Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)

An outbreak of the cutworm Mythimna venalba (Moore) had caused a huge loss to rice farmers in 2011 in Peninsular Malaysia. This is due to the late identification of the larvae, which appears to be one of the rice pests. This study presents the morphological descriptions of immature stages of M. v...

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Main Authors: Nur Athiqah Md Yusof, Nur Azura Adam, Marina Roseli
Format: Article
Language:English
Published: Pusat Sistematik Serangga, Universiti Kebangsaan Malaysia 2021
Online Access:http://journalarticle.ukm.my/18992/
http://journalarticle.ukm.my/18992/1/46078-173404-1-PB.pdf
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author Nur Athiqah Md Yusof,
Nur Azura Adam,
Marina Roseli,
author_facet Nur Athiqah Md Yusof,
Nur Azura Adam,
Marina Roseli,
author_sort Nur Athiqah Md Yusof,
building UKM Institutional Repository
collection Online Access
description An outbreak of the cutworm Mythimna venalba (Moore) had caused a huge loss to rice farmers in 2011 in Peninsular Malaysia. This is due to the late identification of the larvae, which appears to be one of the rice pests. This study presents the morphological descriptions of immature stages of M. venalba including the larval chaetotaxy in detail. The larvae of M. venalba were collected from several rice fields in Peninsular Malaysia, and they were reared and maintained in the laboratory to establish a colony. Ten specimens of egg, larva, pupa and adult from the colony were selected and observed for morphological descriptions and larval chaetotaxy. The external morphology of the eggs, larvae, pupae, and adults was described and illustrated. Important taxonomic structures of the larvae were discussed. The absence of G2 seta in the cranial chaetotaxy and the L1 seta situated just slightly anterior to SD1 on the A9 segment of the abdominal chaetotaxy are good characters to distinguish M. venalba from other Mythimna species.
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spelling oai:generic.eprints.org:189922022-07-20T06:26:45Z http://journalarticle.ukm.my/18992/ Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae) Nur Athiqah Md Yusof, Nur Azura Adam, Marina Roseli, An outbreak of the cutworm Mythimna venalba (Moore) had caused a huge loss to rice farmers in 2011 in Peninsular Malaysia. This is due to the late identification of the larvae, which appears to be one of the rice pests. This study presents the morphological descriptions of immature stages of M. venalba including the larval chaetotaxy in detail. The larvae of M. venalba were collected from several rice fields in Peninsular Malaysia, and they were reared and maintained in the laboratory to establish a colony. Ten specimens of egg, larva, pupa and adult from the colony were selected and observed for morphological descriptions and larval chaetotaxy. The external morphology of the eggs, larvae, pupae, and adults was described and illustrated. Important taxonomic structures of the larvae were discussed. The absence of G2 seta in the cranial chaetotaxy and the L1 seta situated just slightly anterior to SD1 on the A9 segment of the abdominal chaetotaxy are good characters to distinguish M. venalba from other Mythimna species. Pusat Sistematik Serangga, Universiti Kebangsaan Malaysia 2021 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/18992/1/46078-173404-1-PB.pdf Nur Athiqah Md Yusof, and Nur Azura Adam, and Marina Roseli, (2021) Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae). Serangga, 26 (4). pp. 189-205. ISSN 1394-5130 https://ejournal.ukm.my/serangga/issue/view/1448/showToc
spellingShingle Nur Athiqah Md Yusof,
Nur Azura Adam,
Marina Roseli,
Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title_full Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title_fullStr Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title_full_unstemmed Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title_short Descriptions of immature stages of Mythimna venalba (Moore) (Lepidoptera: Noctuidae)
title_sort descriptions of immature stages of mythimna venalba (moore) (lepidoptera: noctuidae)
url http://journalarticle.ukm.my/18992/
http://journalarticle.ukm.my/18992/
http://journalarticle.ukm.my/18992/1/46078-173404-1-PB.pdf