Friday, September 17, 2021
Friday, September 17, 2021

These small insect screens keep wasps and bees from colonizing your RV

Imagine your surprise when you need to refill your propane tank. One nasty yellow jacket nest that needs to be removed.

If you have lived or vacationed in the Deep South, at some point you’ve likely encountered some pretty wicked wasps and bees. It doesn’t take long for a scout wasp to find that protected crevice, exhaust vent, drain opening or closed bay in your RV to make a nest.

Mud dauber nest in a roof equipment base.

Wasp species that make different nests

Take mud daubers, for instance. While they are good at catching spiders and other insects, their nest can be a problem to get rid of if left unchecked. Yellow jackets, paper wasps and bees don’t need a lot of space to gain access. Just one female can quickly reproduce and, before you know it, you have a major problem.

One of several sizes and shapes to protect your RV openings.

Easily protect your RV’s vents

So how do you protect your RV’s vent openings? Mesh covers like these will keep the invaders out, especially if you store your RV for months. But do yourself a favor – secure with a lightweight wire as their springs easily break and can fall off if bumped.

The best time to kill the colony

According to bee experts, if you see wasps or bees flying around a vent, they may only be scouting. If they’re flying in and out, you already have a nest to destroy. If you spray insecticide on a vent or opening, that may initially steer them away. But, as the spray wanes or rain washes it away, you’ll be back to square one. For some species, spray just after dusk when the wasps will be in the nest and less likely to chase you and attack.

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Edward
15 days ago

Do they sell screens for the A/C units?

Richard
16 days ago

Keep seeing articles saying NOT to use these screens because they disrupt the air flow to the devices, causing malfunctions and inefficiency. Perhaps a piece on this would be appropriate for RV Travel.

Sharon B
14 days ago
Reply to  Richard

You just check often and keep the screens clean. Once the creature gets into the system then there is no way to clear out for clear air channels. That is my take on it.

martin a
16 days ago

I had a mud dauber nest that blocked the burner in my furnace, had to take it apart and soak it and clean it out. saved a service call and about $60 in parts.

Tommy Molnar
17 days ago

Years and years ago before they started selling these screens commercially, I made screens out of common house screening for the back of the refrigerator, and the water heater. I bought the cover for the furnace outlet. So far, no infestations.

Bill Brady
12 days ago
Reply to  Tommy Molnar

Any issues with airflow over time? Do you spray them down/clean them periodically?

tom
17 days ago

If you are in the South, and you have not installed these screens, you will get a surprise one day.
Helping a friend with his motorhome, in storage lot, opened the hood and there was an entire line up of nests under the cowling.
Don’t forget the frig vents.

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