Insect Pheromones Moths
Background
Silkworms are the larva of the moth (Bombyx Mori) native to Asia that spins a cocoon of fine, strong, shiny fiber that is the source commercial silk. The culture of silkworms is called sericulture. The different species of silkworms raised today because the quality of silk they produce. Worms feed on the silk sheets of mulberry (genus Morus) and sometimes on the Osage orange (Osage Orange).
Bombyx Mori will not bite, make an ideal worm for feeding of most reptiles, amphibians and other animals, and that offer great nutritional value.
Newborns are small enough for most baby reptiles to eat silkworms and young people may even feed so as to achieve a desired size. Silkworms soft-bodied, slow and may grow to 3 inches long. They are also relatively strong growth, reaching about 3 inches long and ready to cocoon in as little as 25 to 28 days.
Silkworms go through four stages of development, like most insects: egg, larva, nymph and adult. The adult (imago) stage is the mulberry tree. The larva is a caterpillar silk. The is that changes chrysalis silkworm in its cocoon after turning before emerging as a moth. Since the silkworm grows so large, it must shed its skin four times, while it is growing. These stages within a stage are called stadiums.
Today, mulberry life in captivity. Silkworms have been domesticated in order to which can not survive alone in nature, especially because they have lost the ability to fly. All wild populations are extinct. Have also contributed to their extinction special is the fact that they eat mulberry leaves.
Silkworms have been used by researchers to study pheromones or sexual attractant substances. The pheromones are released by females and males detect the chemicals with olfactory hairs on their antennae. This allows the man to find the female to mate. The male antennae are made of many small hairs to increase the chances of collecting small amounts of pheromones over long distances.
How worms grow your perfect size
The great advantage of silkworms is that only grow as they feed, and can go for a week or two without food. Say you have a couple hundred small silkworms, but has a bull frog or iguana large. All you have to do is feed the worms that eat, keep warm and dry, and some days you will have some good sized worms. Silkworms have too? No problem, feed them once or twice a week and will remain active until you need without growing much larger.
Wash hands thoroughly before handling food or screws or May, will develop problems bacteria. In Using a cheese grater, the grill of a small amount of food in the worms and repeat until the worms reach the desired size. For best results, maintain the temperature between 78A and 88A ° ° F.
Excessive condensation in the container after the food is the main cause of failure. If this condensation is formed, remove the lid of your tank and let the container and old food to completely dry. In the future, make sure the previous food is dry before feeding again. Old food moisture is a breeding ground for mold and other problems, dry food is not.
As the worms grow older, you may need to transfer your worms to a larger plastic container. The lid should have ventilation holes. If not, you need to remove the lid to silkworms not suffocate and to allow condensation to dissipate. You can also use a shoebox. The old food and debris can be removed, but should not if you're completely dry.
In ideal conditions (78a to 88A ° F and allowed to feed nearly continuously) can go to the silk from egg to 1 inch in length in about 12 days, and 3 inches in less than 30 days. The worms will begin to weave a cocoon around 28 to 30 days old or when they are between 2 1 / 2 and 3 inches long.
From Cocoon to Butterfly
Silkworm moths out of their cocoons after spending about two to three weeks metamorphosing. Like butterflies, they do not eat or fly. Usually, they mate, lay eggs and die in a week. Fertile eggs turn from yellow to gray or purple in a week or two. If the eggs do not hatch within 3 weeks, usually not will hatch until the following year (see above, from egg to larva).
Handling procedures
A Again, for your worms to stay healthy for many weeks, you will need to keep the silkworms as dry as possible. If condensation builds up during the food, ventilation of the container lid to prevent excess moisture.
Be sure to wash hands before handling the worms or food. Silkworms can be susceptible to bacteria if not handled properly between them. While the container environment remains dry, your worms will be fine.
Mold develops from high temperatures and high humidity. If the worms are covered with droppings, silk and old food for too long, mold developed in May and to kill. If mold develops, the grill about 1 / 4 inch of food (sold separately) in all lines with a cheese grater. As the worms crawl through the new food pile you can transfer them off the moldy food and place them in a bowl again.
Silkworms are susceptible to the emergence of bruising and death if not handled with care, especially as they grow. When handling and transferring the worms, be very gentle.
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Mark Spranger is the owner of http://www.silkwormshop.com and http://www.buyfruitflies.com
GIANT CECROPIA MOTHS ON CACOON (07.06.21) 2
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