Title Samia cynthia versus Bombyx mori : ... Samia cynthia, a wild silkmoth, belongs to the family Saturniidae which is . influences the growth and development of silkworm and overall silk production [5]. Media in category "Samia ricini" The following 3 files are in this category, out of 3 total. Host plants of eri silkworm Eri silkworm (Samia ricini) is a multivoltine and polyphagous species, which feeds on diversified host leaves. oak silkworm (Antheraea pernyi Guérin-Meneville), the Indian tropical tasar silkworm (Antheraea mylitta Drury), the Japanese oak silkworm (Antheraea yamamai Guérin-Meneville), and the eri silkworm (Samia cynthia ricini Donovan). 23-Indian-Insect-Life - Harold Maxwell-Lefroy - Attacus-ricini.jpg 1,720 × 2,477; 3 MB Species in the Saturniidae family produce an especially wide variety of cocoons, for example, large, … Gene expression analysis in the larval silk gland of the eri silkworm Samia ricini Insect Sci. Pradeep AR(1), Jingade AH, Singh CK, Awasthi AK, Kumar V, Rao GC, Prakash NB. Eri culture is mostly confined to the Brahmaputra valley in the tribal-inhabited districts. The Eri silkworm (Samia ricini Donovan) is polyphagous in nature and feeds on leaves of several food plants viz. The culture is practiced to meet the partial need of warm clothing. It is purely a traditional and a leisure time occupation. It was observed that castor is better than borpat leaves for rearing of eri silkworm during spring and autumn season in Assam. Studies have been attempted to recycle the sericin waste from mulberry Bombyx mori sericulture to develop value-added products in the biomedical, pharmaceutical, cosmetic, and food industries. Although gene expression in the silk gland of the domestic silkworm (Bombyx mori L.) has been extensively studied, considerably fewer investigations have focused on members of the saturniid family. silkworm, Samia ricini (Donovan). It is multivoltine in nature and reared in indoor conditions. Eri culture is an age old agro-based small scale industry of the region. Eri silkworm, Samia ricini (Donovan) is multivoltine and has several broods in a year. It is believed to have originated in Table 1 Information of the studied insects Sl. Gauhati university. Junior Research Fellow Name of project: AIB-5012SI Inter and Intra specific hybridization for improvement of Eri silkworm, Samia ricini (Donovan) (CSB funded project) Educational Qualification: 1st class MSc in Life Sciences / Agriculture with specialization in genetics and breeding (preferably) [7]. Moreover, eri pupae are popular as delicacy among the tribal people of this region. Samia cynthia ricini Boisduval, 1854. Samia cynthia ricini (Lepidoptera:Saturniidae), the Indian eri silkworm, contributes significantly to the production of commercial silk and is widely distributed in the Brahmaputra river valley in North-Eastern India. Eri silkworm, Samia cynthia ricini Boisduval was reared using eight castor cultivars viz., DCH-519, 48-1, DCS-9, GCH-4, DCH-177, GAUCH-1, JC-12 and Bangalore local. Samia cynthia, the ailanthus silkmoth, is a saturniid moth, used to produce silk fabric but not as domesticated as the silkworm, Bombyx mori.The moth has very large wings of 113–125 mm (4.4–4.9 in), with a quarter-moon shaped spot on both the upper and lower wings, whitish and yellow stripes and brown background. The eri-silkworm, S. c. ricini, belongs to the lepidopteran family Bombycidae and is a good model organism for biochemistry research (Kimura et al., 2004, Asai et al., 2011). Chowdhary, S.N., 2006. Around 1.32 lakhs families of Assam are involved in eri culture. It is also practised in few districts of the neighbouring states, mainly Meghalaya, Nagaland, Manipur, Mizoram and Arunachal Pradesh. Sen, R., Ahsan, M., Datta,R.K. Among the commercially exploited non-mulberry silkworms, the eri silkworm, Samia ricini Donovan is the only species domesticated completely and adapted to [4]. It ranks second among all the food plant of eri silkworm Samia ricini (Donovan) next to castor. It is perennial in nature and is widely distributed in the North Eastern States of India, both in wild and cultivated condition. Sakar, B.N. Samia cynthia ricini (Family: Saturniidae) is commonly called as the Indian eri silkworm. Here, we established expression sequence tags from the silk gland of the eri silkworm ( Samia ricini ), a saturniid species, and used these to analyze gene expression. Silk production based on these moths, especially B. mori, A. pernyi and S. cynthia ricini, plays an economically The common of host plants belong to families Euphorbiaceae, Araliaceae, Apocynaceae and Simaroubaceae. India is one of the world principal producers of castor seed. In our previous research, DNJ had a positive impact on reverse glycometabolism by modulating glycometabolism and inhibiting glucogenesis and energy metabolism ( Deng et al., 2015 , Wen et al., 2016 ). Genetic analysis of scattered populations of the Indian eri silkworm, Samia cynthia ricini Donovan: Differentiation of subpopulations. the eri silkworm Samia ricini (Donovan). ABSTRACT. Here, we established expression sequence tags from the silk gland of the eri silkworm (Samia ricini), a saturniid species, and used these to analyze gene expression. Eri silk is produced by Samia cynthia ricini). Castor (Ricinus communis L.) belonging to the family Euphorbiaceae is an annual or perennial herb which is being utilized as a primary host/food plant by the mul-tivoltine sericigenous insect Samia ricini Donovan (eri silkworm). Eri silkworm feeds primarily on Castor leaves (Ricinus communis Linn). The other secondary host plants which are used during scarcity of primary host plants are borpat, barkesseru, tapioca, payam, gulanch, papaya, etc. Abstract. S. cynthia has a reduced chromosome number, ranging from 2n=25 to 2n=28 and is about half that of Bombyx mori. The Saturniidae member eri-silkworm (Samia cynthia ricini) also produces silk that is commercially-available. It belongs to the order Lepidoptera and is a commercial silk-producing insect (Vijayan et al. GROWTH AND ECONOMIC PARAMETERS OF ERI SILKWORM REARING FED ON DIFFERENT VARIETIES OF CASTOR LEAVES A Case study of Bhergaon Sub-Division, Udalguri, BTAD, Assam… Kesseru (Heteropanax fragrans, Seem) belongs to Ginseng family Araliaceae. India is the only country in the world, producing all the viz- eri, muga, mulberry, tropical tasar and temperate tasar. Samia cynthia ricini (Lepidoptera:Saturniidae), the Indian eri silkworm, contributes significantly to the production of commercial silk and is widely distributed in the Brahmaputra river valley in North-Eastern India. Abstract: The eggshell of the eri moth, Samia ricini (Donovan) (Lepidoptera: Saturniidae) was investigated by scanning electron microscopy. INTRODUCTION Eri silkworm, Samia ricini (Donovan) is a multivoltine insect and largely reared by the farmers of North Eastern India, particularly in Assam. At the species level, A. pernyi and B. mori showed high levels of genetic diversity, whereas S. cynthia ricini showed low level of genetic diversity. S. ricini silkworms are utilized for the production of silk with unique thermal properties. 1. The eri silkworms fed on leaves of GAUCH -1 cultivar showed marked variation with respect to larval weight and larval duration of chawki worms. 2016 Dec;23(6):791-804. doi: 10.1111/1744-7917.12251. Ph D thesis. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Deforestation and exploitation has led to the fragmentation of habitats and scattering of populations of the economically important eri silkworm, Samia cynthia ricini, in north-east India. The surface of the egg chorion of eri moth, revealed the structural elements viz., the micropylar rosette surrounding the micropyle, micropylar canals, shell imprints, aeropyles and the regional differentiation at the different poles. Eri sericulture. Kesseru leaves are coarse and fibrous. Silk sericin is a family of water-soluble proteins extracted from the silkworm cocoon. Mulberry silk is produced on large scale throughout the country. Castor plant belongs to the family Euphorbiaceae and is a primary food plant of eri silkworm. 5 closest to the family Bombycidae including B. mori. Epub 2015 Oct 22. Castor (Ricinus communis), Tapioca (Manihot esculenta), Barara (Jatropha curcas), and Papaya (Carica papaya). 2006). 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