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Life table parameters and digestive physiology of Aulacophora lewisii Baly (Coleoptera: Chrysomelidae) on three Luffa acutangula (L.) Roxb. (Cucurbitaceae) cultivars

Published online by Cambridge University Press:  05 January 2024

Susmita Das ,
Sanoj Kumbhakar ,
Rahul Debnath  and
Anandamay Barik Open the ORCID record for Anandamay Barik [Opens in a new window]
Susmita Das
Affiliation:
Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan – 713 104, West Bengal, India
Sanoj Kumbhakar
Affiliation:
Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan – 713 104, West Bengal, India
Rahul Debnath
Affiliation:
Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan – 713 104, West Bengal, India
Anandamay Barik*
Affiliation:
Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan – 713 104, West Bengal, India
*
Corresponding author: Anandamay Barik; Email: anandamaybarik@yahoo.co.in
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Abstract

Aulacophora lewisii Baly (Coleoptera: Chrysomelidae) is an important pest of Luffa acutangula (L.) Roxb. (Cucurbitaceae) in India. Larvae of A. lewisii feed on the roots, while adults consume leaves of L. acutangula. In the current study, effects of three L. acutangula cultivars (Abhiskar, Debsundari, and Jaipur Long) on the life table parameters by age-stage, two-sex approach, and key digestive enzymatic activities (amylolytic, proteolytic, and lipolytic) of the larvae and adults of A. lewisii were determined. Further, nutrients (total carbohydrates, proteins, lipids, amino acids, and nitrogen content) and antinutrients (total phenols, flavonols, and tannins) present in the roots and leaves of three cultivars were estimated. The development time (egg to adult emergence) was fastest and slowest on Jaipur Long (31.80 days) and Abhiskar (40.91 days), respectively. Fecundity was highest and lowest on Jaipur Long (279.91 eggs) and Abhiskar (137.18 eggs), respectively. The intrinsic rate of increase (r) was lowest on Abhiskar (0.0511 day−1) and highest on Jaipur Long (0.0872 day−1). The net reproductive rate (R0) was lowest on Abhiskar (23.32 offspring female−1). The mean generation time (T) was shortest on Jaipur Long (52.59 days) and longest on Abhiskar (61.58 days). The amylolytic, proteolytic, and lipolytic activities of larvae and adults of A. lewisii were highest and lowest on Jaipur Long and Abhiskar, respectively. The lower level of nutrients and higher level of antinutrients influenced higher larval development time and lower fecundity of A. lewisii on Abhiskar than other cultivars. Our results suggest that Abhiskar cultivar could be promoted for cultivation.

Keywords

biologydigestive enzymesleaf and root biochemicalspopulation dynamicsridge gourd cultivars
Type
Research Paper
Information
Bulletin of Entomological Research , Volume 114 , Issue 1 , February 2024 , pp. 134 - 148
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Copyright © The Author(s), 2024. Published by Cambridge University Press

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