worm castings

What A Worm Egg Looks Like – Worm Cocoon

As I have received a number of emails as to what a worm egg, also known as a worm cocoon or worm capsule will look like so I decided to place a photo on here.

The following are European Nightcrawler worm cocoons which I removed from a few breeder bins I have. The eggs from your composting and fishing worms all look similar, however the size will vary. For instance, your red wiggler worm cocoon will be smaller overall than the European Nightcrawler cocoon.

I usually do not take the time to separate the worm eggs or cocoons from my vermiculture mix. Normally I take the eggs after I have separated them with 1/8 inch and ¼ inch screening process every two weeks and place in the incubator for several weeks.

The reason for this is to separate my worms by age so I have an accurate count of what I have available as well as being able to place my mature worms by age aside to sell.

If you look at the picture of the worm cocoons below, you will notice they show similarity to a tomato seed. The lighter colored ones are the newest cocoons to be laid, while the darker colored ones are maturing and getting closer to hatch.

worm egg

Each worm cocoon can produce multiple worms from one or two worms up to ten or so worms. A good law of averages is to figure on 4-5 worms per cocoon. In short, 1,000 cocoons should produce 4 – 5 thousand worms. Of course the conditions by which the worms laying the cocoons were raised under and the conditions the cocoons are incubated under come into play here.

Bruce

14 comments to What A Worm Egg Looks Like – Worm Cocoon

  • bil ellisor

    how long do it take for eggs to hatch in the bin

  • Bil

    There are numerous factors that come to play on the length of time it will take for the worm cocoons to hatch. Temperature is a main one as if too cool they will take longer and may not hatch until some time down the road when the temperature rises sufficiently enough. Also some breed of worms take a little longer than others.

    If you give us a little information about the type of worm and where you are raising them, i.e. inside, outside…temperature… we can give you a better idea.

    Bruce

  • hollywood fl. outside 5 gal.buckets large wood boxes.red wigglers.plenty eggs ,no babys. temp 39 to 45 at night 65 to 75 daytime

  • Bill,

    Yes it is much too cold for the cocoons to hatch with those temperatures. Basically you want a constant temperature of 70 degrees for the worm cocoons to hatch.

    You may collect them and move them to another container inside so as they will hatch sooner. I recommend you take a little of the existing bedding material they are laying in to use for bedding in your hatchery bucket.

    If the conditions are correct and you move them inside, you should see a majority hatch within a week or two.

    Bruce

  • Craig

    What is the average lifespan of the Red Wigglers? Should I try and thin out the older worms every so often, so that I don’t have any dying in the vermiculture? What do you recommend is a good system for thinning out the worm population, so that you keep the entire worm family healthy and happy? Thanks!

  • Craig

    I have heard that red wigglers can live up to ten years. I personally have not tagged one with a radio transmitter to follow… :-)

    From experience I would have to say anywhere from one year to three years can be expected after the worm grows to full size under the right conditions. Take for example African nightcrawlers would be total life expectancy of 2 to 4 years since the worms we sell take 8 months to reach a size of 6 to 8 inches in length, and will grow some more given enough time. I have had African nightcrawlers as long as ten inches plus without being stretched out.

    As for thinning worms, the best and easiest approach is to keep them thinned out. Simply screen your bedding every two weeks if a large system or perhaps once a month for a 18 gallon size worm bin for cocoons. Use some of the original bedding material for your cocoons to hatch in and allow them to grow. Wait about 4 months to screen the new bin of cocoons which gives the red wigglers enough time to grow, mature and begin producing cocoons.

    Again this differs with different types of worms. African nightcrawlers do not mature until about five months old, hence you would allow this bin to sit for six months or so before screening the hatched cocoons again.

    Bruce

  • i wonder if my hatch bucket is to wet.i have it outside now,it has begun to warm up,65/75.degrees.i have baby worms in my wood boxes.tell me if it hurts,for them to be to wet/ thanks bill ellisor

  • Bill

    Yes they can get too wet… You need them just damp as the bedding you have your worms in. Also try to keep the worm bin at 70 – 75 degrees to help them hatch quicker.

    Bruce

  • Anne Gullett

    I am interested in worm composting but have two questions. First, I have a 55 gallon plastic drum that I use for regular composting. Is this too large to use for worms? Second, I live in Texas and we often have 30+ days of 100 degrees or more. I read that 70-80 degrees is a good temperature for worm composting, but wondered if I gave them a larger, deeper container and kept it in the shade with plenty of ventilation the worms might be okay. I have no problem starting smaller and indoors, but just wondered if you had any insight to my questions.

    Thank you for your help!
    Anne Gullett
    Coppell, Texas

  • Anne

    Sorry for the delay here and on all the other threads… been busy working on several items from garden to worms…

    The temperature of 70 to 80 degrees would actually be the internal temperature of the worm bed itself and not the external temperature outside. Of course 30 days or so of 100 degrees or so will effect the internal temperature however the shade would help to control it.

    In areas where the temperature may become extreme you could also set the large drum partially buried in the ground, two feet or so to help maintain coolness as well as some warmth in the winter where the cold weather is not so extreme.

    Bruce

  • how do i know what kind of worms i have i digged them up

  • i have 5gal buckets outside,worms are coming thru the holes in the bottom.what am i doing wrong.they are leaving my wooden boxes.i have worms all over the yard,where i have shade trees and leaves.i live in hollywood fl,and the soil is sandy,worms are hard to find in the sand.

  • Bruce,
    Thank you for the information about the red wiggler cocoons and their lifespan. I started out with about 1,000 red wigglers a year ago and now have probably 3,000 to 4,000 (although I am not really sure). I have two systems for my worms. I have a large Rubbermaid plastic storage container that sits on top of a furniture dolly (the dolly is great for moving the worms around within a shed!) and one of those stackable five-tray systems that is in a spare bathroom tub (and yes, my wife did give me permission to have that in there, as long as there was no mess). Here’s my question, “What is the best way to process and sterilize new dirt for the worms?” I was thinking of taking regular soil from the ground, and pouring boiiling water over it to (a) kill any “critters” that might be in the soil, and (b) kill any bacteria or germs in the soil. Good idea or bad? What do you recommend?
    Thanks!
    Craig

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