Xtremehorticulture

Control Pillbugs/Sowbugs With a Variety of Methods

Pillbug, sowbug, rolly polly. Thanks Texas A and M for this pic. Q. I took your advice and am treating pillbugs in my garden like slugs. I have drowned them with beer but they keep coming back. But, they keep coming. I have two bowls with  about 100+ critters in each every morning. My neighbor has been giving me his old cans of beer. I had to dig up the rhubarb plants and put them in pots. This is sure a frustrating year.  Hope you are having more luck . Dirt Devil cordless vacuum. Mine is an older Model. A. I am sorry to hear you’re having such a problem with these critters. Maybe I can add my two cents. These critters are crustaceans, in the same classification as lobsters and crayfish. They have gills and so must have a wet environment to stay alive. Anything in the garden that keeps moisture on the surface of the soil and around plants is going to encourage them. Likewise, they will want to hide during the daytime underthings that collect moisture such as mulches, newspaper late on the soil surface, boards on the soil surface, etc. sometimes just laying these items on the soil surface and removing them during the day followed by some light vacuuming with a cordless vacuum can provide some control. I use the Dirt Devil cordless vaccuum. I don’t know if it is the best one out there but it works. Maybe some others have a better one if they can comment. Mine was fairly inexpensive and when you are trying things out for a first time price becomes important. I have used it now for four years. As far as chemicals are concerned, I see diatomaceous earth recommend a lot. The problem with this is it cannot handle wet environments. And these critters cannot handle dry environments so they are kind of mutually exclusive of each other. As far as pesticides go the natural products containing pyrethrum is supposed to work. Heavier duty insecticides such as the synthetic pyrethrins which end in -thrin in the ingredients should also work. I saw a report that the insecticide Sevin (carbaryl) will also work. I hope this gives you some other options. Take Down is Monterey’s synthetic pyrethrin.

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Rolly pollies, Pillbugs, Sowbugs Potential Big Problem with Strawberries

Q. We are growing the most beautiful strawberries, the problem is that the rollie pollies are eating them before we get a chance to pick them. We have applied dicotomes earth but it has barely slowed them down. What else can we try. A. I feel your pain. This is a tough problem. The roly pollies, sometimes we call them pillbugs or sowbugs, can be a very common pest of soft fruits and vegetables. These crustaceans (they are not insects but are more closely classified closer to lobsters) usually feed and abound in rotting or decaying plant matter which we usually call organic matter. Stuff from plants which collects on the surface of the soil where it is wet will begin to decay. Technical information on sowbugs in the Southwest This decaying organic matter is a usual source of food for these common pests. They can be good guys since they feed on decaying plant matter and convert it to something that can be recycled and benefit the plants. Once they get established they can get a little overzealous and start to consume other plants or plant parts which are soft and succulent. If strawberries come in contact with the soil surface where these creatures are feeding they don’t distinguish between soft decaying organic matter or soft succulent strawberries. So the control measures usually focus on keeping the strawberries from touching surface of the soil or decaying plant matter and picking when they are ripe and not letting them get soft. This would require that the fruit be kept elevated off of the soil surface. I wish that I had a good answer for you on how to do this. I don’t. Other people may recommend using diatomaceous earth but I am not convinced that this will work with your roly pollies. It is better suited for very soft bodied pests which crawl along the surface of the soil. These very sharp diatoms, at least this is the thought process, cuts or lacerates the pest and they succumb to the lacerations. You can also use traps in the beds and remove them from the traps as they accumulate. This does not exterminate them but it does help to reduce their numbers and hopefully the damage from their numbers. These traps can be something that lies on top of the soil surface such as strips of carpet, cardboard or wood. Removing these pests from these traps is simple. Since they like their social gatherings in darkness they tend to gather in these shady spots. Remove the shade and remove them by hand. You can also put out semi rotten tomatoes or other vegetables which will act like magnets and attract these varmints.  Then you can scoop up these rotting fruits and vegetables along with the pillbugs and dispose of them.  That won’t get rid of them but it will take the numbers down.  Sluggo Plus contains iron phosphide and spinosad and is labeled for sowbugs, pillbugs, and cutworms and is registered as an organic pest control product for gardens and available at Home Depot. The original sluggo is for controlling slugs and snails.

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