So my 8yr old daughter says "Dad..is that a basketball stuck up in the tree?"..sure enough it's a Hornets nest nestled in the tree overhanging my driveway where the kids sometimes play..low enough to be a problem..hit it with 2 cans of Wasp/Hornet spray last night..a bunch fell dead but an alarming number attacked my car's headlights which were on...what else can I do other than spray at night and hope they all bite the dust?

 

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I had a situation like this before and used spray, didn't really work.  I hired a pest control guy that used a powder and destroyed the nest.  What type are they? European or Bald Faced?  The European and not aggressive unless the nest is disturbed.  The Bald Faced are very aggressive.

I'd keep blasting it with spray after dusk. Sooner or later they will either leave or be dead.

Use it as a teaching moment. Tell your kids it’s a piñata. 

 

You can use spray but find the entrance hole and try to get the stream deeper into the nest. 

They're bald faced hornets...after last nights spray im seeing a big pile of dead ones around ..hopefully I'm making headway but not sure I'm getting any effect deep inside the nest..and yes I'm all for leaving nature be...but these things are too close and go way medieval when disturbed

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Kill them with fire! Only way to be sure

 

 

 

 

or keep spraying at dawn or dusk

Yes, in the old days you would soak the nest with gas and bring out the marshmallows. You can check amazn for some better professional grade spray 

36 minutes ago, Handyman said:

I'd keep blasting it with spray after dusk. Sooner or later they will either leave or be dead.

This.

The sprays will soak into the nest so eventually they'll all die.

I've been using this foaming spray that has worked pretty good, Stinger Wasp, Hornet & Yellow Jacket Foam. 

I get the entire nest covered in the foam. 

Use a power washer. Put the wand on the end of a pole. Obliterate those suckers in a great flood.

https://www.amazon.com/SpectracidePRO-Hornet-Killer-Aerosol-HG-30110/dp/B01LWMTJB4/ref=asc_df_B01LWMTJB4/?tag=hyprod-20&linkCode=df0&hvadid=242025013409&hvpos=1o3&hvnetw=g&hvrand=18415507179141328535&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1021806&hvtargid=pla-446749247975&psc=1

Drench it in this after dark and they will all be dead. 

1 hour ago, Zeke said:

Kill them with fire! Only way to be sure

1 hour ago, voyager9 said:

Use it as a teaching moment. Tell your kids it’s a piñata. 

Ha Ha Ha... that's awesome!!

1 hour ago, voyager9 said:

You can use spray but find the entrance hole and try to get the stream deeper into the nest. 

This is what works. I love going after hornet's nests.  The bigger the better!

The key is to get the spray up into the entry hole and really soak it, then any hornet that tries to go in and out gets terminated, and the residual spray soaked into the nest kills what's left in the nest.

power washer with soapy water; that kills most insects.  cloggs the pores on their body so they cant breathe and they die. 

2 hours ago, voyager9 said:

 

 

You can use spray but find the entrance hole and try to get the stream deeper into the nest. 

Phrasing?

2 hours ago, Zeke said:

Phrasing?

Remember, every nest has two points of entry. Make sure you penetrate both.

Forget spray.

Use a drone.

 

5 minutes ago, Krdshrk said:

Forget spray.

Use a drone.

That's awesome!

Potentially very expensive, but awesome!

Just give a neighborhood kid you don’t like a dollar and a baseball bat.  

 

Watch from inside the house. 

Here's the real answer: Sevin.  It;s the brandname of a carbaryl insecticide.  It's available as a powder or as a liquid. Unlike wasp sprays that have quick knockdown, Sevin is residual - it stays around for a long time doing it's job.

It's available as a powder or as a liquid concentrate.  If you can find a way to dust the nest with Sevin powder, it will kill the wasps over the next few days. 

If you can squirt the liquid on the nest, it will also kill the wasps over the next few days.  A child's supersoaker type water gun is a good way to apply the liquid (mixed according to the directions on the bottle).  Make sure the pets are put away, neighbors ar ein bed, spray upwind, get a shower after, and throw out the supersoaker.

Do your work at night only and be ready to skedaddle. I've done this lots of times. It works 100%.

7 hours ago, Zeke said:

Nuke em from orbit! Only way to be sure

 

 

 

 

or keep spraying at dawn or dusk

Fixed your post.

kill it with fire. 

Put the nest into a box and send it to someone you dislike.  Mark the outside of the box as indicated here:

 

Carbeurator cleaner always worked for me. Or just keep spraying em with standard old wasp spray.. either works.

CRC electric motor cleaner, or like I do a little gas and a match. Fire is the best was just have a hose ready.

Hornets vs Shop Vac:

 

After you're done, make sure you let your mother in law open the shop vac...

Haven't  flame throwers been legal now for a few years?  Do you really need a better excuse for why you need one?

https://throwflame.com/products/xl18-flamethrower/

 

Thanks for the all of the advice boys..I've been hitting it every day with wasp spray..activity in the nest looks nil at this point..fire will be introduced shortly..just working on logistics of flame delivery

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4 hours ago, gleninjersey said:

Haven't  flame throwers been legal now for a few years?  Do you really need a better excuse for why you need one?

Or, get the Elon Musk/Tesla version:

https://www.boringcompany.com/not-a-flamethrower/