Parasitisation of brinjal shoot and fruit borer, <i>Leucinodes orbonalis</i> Guenée by <i>Trathala flavoorbitalis</i> Cameron

Ranjith, M.; Nelson, S. Jeyarajan; Sithanantham, S.; Hegde, Dinesh Rajaram

doi:10.5958/0974-4541.2020.00017.x

Cited by 4 publications

(13 citation statements)

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“…Trathala flavoorbitalis is known to have numerous hosts belonging to Lepidoptera (Gelechoidea, Noctuoidea, Pyraloidea, Tineoidea and Tortricoidea) (Rousse and Villemant, 2012) and has been reported as a noticeable parasitoid of Maruca vitrata (F.) from India (Gupta et al, 2013). The parasitism of T.flavoorbitalis in the Indian eggplant fields varies from 3.57-9.06% in Bihar (Malik et al 1988) up to 40% in Karnataka (Ranjith et al, 2020). Trathala flavoorbitalis has a variable colour pattern, mostly orange (appears brown in the dried specimens).…”

Section: Resultsmentioning

confidence: 99%

“…Trathala flavoorbitalis, with type locality from India (Deesa) was originally described as Tarytia flavo-orbitalis (Cameron, 1907). This is a well-known parasitoid of L. orbonalis and has been documented from Bihar, Tamil Nadu and Karnataka, respectively (Malik et al, 1988;Yasodha and Natarajan, 2006;Murali et al, 2017;Ranjith et al, 2020). This parasitoid species is well distributed globally and is known from the Afrotropical, Australasian, Eastern Palaearctic, Nearctic, Oceanic, and Oriental regions; quite widespread through Indo-Pacific and Eastern Oriental region (Rousse and Villemant, 2012).…”

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confidence: 95%

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Parasites of Leucinodes orbonalis Guenee from Manipur

Thokchom

Gupta

Akoijam

et al. 2022

ije

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Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 95%

Parasites of Leucinodes orbonalis Guenee from Manipur

Thokchom

Gupta

Akoijam

et al. 2022

ije

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“…The population census of E. kamerunicus in the observation area was carried out by taking six samples of male anthesis inflorescences from the sex ratio census. The observation of the population of E. kamerunicus was carried out at 09:00 am or earlier because at that time the activity of the weevils on the average was still on the male inflorescences, whereas in the afternoon, after 10:00 am there would be many weevils flying toward the female inflorescences [9]. For each inflorescence sample, the number of E. kamerunicus weevils present in each spikelet was counted (3).…”

Section: Population Of Elaeidobius Kamerunicusmentioning

confidence: 99%

Fruitset quality of oil palm fresh fruit bunch over eight years in acid sulphate soil, Central Kalimantan

Lubis,

Mailisa,

Taufiq

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The low-quality fruitset of oil palm fresh fruit bunch (FFB) has occurred in 2014 in the acid sulphate soil of PT Kalimantan Sawit Abadi, Central Kalimantan. It was known that the FFB quality has a very low percentage of fruitset about 17.4% on January 2014. The objective is to examine the historical quality of oil palm FFB fruitset for more than eight years (2014 – 2022) on acid sulphate soil and the factors that influenced it. Routine observations were conducted monthly with the variables fruitset value, number of male inflorescence anthesis (MI), and population of Elaeidobius kamerunicus. The data was carried out in a historical descriptive analysis (paired T comparison test). For eight years, the trend of fruitset quality in the observation sites has increased. The fruitset value on September 2022 reached 57% and was significantly different compared to 2014. It was known that the population of E. kamerunicus/ha significantly increased in the same period. The number of MI/ha each year tends to decrease (R2 = 0.151) with changes in plant age, ie. 5 – 13 years. Plant age development had a strong Pearson correlation (0.945) with the FFB quality.

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“…To adopt an environmentally friendly strategy for controlling pests, it is imperative to protect and preserve the natural predators and parasitoids that naturally keep pest populations in check. Among the 21 parasitoids reported in relation to BSFB, one of the most prominent parasitoids is Trathala flavoorbitalis (Cameron, 1907) (Hymenoptera: Ichneumonidae) ( Ranjith et al, 2020 ). This parasitoid exhibits a notable parasitism rate of 61.70% ( Srinivasan, 2008 ).…”

Section: Introductionmentioning

confidence: 99%

“…Trathala flavoorbitalis , a widely recognized parasitoid of L. orbonalis , has been observed in different regions of India, especially Bihar, Tamil Nadu, Manipur and Karnataka ( Mallik et al, 1989 ; Yasodha & Natarajan, 2009 ; Murali et al, 2017 ; Ranjith et al, 2020 ; Thokchom et al, 2022 ). This parasitoid species has a cosmopolitan distribution, and is known from the Afrotropical, Autralasian, Eastern Palaearctic, Indomalayan, Nearctic, and Oceanic regions ( Rousse & Villemant, 2012 ).…”

Section: Introductionmentioning

confidence: 99%

First record of Apanteles hemara (N.) on Leucinodes orbonalis Guenée and biodiversity of Hymenoptera parasitoids on Brinjal

Saleh,

Al-Khalaf,

Alwaili

et al. 2024

PeerJ

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The brinjal fruit and shoot borer (BFSB), Leucinodes orbonalis Guenée (Lepidoptera: Crambidae), is a very detrimental pest that causes significant economic losses to brinjal crop worldwide. Infested brinjal fruits were collected from vegetable fields located at the ICAR-Indian Agricultural Research Institute (ICAR-IARI), New Delhi, India, during two consecutive seasons (2021–2022). The larvae of the pest were brought to the laboratory and reared under controlled conditions of 25 ± 0.5 °C and 70 ± 5% relative humidity, for the emergence of parasitoids. In addition, the survey of Hymenoptera parasitoids in brinjal was conducted utilizing a sweep net and yellow pan trap over the course of two seasons. The results reveal that five parasitoid species were emerged from L. orbonalis viz., Apanteles hemara Nixon, 1965, Bracon greeni Ashmead 1896 (Hymenoptera: Braconidae), Goryphus nursei (Cameron, 1907), Trathala flavoorbitalis (Cameron, 1907) (Hymenoptera: Ichneumonidae) and Spalangia gemina Boucek 1963 (Hymenoptera: Spalangiidae). Out of these, A. hemara and S. gemina were documented as new occurrences in Delhi. Additionally, A. hemara was recorded for the first time as a parasite on L. orbonalis. Trathala flavoorbitalis was observed during both seasons and exhibited higher parasitism reaching 15.55% and 18.46% in July and August 2022, respectively. However, the average parasitism (%) recorded by A. hemara, B. greeni, G. nursei, T. flavoorbitalis and S. gemina was 3.10%, 1.76%, 1.10%, 9.28% and 1.20% respectively. Furthermore, the findings showed a significant (p ≤ 0.01) strongly positive correlation between fruit infestation (%) by L. orbonalis and parasitism (%). The survey indicates the presence of a broad group (19 families and 60 species) of Hymenoptera parasitoids in the brinjal crop ecosystem in Delhi which could be valuable in biological control. In light of these results, this study revealed that A. hemara and other parasitoids identified in this study alongside T. flavoorbitalis would be ideal biocontrol agents within the integrated pest management (IPM) program of BFSB in Delhi.

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Parasitisation of brinjal shoot and fruit borer, Leucinodes orbonalis Guenée by Trathala flavoorbitalis Cameron

Cited by 4 publications

References 0 publications

Parasites of Leucinodes orbonalis Guenee from Manipur

Parasites of Leucinodes orbonalis Guenee from Manipur

Fruitset quality of oil palm fresh fruit bunch over eight years in acid sulphate soil, Central Kalimantan

First record of Apanteles hemara (N.) on Leucinodes orbonalis Guenée and biodiversity of Hymenoptera parasitoids on Brinjal

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