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Post  Vlad on Mon Jun 17, 2019 11:29 am

A week ago I noticed some damaged leaves on a little A. ginnala.   My first thought was: where is the bloody caterpillar?  Thorough search. Nothing. OK, we will see. Next day another check. And another few leaves with clean cuts and missing parts.  Another check with the same results.  

Pest or ??? Acer_g10

Well, need to take more scientific approach_list of suspects.   Catepillars and bugs. Which one is the offender?  

Would you guess? Solitary bees
Pest or ??? Solita10

It has taken me half an hour of patient waiting in the full sun this morning to catch it. So enjoy.

I thought that they consume  pollen and some nectars.   But here a lot of green parts of leaves  has disappeared inside the nest.  Building material?  

Anybody to help with this one?
Vlad
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Post  jw68394 on Wed Jun 19, 2019 7:18 am

Some info https://www.bumblebeeconservation.org/making-a-home-for-leaf-cutter-bees/. They chop lumps out of our roses. Look on it as a partial defoliation !

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Post  Vlad on Wed Jun 19, 2019 9:10 am

@jw68394 Thank you for the link.
They seem to be quite picky when it comes to the right type of the leaves. There is at least 150 potted plants around and they love this one. And not even that. They select only leaves of certain age/maturity. Obviously they know what they do.
Vlad
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