Yeah, my cacti have had that too. Check for tiny orange mites. They will be a similar colour but very tiny and moving around. Misting regularly with water helps to keep them in check and a quick soaking with 91% IPA is said to kill off most unwanted arthropods.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.