As expected, there were faint black lines running across the back of the leaf. If it weren't for Lu Xuan's careful attention, these hair-thin black lines would be extremely difficult to spot.,It took a great deal of energy and focus to finally clean it up, but the next day when I went back to check, the black threads appeared again, and there were even more of them than before.,However, the one in the yard might be secondhand, so its warning function is sometimes there and sometimes not. As for actively attacking, don't even think about it.。