Blue Worm – All Details

Blue Worm (Perionyx Excavatus)

Blue worm; There is a blue worm in the type of worm used in the production of worm manure. In some places it is also called Indian blue and Malaysian blue.

This worm, known for its blue glow under the light, can sometimes be confused with the red worm. The blue worm, known as the natural compost worm, becomes puffy when the right conditions are met, it consumes too much food, and their reproduction is fast.

Blue worms are a type of worm composting with vegetable and fruit waste. These worms, which do not grow more than 6-7 cm, are used in line fishing because they are thin.

These worms, which are famous for their travels, are also likely to be seen in ceilings and walls in different places depending on the situation of their feeding.

These worms, which are famous for climbing, also have these features in their way of life.

The ability of blue worms to withstand temperature is not so great. Blue worms can provide the best 21-26 C performance.

These tropical worms may attempt to escape if they are not protected from excessive sun.

Blue worms love arid conditions, but those who take care of it should still prefer the moist environment for any possibility. If the thorn in the tail of this worm, which is also referred to as ‘thorn tail’ among the birches that should be considered while feeding the blue worm, is not noticed, it may sink into the caretaker’s hands and cause cuts. These nail-shaped worms have the feature of being thin and pointed when compared with a different fertilizer worm.

blue worm
blue worm

Blue Worm and Eisenia Foetida

The blue worms (Perionyx excavatus) have such notorious reputation as loving travel. They can not only leave the table (system) where they eat, but can also be found on the walls or in much more unexpected places. From time to time, they can even be seen on trees and / or on the ceiling of the office room if worms are cared for in an office. In summary, climbing is an indispensable passion for these worms, but an indispensable part of their nature.

The most important thing to know about blueworms is that they are a very common invasive species for Redworm culture, and many vendors knowingly or unknowingly sell blueworm from the redworm pest. For this reason, many manufacturers do not even realize that the worm in their hands is a blue worm.

The blue worms have been the subject of some controversy in North America, and consequently there have been those who considered it worthy. However, this is more about how the worm is sold rather than its real performance. It is possible to come across many disappointed customers in a fast internet search. These people are people who realize that most of the worms they order are actually blue worms.

However, they were able to realize this situation when their worms started to die or escape from the system in which they were fed; this is because blue worms do not tolerate environmental conditions as much as red worms. This situation can be summarized as using wrong worm species in wrong conditions. But there is no consolation for these customers who waste their money and time; all crime is fully owned by retailers.

When blue worms are left outside, they will “invade” outdoor worm containers. This poses a problem for worm sellers who sell 100% red worms to their customers who prefer red worms that are more resistant and have the ability to cope with problems. It also poses a problem for vendors selling worms for angling. Blue worms cannot reach the worm sizes required for angling, but they consume the food and bedding material of worms found in outdoor systems and grown for angling.

Considering transversely, there are much better choices for beginner worm farmers than blue worm. However, it may be an attractive option for worm manure producers who know blue worm well.

blue worm 1
blue worm 1

What should be given to the Blue Worm;

Fruit wastes; Such as apple, grape, banana, plum, peach, pumpkin

Vegetable waste; Carrots, lettuce, beans, limited potatoes and leafy vegetables

Egg shells; Provided that it is not too much and must be thoroughly crushed

Coffee grounds; It is a wonderful worm food provided that you do not overdo it

Tree Leaves; Again, but not too much, harmless tree leaves can be used, avoiding exotic tree leaves.

  •     Cardboard; Split cardboard waste is a great idea to be both food and bedding material.
  •     Garden Waste; Like bean stems, pea ivy
  •     Carbohydrates; Potatoes, rice and cereals, but limited.
  •     Burnt animal manure; Other animal fertilizers can be used, including horse manure.

What should not be given to the Blue Worm; Foods such as citrus waste, human waste, meat products, dairy products, animal waste should not be given.

Advantages of Blue Worms

Blue worms have many features of red worms; in reality it is often confused with red worms. Blue worms are naturally a good compost worm, but only when the right conditions are met. Their appetites are fluffy and reproduce quickly. The preliminary point where blue worms decompose with red worms is not as much as the Red California worm, which has the ability to withstand temperature and negative environmental extremes.

Blue worms like to live in bedding material next to or just below their food supply. Just like all other surface-fed worms, they feed on decomposed vegetative organic substances, usually vegetables, fruits, garden trash, and aged animal manure.

Blue worms have a really big appetite for producing worm manure. This species is not as big as the Red Worm, but they eat as much as they can.

Like other good compost worms, blue worms enjoy living in close-range colonies. This makes them also a fast-breeding species; therefore, many worms farmers consider this species to be ideal for producing vermicomposts. Unfortunately, there is no method of how to plump blue worms for angling. However, if used as a feeding worm, it may be an interesting option for reptile living things.

Blue worms breed very quickly. Once hatched, it reaches and reproduces sexual maturity in less than two months. Under ideal conditions, adult blue worms produce about 19 cocoons per week, each with a juvenile worm. These are just basic guidelines and there are many factors that affect reproduction rates. These factors include food sources, temperature and humidity conditions.

Blue worms perform best at a temperature in the range of 21 C – 26 C. According to the report of the University of Hawaii, blue worms can live at temperatures up to 7.2 C, but we still recommend that you do not lower the temperature to this level if you have invested heavily in blue worms. This means that cold tolerance is still not considered to be a strong adaptability of blue worms. If you use blue worms in tropical areas, you will have no problems. However, if your worm farm is in the northern regions, if you do not use any heating system and your blue worms will be kept outdoors, they can die.

Although blue worms are of tropical origin, you still need to make sure they are protected from the sun, and when the temperature reaches 30s, you should provide them with a shady environment. Blue worms tend to escape from the system if the system conditions are not what they want. What is mentioned here is not that a dozen worms run out of the system, but hundreds of them.

Some worm farm owners state that blue worms love arid conditions more than red worms. A large worm distributor states that a worse environment is needed for red worms, but the blue worm can live comfortably in a drier environment. However, for blue worms anyway, always allow a level of moisture, just like red worms. Because maintaining a certain level of moisture in the worm container is necessary for the natural decomposition of both bedding material and vegetative wastes by microbes. Keep in mind that the food of your worms is a diet of porridge consistency and microbes.

blue worm 2
blue worm 2

Disadvantages of Blue Worms

Leaving aside the other possible disadvantages mentioned here in part above, its main drawback is that it is an unnecessarily wandering worm. The situation is much more troubling when it is combined with the ability to love this tour with its appetite that appears to be an advantage at first sight.

For example, in the picture on the right, you can see that the blue worm, which is normally as sensitive to light as any worm, ignores the repulsive effect of light due to its excessive appetite. The worm does not care about the light because of its appetite and attacks the food.

The downside is that the worm doesn’t have the idea of ​​going for a ride once, you will realize that the light you use for conditioning has no effect; As a result, when you get up overnight or in the morning, you can see hundreds of your worms on the wall or ceiling.

Another nickname for the blue worm is known as the Spike Tails. The reason for this is the sharp spiny structure in the tail, and the fingers of most innocent worm fertilizer growers that grow blue worms can be cut mercilessly if they come into contact with the worm very closely.

In fact, the main reason for this situation is most likely due to the nail structures of the blue worms. These worms tend to be thin and pointed compared to other fertilizer worms. Another key feature is the location of the clitellum rings; The clitellum is located much closer to the mouth of the blue worms than the red worms.

Blue worms have been around for years, and have also been referred to as the “harmful worm” of worm farms. In hot weather, blue worms can invade the beds of Red Worms from time to time and increase their populations very quickly.

Blue worms are not only poorly tolerant to temperature changes, but also tropical lice that do not tolerate various fluctuations, loading-unloading or system interruptions in the worm container.

How Can Blue Worms Be Distinguished From Red Worms?

There are several factors that distinguish the Perionyx excavatus (Indian Blue, Shell Worm, Thorn Tail) worm from the species Eisenia fetida:

  1. Perionyx excavatus species does not have a dark light consecutive rings, as in E. foetida species.
  2. The clitellum ring of the Perionyx excavatus worm includes segments 13 and 17. Eisenia Fetida is 25-30. covers the rings. The clitellum ring of the blue worm is closer to the mouth than Eisenia Fetida species.
  3. Perionyx excavatus species is a faster species than E. fetida species.
  4. Perionyx excavatus species leaves water incredibly fast compared to E. fetida species.
  5. P. excavatus-type worms tend to have a more pale colored clitellum. On segment 14, it will be seen when viewed with a hand lens, it has a single dorsal (back) pore. 7/8 and 8/9. At the intersection of the segments, there are paired sprinkle pores, a pair of cleft-like pores in the 18th segment, and row pairs of discharge pores in each segment along the edge of the body of the worm.
  6. Perionyx excavatus species is quite thin and weak compared to E. fetida bush. This makes it a bad worm for angling, making the worm a good worm for humus production.
  7. The Perionyx excavatus species has an iridescent blue gloss.
  8. Since the Perionyx excavatus species is a tropical worm species, it is commonly found in India, the Philippines, the Dominicans, Australia and South America.
  9. The P. excavatus-type worm dies very quickly when the ambient temperature drops below 7 degrees Celsius.
  10. The P. excavatus species tends to migrate seriously in daylight or despite the bright light on them.

Food of the Blue Worm

Blue worms are extremely effective in composting vegetable and fruit waste and garden trash. Feeding the blue worm is very simple. Simply bury the waste in the bedding material in the feeding container. Information on nutrients to be given to worms and not to be given is listed below.

What to Give

  • Fruit wastes: Apple, grapes, bananas, plums, peaches, pumpkins, etc. except citrus wastes.
  • Vegetable waste: Carrot, lettuce, beans, peas, limited amount of potatoes and leafy vegetables.
  • Egg shells: In moderation and thoroughly crushed.
  • Coffee grounds: It is an excellent worm food provided that it does not overdo it.
  • Tree leaves: Use common and harmless tree leaves, avoiding exotic tree leaves, but still not to overdo it.
  • Cardboard: Chopped cardboard pieces are both a food and bedding material.
  • Garden wastes: Bean stems, pea ivy, beet top leaves etc.
  • Carbohydrates: Potato, rice and cereals provided that they are measured.
  • Burnt animal manure: Other animal manure, especially horse manure.

What should not be given

  • Citrus
  • Meat products
  • Dairy products and dairy waste
  • Cooked oil
  • Human waste
  • Animal waste


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1 Comment

  1. I am constantly engaged in agricultural work, but I have never seen blue worms like this for 8 years. Its color is quite nice, but is it that these worms differ from other worms in blue?

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