The potential of <i>Myopopone castanea</i> (Hymenoptera: Formicidae) as a predator for <i>Oryctes rhinoceros</i> Linn. larvae (Coleoptera: Scarabaeidae)

Widihastuty,; Tobing, Maryani Cyccu; Marheni,; Kuswardani, Retna Astuti

doi:10.1088/1742-6596/1116/5/052074

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…Myopopone castanea is one of the biological agents (predators) that consume O. rhinoceros larvae (Widihastuty et al, 2018;Susanti et al, 2017). Wilson (1971) states that these ants are abundant in forests, temperate areas, and the tropics.…”

Section: Introductionmentioning

confidence: 99%

Investigation the Potential of Myopopone castanea Smith (Hymenoptera: Formicidae) as Bio-Agent of Oryctes rhinoceros (Coleoptera: Scarabaediae) in Oil Palm Plantations

Widihastuty,

Tobing,

Utami

et al. 2024

Planta Tropika

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The Myopopone castanea Smith (Hymenoptera: Formicidae) is a predator of Oryctes rhinoceros Linn larvae, the main pest on oil palm plantations. These predatory ants have potential as biological agents because they have similar niches to their prey. This research aimed to explore the presence and potential of M. castanea as bio-agents in oil palm plantations and obtain knowledge about the abiotic environment of Myopopone castanea ant nests. The research was conducted in oil palm plantations owned by PTPN 4 Adolina, PTPN 2 Pagar Merbau, and smallholder oil palm plantations in Binjai, North Sumatra Province. Sampling was conducted using the purposive sampling method and as many as 10 sample points in each plantation. The results showed that the average temperature and humidity in the ant nests were 29.4 °C and 70.5%, respectively. The number of individual ants in a colony varied greatly in number and developmental stages. The predation potential of Myopopone castanea ants in the field reached 50.3% for five days of exposure in smallholder plantations and 46,9% in Adolina Plantation. This research could be the opportunity to use Myopopone castanea ants as a biological control for larvae Oryctes rhinoceros in oil palm plantations.

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Section: Introductionmentioning

confidence: 99%

Investigation the Potential of Myopopone castanea Smith (Hymenoptera: Formicidae) as Bio-Agent of Oryctes rhinoceros (Coleoptera: Scarabaediae) in Oil Palm Plantations

Widihastuty,

Tobing,

Utami

et al. 2024

Planta Tropika

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“…In addition to vertebrate insectivores, certain groups of arthropod insectivores, particularly ants, are also expected to have a significant role in trophic cascades. Although they have been extensively studied as natural enemies and biological control agents (Mestre et al, 2012; Philpott & Armbrecht, 2006; Rosumek et al, 2009; Schifani et al, 2020; Tobing & Kuswardani, 2018), their importance as key predators remains uncertain both in tropical and temperate forests (Pérez-Espona, 2021; Sanders & van Veen, 2011; Thurman et al, 2019) and various other habitats (Blaise et al, 2021; Bulgarini et al, 2021; Ohyama et al, 2020; Tuma et al, 2020). The ambiguity persists because only a limited number of studies have aimed to exclude ants whilst also considering vertebrate predators.…”

Section: Introductionmentioning

confidence: 99%

Insectivorous birds and bats outperform ants in the top-down regulation of arthropods across strata of a Japanese temperate forest

Sivault,

Kollross,

Jorge

et al. 2023

Preprint

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Birds, bats, and ants are recognized as significant arthropod predators. However, empirical studies reveal inconsistent trends in their relative roles in top-down control across strata. Here, we describe the differences between forest strata in the separate effects of birds, bats, and ants on arthropod communities and their cascading effects on plant damage.We implemented a factorial design to exclude vertebrates and ants in both the canopy and understory. Additionally, we separately excluded birds and bats from the understory using diurnal and nocturnal exclosures. At the end of the experiments, we collected all arthropods and assessed herbivory damage.Arthropods responded similarly to predator exclusion across forest strata, with a density increase of 81% on trees without vertebrates and 53% without both vertebrates and ants. Additionally, bird exclusion alone led to an 89% increase in arthropod density, while bat exclusion resulted in a 63% increase. Herbivory increased by 42% when vertebrates were excluded and by 35% when both vertebrates and ants were excluded. Bird exclusion alone increased herbivory damage by 28%, while the exclusion of bats showed a detectable but non-significant increase (by 22%). In contrast, ant exclusion had no significant effect on arthropod density or herbivory damage across strata.Our results reveal that the effects of birds and bats on arthropod density and herbivory damage are similar between the forest canopy and understory in this temperate forest. In addition, ants were not found to be significant predators in our system. Furthermore, birds, bats, and ants appeared to exhibit antagonistic relationships in influencing arthropod density. These findings highlight, unprecedentedly, the equal importance of birds and bats in maintaining ecological balance across different strata of a temperate forest.

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The presence of Myopopone castanea Smith (Hymenoptera: Formicidae) as a predator in oil palm plantations

Widihastuty,

Tobing,

Lisnawita

2024

IOP Conf. Ser.: Earth Environ. Sci.

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One of the predators of the immature horn beetle, Oryctes rhinoceros, is Myopopone castanea. These predators have the same ecological niche as O. rhinoceros at its juvenile stage in oil palm plantations. Opportunities to carry out biological management of the O. rhinoceros and improve agricultural sustainability in oil palm fields arise from niche similarities between predators and prey. This study aimed to quantify the abiotic environment in ant nests and investigate the existence of M. castanea ants in oil palm farms. Oil palm plantations on peat soils and mineral soils with 20 sample points each were surveyed and explored as part of this study. The findings indicated that starting at 20 sample points on. The findings indicated that whereas 10 colonies of M. castanea ants were discovered in oil palm plantations on mineral soils, there were none identified in 20 sampling points on oil palm plantations on peat soil. The average temperature, humidity, and pH of the M. castanea ant colony were 29.1 0C, 6.27, and 71.4%, respectively. There is a considerable difference in the pH indicator between marginal land and peat land, but not in the temperature or humidity.

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The potential of Myopopone castanea (Hymenoptera: Formicidae) as a predator for Oryctes rhinoceros Linn. larvae (Coleoptera: Scarabaeidae)

Cited by 3 publications

References 6 publications

Investigation the Potential of Myopopone castanea Smith (Hymenoptera: Formicidae) as Bio-Agent of Oryctes rhinoceros (Coleoptera: Scarabaediae) in Oil Palm Plantations

Investigation the Potential of Myopopone castanea Smith (Hymenoptera: Formicidae) as Bio-Agent of Oryctes rhinoceros (Coleoptera: Scarabaediae) in Oil Palm Plantations

Insectivorous birds and bats outperform ants in the top-down regulation of arthropods across strata of a Japanese temperate forest

The presence of Myopopone castanea Smith (Hymenoptera: Formicidae) as a predator in oil palm plantations

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