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VOL. 11, ISSUE 1 (2026)
A comparative analysis of rearing performance of Eri Silkworm (Samia ricini) across diverse micro-climates in Garo Hills, Meghalaya
Authors
Maleeva Patricia Ch Sangma, Dipankar Dutta
Abstract
Ericulture, a vital "Ahimsa" silk
industry in India, faces productivity challenges in the Garo Hills of Meghalaya
due to fluctuating environmental conditions and a lack of region-specific
scientific standards. This study investigates the rearing performance of Samia
ricini across five sites—Gajingpara, Horinkata, Dobu, Agalgre, and
Gondenggre—to determine the impact of temperature and humidity on larval and
cocoon parameters. Results indicate that average temperature is a primary
driver for cocoon weight (r = +0.79), with the highest weight (3.55g)
recorded at 30˚C. Conversely, relative humidity exerts a profound non-linear
influence on the shell ratio (r = +0.74), which spiked to 30.8% at 95%
humidity in Dobu. While higher temperatures favor biomass, they show a weak
negative correlation with hatching rates (r = -0.29). The study
concludes that maintaining a high-humidity micro-climate (85–95%) is essential
for maximizing silk shell yield, providing a framework for sustainable
ericulture in the subtropical monsoon climate of the Garo Hills.
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Pages:561-564
How to cite this article:
Maleeva Patricia Ch Sangma, Dipankar Dutta "A comparative analysis of rearing performance of Eri Silkworm (<i>Samia ricini</i>) across diverse micro-climates in Garo Hills, Meghalaya". International Journal of Entomology Research, Vol 11, Issue 1, 2026, Pages 561-564
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