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I’ve Got White Worms!

White Worms and Euros and Mites, Oh My!

Not something most people would get excited about – in fact, I’ve had some people get in touch recently who were fairly concerned about the new white wigglers in their bin! For me however, it is exciting to get a mini infestation of white worms because it means I can finally try to get some pictures of them for the website! Yeah – I’m a weirdo!
:lol:

The pics I’ve added to this post aren’t the greatest but rest assured I will keep trying to capture some decent ones. I will also likely fire up my new Eyeclops toy and see if I can get some cool critter footage!

For those of you unfamiliar, White Worms (aka Pot Worms – family Enchytraeidae) are close relatives of the earthworms. Both of these worms are members of the class (might actually be subclass now) Oligochaeta – i.e. they are segmented worms with “few bristles”, unlike the ‘Polychaete’ worms.

White Worms are common inhabitants of rich organic environments, such as is found in a compost heap or worm bin. In particular, they seem to favour acidic conditions, and in fact can be used as an indication of decreased pH in a worm bin. Commonly they will spring up (seemingly out of nowhere) when lots of acidic materials are added to the bin, or when starchy materials are added and allowed to ferment. My very first experience with White Worms dates back to shortly after I set up my very first worm bin. I decided to add a large quantity of rice to my bin (not knowing any better at the time). Shortly thereafter my bin started smelling like a brewery and zillions of these tiny worms appeared.

Close-Up of White Worms, European Nightcrawler and Mites

White worms themselves are completely harmless in a worm bin, but again they may be and indication that you are overfeeding, or perhaps adding too much acidic waste.

My recent invasion (which is very tame in comparison to my rice experience) likely stemmed from the addition of a decent amount of pineapple scraps, a very acidic material.

White Worms are actually a very popular fish food among aquarium hobbyists. Interestingly enough, one of the suggested ways for breeding them is to soak a piece of bread in milk then add it to the bin where you are keeping them. I can’t say I’m surprised – this would be the ultimate in sour, starchy concoctions!

I think I’m going to add some baby pablum in an effort to increase the population – more White Worms means more photo opps!
8)

I’ll keep you posted!

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Written by Bentley on March 24th, 2008 with 18 comments.
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18 comments

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Get your own gravatar by visiting gravatar.com brian
#1. December 26th, 2008, at 9:15 PM.

Those are another species of worm? I had tons of those come with some worms that i bought and I tried my hardest to save them because I thought they were babies! How would one tell the difference between a baby worm and a white worm?

Get your own gravatar by visiting gravatar.com Bentley
#2. January 6th, 2009, at 3:04 AM.

Hi Brian,
Sorry for the delay responding. I wouldn’t worry too much about having these come with your composting worms – they should gradually disappear (or at least decrease in number) over time. White worms tend to be very white, with little in the way of pigmentation in their bodies. Baby earthworms tend to be more translucent with some pigmentation visible inside – they also tend to be larger than white worms.
Hope this helps

B

Get your own gravatar by visiting gravatar.com Janet
#3. October 17th, 2009, at 2:10 AM.

That is true, the pot worms are very white compared to baby redworms that are a translucent pinky orange. The reason is that redworms have red blood and the white worms don’t.
JT

Get your own gravatar by visiting gravatar.com Marian
#4. May 14th, 2010, at 8:43 PM.

Hi,

I’ve recently gotten interested in lawn care. (After findings ant hills all over our lawn.) I had bought a bottle of Chemfree ant killer spray. As I sprayed the ant hill, these tiny white worms emerged from the hill. Days later, I had plucked some grass (with the root) in hopes to identify the type of grass we have and noticed again this tiny white worm dangling from the root. Are they pot worms and if so, are they good for my lawn and why the heck are they hanging out with the ants?

Get your own gravatar by visiting gravatar.com bee
#5. September 1st, 2010, at 2:47 AM.

Help! I all of a sudden have millions of these guys – or they look like them – and my red wigglers are hating it. they are at the surface and the lid now and trying to escape. this is the first problem i’ve had and i’ve had my bin system going for about 6 months. i have no idea how to fix this! a million thanks to anyone with experience in this matter who’s able to share their tips.

Get your own gravatar by visiting gravatar.com Nick
#6. February 27th, 2011, at 1:51 AM.

Bee, its because your bin is to acidic. You need to fix the ph level in your bin. I had this issue with my worms as well. As soon as you fix the Ph your worms will go back to the bin no problems

Get your own gravatar by visiting gravatar.com Flavia
#7. March 10th, 2011, at 7:46 PM.

Hi, I have had a worm bin for two years now, and last summer was when I had serious problems with a white work infestation. First, I started watering my veggie plants with a mixture of water and “worm wine” that drains and collects at the bottom of my bin. A couple of days after watering I noticed that some of the plants started to look very sick, and upon investing a realized that I had a white worm outbreak. The white worms were sucking the life out of my plants. This didn’t occur the year before. Not only did the “worm wine” contain the eggs or larva of the white worms, but the actual compost material did as well. So, the only means to rid the infestation was by killing them with a pesticide. And my veggies didn’t come out as great as they did the year before.

I’m rather nervous about using the worm bin compost this coming planting season, as I don’t want to have to go through this again. Any help on how to rid my bin of these white worms would be greatly appreciated. Thanks.

Get your own gravatar by visiting gravatar.com Bee
#8. March 10th, 2011, at 8:51 PM.

Hey Nick – thanks for your comment – the problem sorted itself out after a matter of days. But it’s helpful to know for the next time it happens.
Flavia – i’ve never fed my plants the drainage from my worm bin — i imagine it would be quite concentrated in acidity. Despite the white worm problem, putting my actual castings in my plant pots has never caused me any problems.
hope this helps!

Get your own gravatar by visiting gravatar.com margaret gauvin
#9. April 27th, 2011, at 2:03 PM.

yes we had a lovely lawn a year a go and now we have a dead lawn
we were told it was the white werm in the earth what do we do for it

Get your own gravatar by visiting gravatar.com yoder
#10. June 1st, 2011, at 6:09 PM.

i’m wondering if there’s two different types of “white worm” that people are talking about. Could the one that normally consumes dead matter somehow also have a taste for live plants? Maybe when they run out of their preferred food sources…?
I’ve been curious about these white ones, wanting to introduce them to my place, but i’ve heard mixed stuff about them, like that they can out-compete the red worms. the pH thing’s a good one to know… anyone tried adding a tiny bit of wood ash to some water and seeing how that pH increase affected their infestation??

sounds like they’d be useful for taking care of acidic stuff that the red worms don’t care for. starches, dairy, citrus?

Get your own gravatar by visiting gravatar.com Bentley
#11. June 2nd, 2011, at 12:53 AM.

Hi Yoder,
Like any common worm bin organism, white worms can certainly do better than Red Worms – but in my opinion it not so much that they outcompete them, but rather that they are taking advantage of conditions that are better suited for them then the Reds.
I’ve never really tried to optimize for white worms so I’m not sure how effective they are on their own as composters – would be interesting to test out though.
I’d be surprised if there were white worms (aka “pot worms”) that harmed plants. Nematodes for sure, but they are typically too small to be seen with the unaided eye.
Careful with the wood ash and water – that’s how they used to make (caustic) lye for soap.

B

Get your own gravatar by visiting gravatar.com Flavia
#12. June 2nd, 2011, at 7:57 PM.

Yeah, when I was feeding my plants the liquid worm casting juice (I have a special bin that collects the liquid) I was diluting it with water based on the directions given. The first year it worked great. The second year was the problem associated with the “white-worm” infestation, and all of my pots/veg beds planted with worm casting compost and watered with the “worm-wine” showed unhealthy plants with “tons” of white-worms in the soil and concentrated around the root balls of the plants.

Note that the worm casting compost and the “worm-wine” didn’t appear to have live worms in it all the time of use, which leads me the the conclusion that they just hatched from eggs in the castings materials.

I will give the wood ash suggestion a try, as I have plenty of ash from using a wood-stove almost daily during the winter months.

Get your own gravatar by visiting gravatar.com yoder
#13. June 2nd, 2011, at 8:54 PM.

yes, bentley is right — wood ash is POWERFUL stuff. Maybe get some pH drops (a bottle costs only several bucks) and make sure your pH isn’t above 8.

Wild guess, you won’t need more than a teaspoon or so in a gallon of water.

oh yea…
“White Worms are actually a very popular fish food among aquarium hobbyists.”
i wanted to say that i recently visited an aquaponics (fish are fed fish food, and their poop feeds food crops) company, and they had their own on-site vermicomposting system (about ten 3′x3′x3′ boxes). The guy said they actually add a bunch of the castings to the fish tanks, because it really helps their SLIME LAYER be thicker, which is an excellent sign of health. I thought that was really cool. I wonder if it’s the nutrients in the castings that are helping the fish, or the worm slime itself that’s just sticking to them. maybe both…

Get your own gravatar by visiting gravatar.com Flavia
#14. June 2nd, 2011, at 9:15 PM.

Thanks for the extra advice, I’ll check my wood ash mixture with my fresh water aquarium pH test kit. I would think a level of 8-9 would be adequate to start lowering the pH in my bin, as I don’t want to shock the system, but gradually lower the pH to favor the red worms.

Fish excrete a mucous (slime layer) from their skin’s mucous membranes and my best guess is it’s the nutrients in the castings that help promote healthy bacteria in the aquarium environment that benefit the fish’s overall health.

Get your own gravatar by visiting gravatar.com yoder
#15. June 4th, 2011, at 8:42 PM.

cool.
correction: you want to _raise_ the pH. wood ash is alkaline. pH will go up, which will favor red worms.
luck!

Get your own gravatar by visiting gravatar.com Joe
#16. June 22nd, 2011, at 7:11 PM.

@Flavia,

Have you tried cooking the worm wind/castings? 30 minutes in a hot oven ought to kill any plant-eating bugs.

Get your own gravatar by visiting gravatar.com yoder
#17. June 23rd, 2011, at 7:26 PM.

those bugs will just come right back if your soil conditions are favorable

more effective would be to nurture your soil towards being a favorable environment for beneficial/predatory bugs

let them do the work

Get your own gravatar by visiting gravatar.com Shelly
#18. November 15th, 2011, at 3:06 PM.

I have a worm bin filled with white pot worms, I just checked the PH and it is 8. I am confused, should I raise or lower this number and what should I add? I actually have two bins, my second has no white worms but also has a ph of 8 and the worms are trying to escape. thoughts? suggestions?

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