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Tomato leaf bug bites

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Tomato leaf bug bites

Post  bigdogrock on 6/27/2016, 6:50 pm

I have been under the weather in a big way, just got back out to the garden. Everything looks really good to me. I did notice one tomato plant had a very few and very minor bug bites. Never seen this before, maybe because it is so minor and it grows into something worse. But, maybe some experienced eyes might see something I don't.

I don't understand the brown edge of this.

Just holes, no bugs, eggs, dots, etc, I even used a magnifying glass.  

Thanks for any feedback, Rock

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Re: Tomato leaf bug bites

Post  Ginger Blue on 6/28/2016, 3:22 pm

Ginger Blue

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Re: Tomato leaf bug bites

Post  CapeCoddess on 6/28/2016, 3:37 pm

I was thinking flea beetle for the tiny holes, too.  Altho the 1st photo made me think slugs. But now that I've enlarged it it looks more like leaf miners...or both.


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Re: Tomato leaf bug bites

Post  bigdogrock on 6/28/2016, 6:14 pm

Thank you GB and CC. I looked again today and there was no change. If it was some kind of beetle, then I must have taken it out with the DE (food grade ) a few weeks ago. That stuff works so well for me. I have had only two new sprouts getting molested since I started using it, and both have made it.

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Re: Tomato leaf bug bites

Post  BeetlesPerSqFt on 6/30/2016, 12:19 pm

@bigdogrock wrote:I don't understand the brown edge of this.

I agree with CC's first guess of slug (or snail) damage as being the first one. Instead of biting with mandibles or teeth, slugs and snails lick their food with a very rough tongue and scrape leaf bits off. If they sit on the leaf and scrape against the flat of it (rather than perpendicular to the edge) and don't eat all the way through, there can be scraped-up/only-partially-eaten leaf bits at the edges of the feeding holes. The damaged parts die and turn brown. Guess some slugs don't like to eat the leaf "crusts"... they just want the tasty green parts inside. Leafminers do the same thing - but live between the crusts. Old leafminer damage can look similar if the crusts dry out enough that they fall away, but I'd expect more interconnection between the damaged parts for leafminers.

(And I agree with both GB and CC as to the second photo likely showing flea-beetle damage.)

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Re: Tomato leaf bug bites

Post  camprn on 6/30/2016, 9:19 pm

That looks like slug damage. Put out a few board traps and that should help take care of the problem.


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