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Old 10-03-2023, 03:36 PM   #1
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Spiders onboard

What are people using to help get rid of spiders on the boat? I donít want to use something that may damage the Strataglass or the vinyl seats.
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Old 10-03-2023, 04:02 PM   #2
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I just squish them as I see them.


I hate them. Not because I have any sort of fear of them, but because they make a mess of the boat and their poop can be hard to get off of gel coat.



I have had pretty good luck keeping them off by spraying the dock edges, gunnels, dock lines etc. with an ortho perimeter guard type bug spray that I get from Home Depot. I do it about once a month or as I remember to do it. It doesn't keep them all off, but it helps. Learned this trick on the TF.


I sure wouldn't spray it on my enclosure though.
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Old 10-03-2023, 04:03 PM   #3
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Raw Chestnuts without the pulpy outer husk. So it is the pretty, and shiny, dark brown wood grain.

Yup, seems to work.
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Old 10-03-2023, 04:06 PM   #4
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I've been using the Miss Muffet spider spray. I tend to spray dock lines, stanchion holes, window tracks and anywhere else I see them regularly hiding. It doesn't get rid of them entirely, but that and killing them when possible at least keeps the population down to a fraction of what it would otherwise be.
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Old 10-03-2023, 04:26 PM   #5
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I prefer spiders to all the flying insects of the Great Lakes. We have a simple understanding, stay out of the galley and the master stateroom, or die.

Shop vac works wonders with no residue.

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Old 10-04-2023, 12:54 AM   #6
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Consider putting peppermint oil (it's an extract found in the grocery store just above the spices like salt and pepper) -- look near where the vanilla extract is. All spices and extracts are usually shelved in alphabetical order incidentally.

Put peppermint oil (a drop or three) on cotton balls. Spread the cotton balls around. This won't get rid of a major infestation however for just a few spiders it does well. I did try peppermint oil under a dock that was a labyrinth of spider webs. The only thing that happened was I wasted my peppermint oil...
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Old 10-04-2023, 01:24 AM   #7
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Spiders Aboard! Good title for a horror movie.
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Old 10-04-2023, 07:58 AM   #8
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This stuff works:

https://tinyurl.com/ywfurdm6

Once dry, it kills anything with an exoskeleton - and is harmless to anything else.

You don't have to spray it everywhere either - just places where you know they will likely crawl through it. And if they contact it, they will die.

I've used it in every house I've lived in for the past 20+ years and used it on our sailboat which was infested with spiders and many other insects when we first bought her.

For houses, the first application included all the baseboards I could reach and around windows and doors on the inside, then around windows and doors on the outside. After that, I would treat the outside again about every four months, but the inside was maybe once a year. On the boat, I reapplied inside every six months.

Within two days of the first application, you'll need a shop vac to clean up all the dead bugs.
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Old 10-04-2023, 09:00 AM   #9
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Its been a bumper year for spiders on the Great lakes is all I know.

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Old 10-04-2023, 09:07 AM   #10
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Quote:
Originally Posted by Pete Meisinger View Post
Its been a bumper year for spiders on the Great lakes is all I know.

pete

In our area it's been a good year for everything that grows. Spiders, bugs of all kinds, slime on boat hulls, etc.
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Old 10-04-2023, 09:50 AM   #11
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DBG8492.....wrong link or its SPAM/SCAM of some sort.....
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Old 10-04-2023, 11:54 AM   #12
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A tiny spritz of Ortho Home Defense puts them in convulsions and usually die within inches of being sprayed.

The big threat are docklines and powercords unless in a covered slip. So if treated, it stops most from coming aboard.

After a year of non-stop spiders....and treatments of Home Defense I was at a loss where they were coming from.

A year later while in the yards, and walking around the boat, I noticed in the drip cut on the underside of the rubrails there were hundreds of webs not visible from above.

One treatment of those and my boat with very infrequent treatments remained spider free/or at least a minimum for years. So look for any hotspots of tiny balls of web where spider birthing takes place.
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Old 10-04-2023, 01:03 PM   #13
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Quote:
Originally Posted by harleydude777 View Post
DBG8492.....wrong link or its SPAM/SCAM of some sort.....
I tried the link and it went to Amazon. I ordered some of the product.
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Old 10-04-2023, 01:42 PM   #14
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I just finger flick them into the water as fish food. Figure that at least gives them a fighting chance, as opposed to indiscriminately squishing them...
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Old 10-04-2023, 02:00 PM   #15
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just did the same and it worked now.......Thanks
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Old 10-04-2023, 02:26 PM   #16
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From various internet sources....

Deltamethrin - Bayer polyzone
Bifenthrim - Home Defense

"The main difference between Deltamethrin and Bifenthrin is that deltamethrin is more effective against flying insects. At the same time, bifenthrin is more effective against crawling insects. Deltamethrin is a neurotoxin, while bifenthrin is not."
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Old 10-04-2023, 03:21 PM   #17
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My wife will not be flicking any spiders overboardÖ. That is why I am looking for a good solution.
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Old 10-04-2023, 03:40 PM   #18
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Quote:
Originally Posted by Pete Meisinger View Post
Its been a bumper year for spiders on the Great lakes is all I know.

pete
Worst I've seen on Superior ever. Especially the last 8 weeks or so.

BD
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Old 10-04-2023, 05:06 PM   #19
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Quote:
Originally Posted by harleydude777 View Post
DBG8492.....wrong link or its SPAM/SCAM of some sort.....
I tested it - it goes to Amazon for a product called "Suspend Polyzone"

Just have to let the redirect load.

Here's a better link:

https://www.amazon.com/Bayer-8003522.../dp/B07RLS91C9
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Old 10-04-2023, 08:02 PM   #20
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Portable hand vacuum. After sundown when they come out just suck them up. Next night there might be 10%,that you missed. Third night you might find one or two. No chemicals.
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