Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies

Morphological and host–plant relationship studies were conducted to differentiate two sympatric populations of brown planthopper (BPH), Nilaparvata lugens, one from rice (Oryza sativa) and the other from Leersia hexandra, a weed grass. In morphometric studies based on esterase activities, an UPGMA d...

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Main Authors: Latif, Mohammad Abdul, Mohd Yosoh, Omar, Yusop, Mohd Rafii, Malek, Mohammad Abdul, Tan, Soon Guan
Format: Article
Language:English
Published: Elsevier 2013
Online Access:http://psasir.upm.edu.my/id/eprint/28049/1/28049.pdf
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author Latif, Mohammad Abdul
Mohd Yosoh, Omar
Yusop, Mohd Rafii
Malek, Mohammad Abdul
Tan, Soon Guan
author_facet Latif, Mohammad Abdul
Mohd Yosoh, Omar
Yusop, Mohd Rafii
Malek, Mohammad Abdul
Tan, Soon Guan
author_sort Latif, Mohammad Abdul
collection UPM
description Morphological and host–plant relationship studies were conducted to differentiate two sympatric populations of brown planthopper (BPH), Nilaparvata lugens, one from rice (Oryza sativa) and the other from Leersia hexandra, a weed grass. In morphometric studies based on esterase activities, an UPGMA dendrogram using 17 quantitative morphological characters, including stridulatory organs (courtship signal-producing organs) between two sympatric populations of N. lugens, one from rice and the other from L. hexandra, a weed grass revealed that both populations were separated from each other. An out-group, N. bakeri, was found to be completely different from the two sympatric populations of N. lugens. Rice plants were best suited for the establishment of the rice-infesting population, and L. hexandra was a favourable host for the Leersia-infesting population. The individuals derived from one host did not thrive on the other host, as shown by a significant reduction in survival and nymphal development, ovipositional preferences, ovipositional response, and egg hatchability. Therefore, morphological and host–plant relationship studies indicate that rice-associated population with high esterase activities and L. heaxandra-associated population with low esterase activities are two closely related sibling species.
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spelling upm.eprints-280492016-04-25T07:11:32Z http://psasir.upm.edu.my/id/eprint/28049/ Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies Latif, Mohammad Abdul Mohd Yosoh, Omar Yusop, Mohd Rafii Malek, Mohammad Abdul Tan, Soon Guan Morphological and host–plant relationship studies were conducted to differentiate two sympatric populations of brown planthopper (BPH), Nilaparvata lugens, one from rice (Oryza sativa) and the other from Leersia hexandra, a weed grass. In morphometric studies based on esterase activities, an UPGMA dendrogram using 17 quantitative morphological characters, including stridulatory organs (courtship signal-producing organs) between two sympatric populations of N. lugens, one from rice and the other from L. hexandra, a weed grass revealed that both populations were separated from each other. An out-group, N. bakeri, was found to be completely different from the two sympatric populations of N. lugens. Rice plants were best suited for the establishment of the rice-infesting population, and L. hexandra was a favourable host for the Leersia-infesting population. The individuals derived from one host did not thrive on the other host, as shown by a significant reduction in survival and nymphal development, ovipositional preferences, ovipositional response, and egg hatchability. Therefore, morphological and host–plant relationship studies indicate that rice-associated population with high esterase activities and L. heaxandra-associated population with low esterase activities are two closely related sibling species. Elsevier 2013-07 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/28049/1/28049.pdf Latif, Mohammad Abdul and Mohd Yosoh, Omar and Yusop, Mohd Rafii and Malek, Mohammad Abdul and Tan, Soon Guan (2013) Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies. Comptes Rendus Biologies, 336 (7). pp. 354-363. ISSN 1631-0691; ESSN: 1768-3238 http://www.sciencedirect.com/science/article/pii/S1631069113001030 10.1016/j.crvi.2013.06.006
spellingShingle Latif, Mohammad Abdul
Mohd Yosoh, Omar
Yusop, Mohd Rafii
Malek, Mohammad Abdul
Tan, Soon Guan
Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title_full Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title_fullStr Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title_full_unstemmed Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title_short Evidence of sibling species between two host-associated populations of brown planthopper, N. lugens (stål) (Homoptera: Delphacidea) complex based on morphology and host–plant relationship studies
title_sort evidence of sibling species between two host associated populations of brown planthopper n lugens stal homoptera delphacidea complex based on morphology and host plant relationship studies
url http://psasir.upm.edu.my/id/eprint/28049/1/28049.pdf
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