树倒猢狲散

shù dǎo húsūn sàn

[when an influential person falls from power, his hangers-on disperse; monkeys disperse when the tree falls--members run away when family or institution falls] 以势利相结合的人, 一旦为首的失势败亡, 依附的众徒便随之四散

花开蝶满枝, 树倒猢狲散。 --明·徐渭《雌木兰》