Japanese Maple Insects - Knowledgebase Question

Salt Lake City, Ut
Avatar for Clovard_dml
Question by Clovard_dml
April 11, 2009
what is the insect that looks like scale, is grey or brown, attaches in a chevron pattern of about 10 each, I found them on my rose leaves and this spring on my Japanese maple branches.What do I use to prevent this. When I pick them off it leaves a scraped off section of branch.

Answer from NGA
April 11, 2009
Sounds more like insect eggs than an adult insect. Eggs are laid in patterns but insects rarely stand in formation such as you describe. I don't know which insect might lay eggs in that pattern and glue them down, but it could be beneficial. Or, it might be destructive. You can suffocate the eggs with a spray of horticultural oil or you can just wait and see what they hatch into.

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