.
早期发现叶片脱除活动对于实施有效的控制措施和保护森林及作物的健康至关重要。