Afraid my catalpa trees are diseased. - Knowledgebase Question

Memphis tn
Question by Lblair
September 8, 2017
Sent in this question previously. Now have attached a picture. Hard to see , but the leaves on the trees appear holey and sick. Have had property 3 years-have about 6 catalpa trees- none have ever produced fruit. They are 15 -30 feet tall. Are the trees dying ? Thanks
Thumb of 2017-09-08/Lblair/b8d682

Name: Tiffany purpleinopp
Opp, AL 🌵🌷⚘🌹🌻 (Zone 8b)
Image
Answer from purpleinopp
September 8, 2017

0

From this distance, it's impossible to say, but it's likely the holes are caused by "catawba worms".
http://www.catawbaworms.com/

Whenever you see pollarded Catalpa trees, they are harvesting the worms for fishing bait.

They are the larval stage of this kind of sphinx moth, and only eat Catalpa leaves:
https://en.wikipedia.org/wiki/...

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