worm feeds on 15 host plants, which are distributed in 11 states, and this germplasm are maintained at the Regional Muga Research Station, Boko, Assam. There is differential preference for the different varieties of castor by S.c. ricini . There are several secondary host plants also viz., tapioca (Manihot esculenta), Barpat (Ailanthus grandis Baiu. The non-mulberry silkworms are eri (Samia ricini), Muga (Antheraea assama), temperate tasar (Antherara myllita) and tropical tasar (Antherara proylei). Host Plants of Eri Silkworm . Keywords: Eri silkworm, ERR (%), larval growth, mating duration Introduction Eri silkworm, Samia ricini Donovan, (Lepidoptera: Saturniidae) is a domesticated non mulberry silkworm and polyphagous in nature. Eri Host Plants. They will be a couple of days behind all the way through their life cycle. Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. The silkworm is reared feeding primarily the leaves of castor and kesseru plant. Eri host plant. This process results in a silk called Ahimsa silk. What are the secondary food plants of eri silkworms? Which are the primary food plants of eri silkworm? Since non-mulberry silkworms are polyphagous in nature, thus on the basis of host plant preference the host plants can be classified as primary, secondary and tertiary. Eri silkworm, Samia ricini is a polyphagous insect feeds primarily on castor (Ricinus communis Linn.). Eri-silkworm, Samia cynthia recini B. is a multivoltine and polyphgous insect feeding on diversified host plants among which castor is a primary host plant. is primary food plants of Eri silkworm and commonly distributed in this region.However, Kesseru (Heteropanas fragrans Roxb.) Therefore eri silkworm and its host plants offer an excellent example of multiple product crops and of sustainable agricultural practice with excellent opportunity for economic and nutritional benefits. Influence of new host plants on. The eri silkworm mainly feeds on castor, kesseru, tapioca and bar kesseru and payam. Another type of eri silk is "Ailanthus silk moth", refers to the host plant, Borkesseu, Ailanthus excelsa, practiced in China. Host plants of eri silkworm Eri silkworm (Samia ricini) is a multivoltine and polyphagous species, which feeds on diversified host leaves. The common of host plants belong to families Euphorbiaceae, Araliaceae, Apocynaceae and Simaroubaceae. Influence of new host plants on larval duration and total life cycle of Eri silkworm during (Nov–Dec and Jan-Feb ). preferred host plants for eri silkworm followed by Manihot utilissima, Heteropanas fragrance, Curica papaya, Evodia falxinifolia, Jatropha curcas etc, are secondary and territory host [3]. ), Barkesseru (Ailanthus excelsa Roxb), Payam (cHook.) However, Kesseru (Heteropanax fragrans Seem) is considered as another major perennial food plant. Eri group comprises of Eri (Samia ricini Donovan and Samia Cynthia) is widely available.Besides this wild silkworms like Attacus atlas and Cricula species are distributed in this region. The woolly white silk is often referred to as the fabric of peace when it is processed without killing the silkworm. Castor (Ricinus communis L) and Kesseru (Heteropanax fragrans Roxb.) which are used for rearing of eri silkworms during the scarcity of primary host plants. is an important oil seed crop widely grown in rain fed conditions and its foliage The germplasm of eri silkworm food plants are maintained at the Regional Eri Research Station, Mendi- the density of host plants in mountainous area, the eri silkworm rearing was proposed for other parts of the country where the host plants were sufficient and the farmers have skills also with indigenous knowledge on sericulture. Eri silk is also known as endi or errandi in India. 3. etc. The other secondary host plants which are used during Reported the superiority of castor among the different host plants. Castor (Ricinus communis Linn.) are the primary food plants of eri silkworm. Ricinus communis L ) and Kesseru ( Heteropanax fragrans Roxb. ) Kesseru plant processed without killing the is! 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