"How can I keep scorpion's out of my mailbox"

If they are climbing up to it try putting a thick band of sticky stuff across or around whatever they are climbing. You can use something like Tangle-Trap® Insect Trap Coating ( http://www.laddresearch.com/New_Products/Tangle-Trap_Insect_Trap_Coatin/tangle-trap_insect_trap_coatin.html ) or "Olson's Sticky Stuff"

http://www3.telus.net/conrad/docs/crftraps.html.

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You can also put a natural repellant in the area around the mail box, such as Cedarcide ( http://www.cedarcidestore.citymax.com/catalog/item/3580888/5124587.htm )

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One blog claims those plug-in ultrasonic devices work to repel scorpions ( http://www.mrfire.com/archive/jan02.html )

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Some people claim lavender repels scorpions - you could try keeping a bunch of dried lavender or a lavender sachet in your mailbox - infinitely more pleasant than the scorpions (or the bills) that you find in your mailbox. ( http://www.belizeforum.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=26;t=000253;p= )  Of course, some people say it doesn't do anything.

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Extension services say have an exterminator spray with a pesticide that has a long residual (ie. sticks around for a long time). ( http://extension.missouri.edu/xplor/agguides/pests/g07364.htm )

If your mailbox is on a pole, you could try one of the conical collars like those they use for keeping squirrels out of bird feeders. In addition, if you are handy and would liked a water feature, build on the surrounds the base of the pole, one that is wide enough theat scorpions cannot cross it and narrow enough that the mail carrier can still reach the box.

In fact, I am amazed that you are still getting mail. If your carrier decides your mailbox is unsafe they can devalre it so officially and hold your mail until the box is deemed safe. This happened to me in Miami, when a Cuban iguana moved into my mail box. Those little darlings are territorial and they BITE! I didn't get any mail for a week, which is how long it took me to figure out a way to get the lizard out of my mail box without me getting bitten.

Good luck!

What I don't understand is how they can open the box climb in and shut the door, are you sure no one is having fun with you!?!

The scorpion can climb up most material except one, GLASS. As a primary defense find and have a glass company cut four pieces of glass to the with of the post about 6 to 8 inches long. Get some epoxy or silicone, something that will glue the glass to the post. At the bottom end cut some small lattice and but it against the glass for weight support and nail in place!

As a secondary defensive measure there is a chemical that is harmless to Humans and Animals called Deltamethrin Granules. The Scorpion will not nest or crawl across a barrier of these granules, spread out to a five foot radius should prevent them from nearing your mail box!

My wife and I lived in Orlando mid 80's, where we ran into moccasins, black widows, recluse, diamond back and gators never had the pleasure or scare of running into your pets! LOL

Good Luck, I hope this will help you!

http://www.bugspray.com/catalog/products/page1578.html

You can use the the black light to shine into the darkest corner of the mail box, the scorpion reflects light making it visible!

Glue traps with Roach scent their favorite food, crawl in and stay stuck!

Place Granules all around the box, a five foot radius should do!

We live in Arizona and get all manner of uninvited guests in our mail box.  The worst was a black widow spider that had her web across the front of the box and flashed her hour glass belly at us when we tried to get the mail.  She had a nest of babies in the back of the mail box.  I closed the door and called my husband who took care of her in a manly manner.

After finding all kinds of bugs in our mail box we started putting bug poison around the base of the post holding the mail box.  This helped a lot, but needs to be refreshed once in while, especially after a rain.

Another thought, has anyone checked to see if there is scorpion nest near to or under the mail box post?  It seems strange that they continue to return when they've been cleaned out.  I would have that checked out, but I wouldn't do it myself since I'm a chicken when it comes to scorpions.

Good luck with your problem.