They look like scale insects. They are quite resistant. They suck sap. Start by scraping them off and look up on the Internet what to do next. I'm afraid I haven't found a total cure. Others may advise you better.
Dordogne and Norfolk. Clay in Dordogne, sandy in Norfolk.
These are on my bay laurel. Any idea how to tackle?
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They look like scale insects. They are quite resistant. They suck sap. Start by scraping them off and look up on the Internet what to do next. I'm afraid I haven't found a total cure. Others may advise you better.
Painting methylated spirit on them will kill them.