On the cover: Annual bluegrass weevil larvae can cause severe damage to annual bluegrass turf. Weevil host preference can offer a natural alternative to herbicides for selective annual bluegrass control if larvae are allowed to feed in mixed stands. Read more in Diehl et al. (https://doi.org/10.1002/csc2.20430). Photo: Katherine Diehl.

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封面图片，第61卷，第2期

封面：一年生禾本科象鼻虫幼虫会严重损害一年生禾本科草皮。如果允许幼虫在混交林中觅食，象鼻虫寄主的偏爱可以为除草剂提供天然替代品，以有选择地每年控制蓝草。在Diehl等人中阅读更多内容。（https://doi.org/10.1002/csc2.20430）。照片：凯瑟琳·代尔（Katherine Diehl）。