I'm not sure if your kind of bamboo works well but you might think about leaving stems for bees that nest in tubes. https://www.honeybeesuite.com/upright-hollo

I'm not sure if your kind of bamboo works well but you might think about leaving stems for bees that nest in tubes. https://www.honeybeesuite.com/upright-hollow-stems-are-better-than-toxic-mason-bee-houses/ https://www.honeybeesuite.com/upright-hollow-stems-are-bette... https://sites.tufts.edu/pollinators/2021/04/the-right-way-to-leave-stems-for-native-bees/ https://sites.tufts.edu/pollinators/2021/04/the-right-way-to...