Can I spray lumber with worms and still work it?

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Forum topic by toddbeaulieu posted 10-11-2015 05:26 PM 972 views 1 time favorited 9 replies Add to Favorites Watch
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814 posts in 2999 days

10-11-2015 05:26 PM

I treated my post and beam barn structure for wood eating insects a few years ago and haven’t had a problem since. I’ve also been struggling with carpenter bees on the house and barn. Same spray kills them, but I feel like I’m under constant attack!

I have a lot of lumber in the cellar and a couple of years ago added a freshly cut birch that I had band saw milled for me. The other day I heard what I thought was water dripping, but turned out to be nasty white worms under the bark, hanging out of holes. NASTY! I think they are roundheaded borer larvae. I suspect they’re making their way OUT of the wood right now.

So … Can I spray this lumber down and still safely mill it at a future time? Ain’t bringing that wood back inside any time soon!

Interestingly, they only seem to be in the birch, and not in the cedar or maple that was under and above the birch in the stickered pile. Now I love wormy wood for projects, but not LIVE wormy wood!

9 replies so far

View WDHLT15's profile


1741 posts in 2471 days

#1 posted 10-12-2015 01:23 AM

Best bet is to heat the wood to 150 degrees for 24 hours. That will kill them all.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln.

View groyuti's profile


45 posts in 952 days

#2 posted 10-12-2015 02:51 PM

-- Spammer in the process of being removed.

View LiveEdge's profile


582 posts in 1615 days

#3 posted 10-13-2015 04:06 PM

My initial thought after reading your title was to ask how your were getting the worms in the sprayer… :)

View Daruc's profile


460 posts in 1127 days

#4 posted 10-13-2015 04:22 PM

My initial thought after reading your title was to ask how your were getting the worms in the sprayer… :)

- LiveEdge

I was wondering what kind of worms. Mill worms work easier than earthworms….:)
(You need a real big tip for earth worms)

-- -

View ChuckV's profile


3118 posts in 3522 days

#5 posted 10-13-2015 04:36 PM

My initial thought after reading your title was to ask how your were getting the worms in the sprayer… :)

- LiveEdge

Me too! I was going to suggest that you should try spraying slugs instead of worms. In my experience, there is less chance of clogging the sprayer.

-- “Big man, pig man, ha ha, charade you are.” ― R. Waters

View mahdee's profile


3883 posts in 1762 days

#6 posted 10-13-2015 04:58 PM

Birch sap like maple, hickory, etc is sweet/full of sugar which the buggers love.


View toddbeaulieu's profile


814 posts in 2999 days

#7 posted 10-13-2015 05:00 PM

I pulled off all the bark and have them leaning against the barn. There were A LOT of worms right under the bark and some hanging out of the lumber. I guess I’ll just spray them and let them sit. I’ll have to remember to wear extra respiration when I finally use that wood. Oh, I can write a reminder on the boards I guess.

I have no way of heating the boards w/o tracking down a local kiln and even then I wonder if they’d even let me bring wormy wood in, risking their inventory?

View Woodknack's profile


11608 posts in 2375 days

#8 posted 10-13-2015 06:05 PM

Call the spray manufacturer and ask them. I’ve called about various poisons to find out how long they remain active, some are long term and some are short term. In the future I would remove the bark, it’s a sure fire way to attract insects.

-- Rick M,

View dbray45's profile


3320 posts in 2771 days

#9 posted 10-13-2015 07:18 PM

I got some cherry that had bark – and worms. Lost the wood quickly!

-- David in Damascus, MD

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