Madras Agricultural Journal
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Research Article | Open Access | Peer Review

BIONOMICS OF SORGHUM EARHEAD BUG, CALOCORIS ANGUSTATUS LETHIERRY

Volume : 74
Issue: Apr-may
Pages: 186 - 192
Published: September 22, 2023
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Abstract


iology of earhead bug Calocoris angustatus Lethierry was studied during July to August 1984 and April to May 1985. The preoviposition period, oviposition period, day of highest egg laying, total number of eggs laid, egg period. Total lite Period an sex ratio during the first and second seasons being 2.70, 11, 7th day, 129, 10, 6.63, 33.06. 1,275 and 3.17. 6. 5th day 99.09 5,57, 24.37, 1: 1.50 respectively. The females lived longer than males irrespective of the rearing seasons.

DOI
Pages
186 - 192
Creative Commons
Copyright
© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

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