Elm casebearer? - Ask Extension
I have what I think is an elm tree and it's dropping it's leaves now (late April/early May) and the leaves have brown spots that look like cigarette b...
Knowledgebase
Elm casebearer? #866629
Asked May 01, 2024, 2:08 PM EDT
I have what I think is an elm tree and it's dropping it's leaves now (late April/early May) and the leaves have brown spots that look like cigarette burns on them. I think it might be Elm Casebearer and want to know if there is anything I can do about it. I attached a picture.
Fairfax County Virginia
Expert Response
Jocelyn, Can we recommend you contact the Fairfax MG Help Desk that serves Vienna, VA at: <personal data hidden>
They will be in the best position to help you with a diagnosis and any control recommendations, particularly if the Fairfax Help Desk is interested in seeing a physical sample from your elm tree.
Some initial insect candidates for further help desk review by Fairfax might include :
Elm Case Bearers: https://ag.umass.edu/landscape/publications-resources/insect-mite-guide/coleophora-ulmifoliella
Elm Flea Weevil: https://www.canr.msu.edu/news/elm_flea_weevils_busy_devouring_new_leaves
Elm Leafminer Sawfly: https://bygl.osu.edu/node/1287;
Thank you!
- Becky
Loudoun County MG Help Desk
<personal data hidden>
They will be in the best position to help you with a diagnosis and any control recommendations, particularly if the Fairfax Help Desk is interested in seeing a physical sample from your elm tree.
Some initial insect candidates for further help desk review by Fairfax might include :
Elm Case Bearers: https://ag.umass.edu/landscape/publications-resources/insect-mite-guide/coleophora-ulmifoliella
Elm Flea Weevil: https://www.canr.msu.edu/news/elm_flea_weevils_busy_devouring_new_leaves
Elm Leafminer Sawfly: https://bygl.osu.edu/node/1287;
Thank you!
- Becky
Loudoun County MG Help Desk
<personal data hidden>
