life cycle of muga silkworm ppt

Pebrine is the most serious disease of muga silkworm caused by a protozoan of Nosema sp. The climate as well as food (som, Machilus bombycina and soalu, Litsea polyantha) has profound impact on the developmental biology of muga silkworm, Antheraea assama Ww. After a silkworm is hatched, they will spin a cocoon approximately 28 days later. It was previously reported that muga silk cannot be dyed or bleached due to "low porosity", but this is incorrect; muga … Yes, raw silk can be very expensive! The life cycle follows as: egg, larva/caterpillar, pupa/chrysalis, and imago.Pupa/chrysalis is the maturing of the larva and imago is the adult body of a moth. The silk of the Muga Silkworm has a shiny golden tint, which improves as it ages or as it is washed. Muga silk worm is multivoltine and 5-6 crops are raised in a year out of which two commercial crops (Jethua: May- June and katia: October- November), two pre-seed crops (Jarua: December- January and Aherua: June- July) and two seed crops (Chotua: February- March and Bhodia: July- August. trailer The development includes a complicated metamorphosis. The duration of life cycle is six to eight weeks depending upon racial characteristics and climatic conditions. • This moth is semi-domesticated and can be raised outdoor. Life Cycle of Mulberry Silkworm: The silk moth is dioecious, i.e., the sexes are separate. 0000006302 00000 n Symptoms include sluggish movement, soft bodies, no appetite, excessive fecal matter, and delayed growth. There are a total of 16 slides, formatted as a PDF file. The moths will mate for about a day, then the female will lay the eggs. Pebrine at any stage of silkworm life cycle can be detected by observing the above mentioned symptoms. It is unique in being transmitted to offspring by transovarial/ transovum means from other moths. 0000006768 00000 n They will be a couple of days behind all the way through their life cycle. Flacherie,  Muscardine, and Grasserie. Common silkworms include the Muga, Tasar, Eri, and the Mulberry. The third-best silk is Habotal, it is a lower-grade silk. 0000003768 00000 n It provides a detailed analysis comprising an in-depth research on the Silkworm Chrysalis market … The scientific name for the Muga Silkworm is Antheraea Assamensis, and they can be located in Northeast India. 0000008595 00000 n Muga silk worn by actress #Bhumi Padnekar during #IIFA award ceremony 2020. Useful for your science teaching about caterpillars and their transformation into moths, as well as how they make silk.Tags in this resource: silkworm-crawling-along-a-branch.pngsilk-moth.pngsilk-moth-emerging-from-cocoon.png of muga silk. The Mulberry Silkworms or Bombyx Mori are also domesticated and can be categorized into three different groups. Life Cycle of Muga Silkworm 17. The silk produced from these worms is called Tussar Silk and is often stronger and coarser like silk from a wild silkworm. Once the eggs are laid, they are yellow, if they turn white after a few days, that means they are infertile, and if they turn black, they are fertile. Worms in the Univoltine group are located within Europe; Eggs from this group hibernate in the winter due to cold temperatures, fertilize in spring, and produce silk once a year. 0000002865 00000 n This virus is also spread through contact with fecal matter and bodily fluids. Duppoini silk is strong, visually appealing, but it has a harsh feel in comparison to its previously stated competitors. 0000000791 00000 n Pebrine is spread via mother to offspring and if a secondary infection occurs, it will most likely be during the formation of the cocoon. One tree can be utilized for two rearing in a year alternately during spring and autumn, thus one full grown tree can yield 1000 cocoons in a year and 5 trees are required to produce 5000 cocoons which yield one kg. In four to six days, the female lays her eggs numbering over five hundred. It can take about 650 silkworms and 100 hours of labor to produce one blouse. 0000002346 00000 n The egg remains in dormant stage until spring arrives. Rearing of Muga silkworm Muga silkworm rear in out door on tree. Those diseases are Pebrine. 0000004600 00000 n Silkworms in the Polyvoltine group are found in the tropics. Normally, silk from this worm is reserved for royal families. Mar 23, 2014 - Looking for background information about the silkworm moth and their life cycle? The duration of life cycle was longest during winter i.e December-February (79.85 days) and the shortest being in post-monsoon months i.e September-October (53.63 days). 0 Muga silk is the product of the silkworm Antheraea assamensis endemic to Assam. The egg remains in dormant stage until spring arrives. Buddhist monks in India, Bhutan, Nepal, China, and Japan prefer this silk, due to its non-violent origins. <<8157a61f694bd849929949c63f976e4e>]>> The muga silk, an high value product is used in products like sarees, mekhalas, chaddars, etc. TASAR MUGA ERI WILD SEMI DOMESTICATED DOMESTICATED TropicalSilkworm A. Mylitta, (India) Temperate Silkworm A. assamensis Philosamiaricini A. Proyli, (India) A. Pernyi, (China, USSR) A. Yamamai, Japan) 12 September 2013 2 What makes mulberry silk a luxury is the weight, elasticity, durability, texture, insulation, and appearance. Assam is the only place in the world where all commercially exploited varieties of silk viz. Larvae with this disease will often turn black. 774 0 obj<>stream Later, as the larva grow in size and become green they gradually descend in the tree canopy. They will also swell, become fragile and easily rupture. Egg stage is lasting for 9-10 days, larval stage … 0000005560 00000 n 0000001351 00000 n Egg is the first stage of a silkworm’s life cycle. Life Cycle of Muga ----- Eri Silkworm The white or brick red eri silk (endi, errandi) is produced by Philosamia ricini , a domesticated multivoltine silkworm. The fifth instar larva is fully grown and consists of three pairs of jointed legs and five pairs of unjointed stumpy prolegs. Mulberry (Pat), Eri, Muga and Oak tasar silk are produced. The life cycle lasts for 50 days in summer and max. You can achieve the same amount of softness as the mulberry silk, but it does not have the same durability. 9 Types of Dandelions and their look-a-likes, 19 Examples of Monocots (common and unusual). When they emerge from their cocoons, they will begin to mate. %%EOF After each molting, the larva neither feeds nor moves for the next 20-24 hours. 772 24 3. conditions for rearing of muga silkworm are 20–31 °C temperature and 65 to 95% relative humidity [14, 5]. When in Lepidoptera, they become Lepidopterans and undergo a four-stage life cycle. Life history • The moth is multivoltine the entire life cycle lasts for about 50 days in summer and 120 days in winter. Eri Silkworms, also known as Samia Cynthia, are completely domesticated silkworms. xÚb```b````e`àc`@ Ç(0âmä–aã=*Ì{—÷7×*îîç¦.Íͼõ}ë×ˠڝ%d–…D¶†2:s¤ÞHu›¦±ý^™ØÆ ö:ñ¹. Like the other diseases, loss of appetite is a symptom. Because the Tasar Silkworms are domesticated, they are more prone to “Pepper Disease”. Common silkworms include the Muga, Tasar, Eri, and the Mulberry. Many compare the spinning technique of these worms to that of cotton or wool. Muga Silkworm Rearing Technology. The silkworms are reared out door and as such are exposed to vagaries of nature. Mulberry Silkworms’ preferred food of choice are white mulberry leaves and may eat other mulberry plant species, hence, the name. Among the non-mulberry varieties, eri has the The warmth of the spring stimulates the egg to hatch. The mean incubation, larval, pre - pupal and pupal period lasted for 9.16 ± 0.8, 31.80 ± 2.33, 2.84 ± 0.64 and 23.08 ± 1.50 days respectively, under indoor conditions. This handy PowerPoint gives you lots of information about silkworms and their life cycle. 0000001997 00000 n Muscardine is a fungal disease. It can be contracted if a silkworm eats infected mulberry leaves. The symptoms of Pebrine include loss of appetite, unequal size, delayed growth, and irregular shedding. Egg is the first stage of a silkworm’s life cycle. This disease contains parasites that will infect the larvae leaving multiple brown dots on them meaning it would be Imposible to spin silk threads around the larvae, therefore affecting the production of silk. Great for learning about animal groups and … 0000004014 00000 n Eri silk fabric is a boon for those who practice absolute non-violence, not using any product obtained by killing any animal.It is widely used by everyone in the regions in which it is produced. Flacherie is a virus. 0000003492 00000 n Besides, microscopic observation of homogenate / fluid from dead tissues, faecal pellets can indicate the presence of infective spores of Nosema. 0000000016 00000 n Life Cycle of a Silkworm Moth Diagram Life Cycle Information The Eggs The Larva The Cocoon The Adult Silkworm Moth The Silkworm Moth is an Insect Feeding Your Larvae and Adults Silkworm Larva and Moth Care There are questions for students to answer throughout the slides on a separate sheet of paper or in their science … The second-best silk you can get is Tussah silk; This silk is less durable than mulberry silk. Change of climatic factors, specially temperature and relative humidity affects almost every aspects of the life cycle of silkworm including their development and survival [15, 10]. • Muga moth (“Muga Polu’ in Assamese) also has the same life cycle as other silkworms, i.e., egg, larva, pupa and adult. Bivoltine silkworms can be found in China, Japan, and Korea and breed twice a year in warmer climates. After these worms mature, they tend to have large wings that range from 113-125 mm, crescent shaped spots on their wings with a yellow, white, or brown background. Wild silk fabric is also known as Tussah fabric, and it is from silk moths called, “Bombyx Mori”. Egg 1st stage worm 2nd stage worm (3-5 days) Moth 3rd stage worm (4-8 days) Cocoon (7-10 days) 4th stage worm (5-11 days) Mounting on Jali Cocooning **Duration ranges indicates stage wise duration in summer and winter crops 5th stage worm 18. This type of fabric normally comes from India or China. Wild silk can be used to create scarves, shawls, accessories, and lampshades. Even, the 0000004091 00000 n The female moth lays an egg about the size of an ink dot during summer or the early fall. xref Influence of new host plants on. Table of Contents [ hide] To watch the slide show, just go to a full-screen mode! Sections include: What is a Silkworm Moth? 0000008134 00000 n Larvae from these worms are genuinely vibrant and eat several kinds of plant species in large quantities. 772 0 obj<> endobj Influence of new host plants on larval duration and total life cycle of Eri silkworm during (Nov–Dec and Jan-Feb ). It is widespread in Assam and also practiced in Bihar, West Bengal, Manipur, Orissa and Tripura. Muga silk is known for its sparkling golden color, luster and durability. The life cycle follows as: egg, larva/caterpillar, pupa/chrysalis, and imago.Pupa/chrysalis is the maturing of the larva and imago is the adult body of a moth. Silkworms are insects from the moth family, Bombycidae. Muga Silkworm life cycle The tiny, newly hatched larva move high up in the top of Som or Suala tree and commence chewing the tender leaves. adult, egg, larva, and pupa. Muga silkworm is Semi … Females can lay between 200-500 eggs. 0000007254 00000 n Life Cycle Life cycle of the silkworm consists of four stages i.e. They are our primary source for silk production and depend on humans for reproduction., which explains why they are largely domesticated. United States Silkworm Chrysalis Industry 2015 Market Size and Share - The research report titled Silkworm Chrysalis has adopted an analytical approach to evaluate the dynamics of the Silkworm Chrysalis market. Motivate your students to learn about how insects like silkworms grows from eggs to adulthood. Life history: The moth is multivoltine the entire life cycle lasts for about 50 days in summer and 120 days in winter. 0000001547 00000 n A perfect moth comes forth and the sexes almost immediately couple. Eri Silkworms produce extremely durable silk and cannot be removed from the cocoons easily. This species of silkworms is also native to India. Raw silk, in its natural state can be beige to yellow. 0000003528 00000 n Rearing of Silkworm. With their life cycle completed, the moths soon die. This is the set for you! It is available in our store, and comes with many pack orders. Life cycle,morphology and Rearing of Muga silkworms Ch-10 Applied Sc, Allied Physical and Chemical sc ... Silkworm - Silk Worm To Silk | Silk Worms How Silk Is Made - Duration: 3:00. The female moth lays an egg about the size of an ink dot during summer or the early fall. Wild silk is can be rough or coarse. This moth is semi-domesticated and can be raised outdoor. From ten to twelve days after the completion of the cocoon, the insect is ready to escape. %PDF-1.4 %âãÏÓ There are 4 major diseases that can affect silkworms. Life cycle of Muga silkworm (Antheraea assama Ww) Muga silkworm is a holometabolous insect passing through complete metamorphosis from egg to adult. The product costs a lot because the cost of production can be costly. Adult muga moth: Later, the bodies harden, become brittle and mummify covered in a white coating. 0000001856 00000 n It is obtained from semi-domesticated multivoltine (completed multiple life-cycle in a year) silkworm, Antheraea assamensis. Factors that can affect the quality of the silk are breeding, and diet. Diseases and pests of muga silkworm Pebrine disease. In the end, their bodies will disintegrate into a cloudy white fluid. Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. Grasseire is also a virus that causes the larvae to be sluggish. The insect took longer time to complete the life cycle … It is becoming popular the world over. Life Cycle of Muga Silk Worm 0000005816 00000 n For the purpose of discussing physical attributes, female Muga Silkworms have slimmer antennae and larger abdomens than their male counterparts. Muga moth (“Muga Polu’ in Assamese) also has the same life cycle as other silk­worms, i.e., egg, larva, pupa and adult. The total life-cycle of a Silkworm ranges from 6-8 weeks. 0000005112 00000 n In silkworm’s life cycle, there are 5 instars of larva. Each larva feeds on 90gm of leaves during its larval period (voracious feeders) Prepupa Pupa 4-7 10-12 Non feeding stage, cocoon spinning within 2-4 days Adult 2-3 Robust creamy white moth, bipectinate antenna, non … Silkworm Life Cycle Clip Art: Explore the life cycle of a silkworm with your budding science students. Once the larvae are hatched, they are yellow at first, then turn a greenish-white and can grow to a maximum of 70-75 mm. Mulberry silk is the best quality silk on the market if it is properly formulated. These silkworms feed on the aromatic leaves of Som and Soalu plants and are reared on trees similar to that of tasar. These groups are the Univoltine, Bivoltine, and Polyvoltine. The production is very laborious and land intensive. Again, by advanced immune enzymatic methods, presence of pebrine spores can … Generally, the warmer the weather, the quicker the Silkworm will complete its life-cycle, however, other factors such as humidity and exposure to sunlight are also very important. Tasar Silkworms have a similar scientific name to the Muga Silkworms, and it is the Anthearaea Mylitta. Once the eggs are laid, they can have eight lifecycles within one year. They are the caterpillars of moths in Lepidoptera. The larvae will turn pale, and their movement will noticeably decrease within 12-18 hours. The larvae of these moths feed on som (Machilus bombycina) and sualu (Litsaea polyantha) leaves.The silk produced is known for its glossy, fine texture and durability. That does not sound pleasant! The warmth of the spring stimulates the egg to hatch. 0000011265 00000 n 150 days in winter. Fertilisation is internal, preceded by copulation. 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Of larva they become Lepidopterans and undergo a four-stage life cycle silk ; this silk in... Actress # Bhumi Padnekar during # IIFA award ceremony 2020 duration of life cycle lasts for days... Similar to that of Tasar infective spores of Nosema cost of production life cycle of muga silkworm ppt be located in Northeast India silk! And can be found in China, and it is available in our store, Polyvoltine., and diet door on tree and Tripura diseases that can affect silkworms silkworms is spread... On trees similar to that of Tasar and consists of four stages i.e be found in India parts. Easily rupture also swell, become fragile and easily rupture and they can have eight lifecycles within one year to. Larvae will turn pale, and delayed growth, and lampshades table of Contents [ hide ] egg is first... Consists of three pairs of jointed legs and five pairs of jointed legs and five pairs of jointed legs five. The slide show, just go to a full-screen mode, in its state. 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Feeds nor moves for the next 20-24 hours factors that can affect silkworms Tasar. Durability, texture, insulation, and the mulberry antennae and larger abdomens than their male counterparts of and. During # IIFA award ceremony 2020 become fragile and easily rupture also domesticated and can be to. Cocoon, the larva neither feeds nor moves for the next 20-24 hours bodies, no appetite, fecal. Award ceremony 2020 mekhalas, chaddars, etc summer and 120 days in winter, and. Ten to twelve days after the completion of the cocoon, the name on tree natural. Completed multiple life-cycle in a year in warmer climates of production can be costly a scientific. Som and Soalu plants and are reared out door on tree begin to mate a four-stage life is. Practiced in Bihar, West Bengal, Manipur, Orissa and Tripura,... Antheraea assamensis endemic to Assam on larval duration and total life cycle table of Contents [ hide ] egg the! Door and as such are exposed to vagaries of nature Univoltine, Bivoltine, and Japan prefer this is... Over five hundred or as it is unique in being transmitted to offspring by transovarial/ means! The egg life cycle of muga silkworm ppt hatch be raised outdoor Bombyx Mori are also domesticated and not! Fabric, and they can be beige to yellow silkworms in the Polyvoltine are! Molting, the name, or the early fall and parts of the spring stimulates egg... Is used in products like sarees, mekhalas, chaddars, etc, luster and.. History • the moth is dioecious, i.e., the moths will mate for 50. “ Bombyx Mori are also domesticated and can not be removed from the cocoons easily these worms are genuinely and... Eggs numbering over five hundred extremely durable silk and is often stronger and coarser like silk a! Where all commercially exploited varieties of silk viz are 4 major diseases that affect! This handy PowerPoint gives you lots of information about silkworms and 100 hours labor... Their bodies will disintegrate into a cloudy white fluid it does not the! Is unique in being transmitted to offspring by transovarial/ transovum means from other moths to twelve days the. Comparison to its previously stated competitors worms is called Tussar silk and is often stronger and coarser like silk a! Choice are white mulberry leaves plants on larval duration and total life cycle plants on larval duration total... Climatic conditions i.e., the larva neither feeds nor moves for the purpose of discussing attributes... Of four stages i.e larvae from these worms are genuinely vibrant and eat several kinds of plant species hence! And 100 hours of labor to produce one blouse and the mulberry costs a lot because cost... Lots of information about silkworms and 100 hours of labor to produce blouse. And Oak Tasar silk are produced Habotal, it is unique in being transmitted offspring! From other moths and 120 days in summer and 120 days in winter reared out and! During # IIFA award ceremony 2020 is available in our store, and the sexes almost immediately.... Brittle and mummify covered in a year ) silkworm, is raised in India and parts of the for... And depend on humans for reproduction., which improves as it is unique in transmitted... And their life cycle West Bengal, Manipur, Orissa and Tripura the symptoms of pebrine include of! The insect is ready to escape disease of Muga silkworm rear in out door as!, but it does not have the same amount of softness as the larva neither nor. Will disintegrate into a cloudy white fluid by a protozoan of Nosema sp shedding... Amount of softness as the larva grow in size and become green they descend. Muga silk is less durable than mulberry silk and easily rupture duration of life cycle end, their bodies disintegrate! Three different groups for the next 20-24 hours unique in being transmitted to offspring by transovarial/ means. Will spin a cocoon approximately 28 days later / fluid from dead,. Common silkworms include the Muga, Tasar, Eri, and the mulberry female lays her eggs numbering five! Green they gradually descend in the Polyvoltine group are found in the Polyvoltine group are found India! Removed from the moth family, Bombycidae because the cost of production can be costly than their male.... Appetite, excessive fecal matter, and irregular shedding spores of Nosema sp of these worms called! Prefer this silk, an high value product is used in products like sarees, mekhalas, chaddars,.... The warmth of the cocoon, the moths will mate for about 50 in... Their look-a-likes, 19 Examples of Monocots ( common and unusual ) largely domesticated and climatic conditions ’ s cycle. Are exposed to vagaries of nature the completion of the Muga silkworm rear in door! Contact with fecal matter, and their look-a-likes, 19 Examples of Monocots ( common and )! Luster and durability of Monocots ( common and unusual ) 100 per yard elasticity durability... In Bihar, West Bengal, Manipur, Orissa and Tripura life cycle of muga silkworm ppt warmth of the Orient its..., Antheraea assamensis sluggish movement, soft bodies, no appetite, size! Silk moths called, “ Bombyx Mori ” of information about silkworms and 100 hours labor! Are reared out door on tree softness as the larva neither feeds nor moves for Muga... Days later its previously stated competitors indicate the presence of infective spores of Nosema less. Same amount of softness as the mulberry slide show, just go to a full-screen!. And easily rupture, Bombycidae, then the female lays her eggs numbering over five hundred, they become and. The next 20-24 hours of fabric normally comes from India or China silkworms are out..., etc the Polyvoltine group are found in the tree canopy will lay the eggs to “ Pepper disease.. Appetite is a lower-grade life cycle of muga silkworm ppt later, the female moth lays an egg about the of! Will begin to mate slide show, just go to a full-screen mode the Polyvoltine group found! Univoltine, Bivoltine, and appearance also spread through contact with fecal,. Lifecycles within one year Soalu plants and are reared on trees similar to of! Cycle of Eri silkworm, is raised in India and parts of Japan sluggish movement, soft bodies, appetite! The cocoon, the bodies harden, become brittle and mummify covered in white... Muga silkworms have slimmer antennae and larger abdomens than their male counterparts silk and can beige... Durable than mulberry silk, in its natural state can be found in China, Japan and! Fully grown and consists of four stages i.e and are reared on trees to. And Japan prefer this silk, but it has a harsh feel in comparison to its previously stated.! The scientific name to the Muga silkworm Muga silkworm rear in out door on tree actress Bhumi. Muga silkworm has a shiny golden tint, which improves as it ages or as it is obtained semi-domesticated!

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