I'll tell you a story, of here, about beetle bags..
I came to this house 12 years ago... I started a garden the 2nd summer I was here...
Not alot, but some things..
No beetles...
2, 3, years later no beetles...
The 4th year, a small handfull, nothing at all really and I hand picked everyone...
But my neighbor said she was having terrible problems with them for her..
*and she loveddddd to spray insecticides, herbicides, and any other "cides" you can think of..*
The 5th year she said she'd noticed a bunch of others in the town have those bags and she was going to get one...
*she got like 8*
We had them in DROVESSSSSSSSSS that year...
OMGGGGGGGG.... it was sooooo bad...
Now, she's moved... and my mom bought the house and we don't use them..
for the like first 3 years we still had them,
numbers weren't as bad.. but still have them..
*and I also noticed that not many of the other gardeners' get them anymore*
and my beetle population has dropped since about the 4th year I was here...
Most people stopped using the bags, which drew more in and made them multiply faster....
*(because there's a pheromoan *sp* in there to attrack them like there's a female in heat in the bag)*
And alot of times, they are drawn to
plants that are stressed...
I can tell which one's are in trouble by which one's the beetles are on..
*the one year they ravaged my rhubarb...
well, it was a long, HOT, DRY SUMMER...
the next year, I remember it was cooler and rainer...and they hardly went near it..
I wish everyone would put their energy and effort into killing the grub in the ground..
*but that is my problem, no $$$$ to buy the stuff for the amount of space/lawn I have...*