i have a similar problem except i have no bugs inside but i will find spider webs on the outside of my truck occasionally. I hate it because I keep my truck super clean all the time. I wash her twice a week (touchless) and keep the interior immaculate. I have sprayed the hell out of every inch of the truck and I always do an under carriage wash.

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Me too, as long as theyre outside my truck I don't care but if they were inside.

 

You can bug bomb under the truck.. I have to do it to my race trailer as it sits for weeks between events.

 

Correct response!

 

This thread made me itch.

 

I'm still scratching

 

Same problem except it was a web from the passenger mirror to the body. I sprayed water in the mirror in every direction and used excess amounts of soap only to find a new web the morning after every wash. Finally got fed up and used some Raid and then waited a couple hours before I washed. No more spider.

 

Can your spider-nursery fit in your garage? If it's not Texas hot where you are to burn them up, how about windows down inside somewhere like a garage and bug bomb the garage. The smell won't be in your truck, but would do the trick I'm thinking... or wait like they say... sooner or later most of them will die... mostly

 

You wash your truck twice a week????

 

Have you tried putting a bunch of dragonflies in the truck. They eat small insects.